{
    "ok": true,
    "domain": "protonvpn.com",
    "generated_at": "2026-08-09T15:53:35-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 83,
        "label": "Good",
        "categories": {
            "dns": 90,
            "mail": 90,
            "security": 81,
            "network": 20,
            "availability": 100
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "1 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
            },
            {
                "category": "dns",
                "title": "DNSSEC chain",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0,
                "detail": "DS and DNSKEY detected."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "50 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 16,
                "lost_points": 19,
                "detail": "4 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
            },
            {
                "category": "network",
                "title": "IPv6 connectivity",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
                "detail": "AAAA availability."
            },
            {
                "category": "availability",
                "title": "DNS resolution",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0,
                "detail": "At least one address family must resolve."
            },
            {
                "category": "availability",
                "title": "HTTP response",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0,
                "detail": "HTTP/2 200 "
            },
            {
                "category": "availability",
                "title": "HTTPS final URL",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
            }
        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "IPv6 (AAAA)",
                "detail": "0 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "2 NS record(s); 2 or more required.",
                "category": "dns",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SOA record",
                "detail": "Authoritative zone record.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DNSSEC chain",
                "detail": "DS and DNSKEY detected.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "2 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "50 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "4 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 16,
                "lost_points": 19
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "level": "warning",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15
            },
            {
                "level": "error",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "DNS resolution",
                "detail": "At least one address family must resolve.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTP response",
                "detail": "HTTP/2 200 ",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
    "dns": {
        "records": {
            "A": [
                "185.159.159.140"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "20 mail.proton.ch.",
                "10 mail.protonmail.ch."
            ],
            "TXT": [
                "\"google-site-verification=vqdgC8NAfSFpymayhvW2aoDF5u9Lz-hhuCgpYuLyEdM\"",
                "\"v=spf1 include:_spf.protonmail.ch ip4:107.23.2.46 ip4:107.23.2.50 ip4:107.21.28.235 ip4:107.21.36.214 mx ~all\"",
                "\"protonmail-verification=580df9ddb223b67a7aaacbe0ede4b3a0eed69cfe\"",
                "\"ahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d3775bcb2743afd\"",
                "\"yandex-verification: 831cafb939d648de\"",
                "\"google-site-verification=wc6wJiOETCLtTPf9TllNHJsAY_B6PMDilWI4qln0r88\"",
                "\"SNAPCRAFT_IO_VERIFICATION=3c251dac89467a427e6505b905e39fd77ccc3e3c4d53caa52cc8b20952468242\"",
                "\"swisssign-check=CF0JHMTlTDNoES3rrknIRggocffSwqmzMb9X8YbjzK\"",
                "\"google-site-verification=zJeaU04Nk7FDmje2PXvmbjaMR8eXtqCgRkfFi0vZcdY\"",
                "\"brave-ledger-verification=3d2cb691b481b81ea72084c319e2636751f8f551f45e1c2548c5975bd0a745a2\"",
                "\"google-site-verification=JSBw6W2q261qOokl2iU4gWwrTifTldZMOrA-L-0xYJA\""
            ],
            "NS": [
                "nora.ns.cloudflare.com.",
                "mitch.ns.cloudflare.com."
            ],
            "SOA": [
                "mitch.ns.cloudflare.com. dns.cloudflare.com. 2411360125 10000 2400 604800 1800"
            ],
            "CAA": [
                "0 iodef \"mailto:security@protonmail.com\"",
                "0 issue \"digicert.com; cansignhttpexchanges=yes\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"swisssign.com\"",
                "0 issue \"ssl.com\"",
                "0 issue \"swisssign.com\"",
                "0 issuewild \"comodoca.com\"",
                "0 issuewild \"ssl.com\"",
                "0 issue \"comodoca.com\"",
                "0 issuewild \"letsencrypt.org\"",
                "0 issuewild \"digicert.com; cansignhttpexchanges=yes\"",
                "0 issue \"sectigo.com\"",
                "0 issue \"globalsign.com\"",
                "0 issuewild \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issue \"pki.goog; cansignhttpexchanges=yes\""
            ],
            "DS": [
                "2371 13 2 8A329AF5087DCC24924611E9B084DBDF48E5E85FA75B1AAB17F33529 902F8CEE"
            ],
            "DNSKEY": [
                "256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==",
                "257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ=="
            ],
            "RRSIG": [
                "DNSKEY 13 2 3600 20261003201340 20260803201340 2371 protonvpn.com. 4Yp2760Oway66sxs52XpJqc8XFQkjsMIFlNlaRGLYhHT+QFTJVk1vul9 bsOfNqaf195mL45F+fKqHIwSKGAZvA==",
                "NS 13 2 86400 20260810215328 20260808195328 34505 protonvpn.com. /VE/0Os9iJkjSC2tB4Ygek3/j8rwUCYr/CqpS0J8q6c633SiH+TWHeF+ tzJvY8FOdBS6Q1i3tiPX9wEKr+Dm/A==",
                "TXT 13 2 300 20260810215328 20260808195328 34505 protonvpn.com. JyFPo1par0pOS35gokrYplDx5DTIUojsBV9hR1Nqf4psF0EfYUZpRo7A 7hiFVKYCwSUanyx5Lrz7TJriFiahCA==",
                "MX 13 2 300 20260810215328 20260808195328 34505 protonvpn.com. G3AGMj2Dtw7A6zagdoSwG8Z9KjS+rlZCNPJfTHL+orNFaoXcRXnI8tdY mHNmUqay+2BCsFVmHQcCCHnApgBo2Q==",
                "DS 13 2 86400 20260815005018 20260807234018 41446 com. HyKMlumz4fD6UEx1FQolyRYopwbWD/BICuylJZT53booRWTkQVmrlcBl Ry+h8IZk1yrRRMXCw9MkxOWxZNV3Zg==",
                "CAA 13 2 300 20260810215328 20260808195328 34505 protonvpn.com. elJjFKHShS5o4PaHKg68PJoimVGLhxfCdTuBJ/BFZaB/0+vfcxZXhdFq GeBKk9ujgKR8bR3i5Vb3A4CqBvbyTw=="
            ],
            "NSEC": [
                "\\000.protonvpn.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "185.159.159.140"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:_spf.protonmail.ch ip4:107.23.2.46 ip4:107.23.2.50 ip4:107.21.28.235 ip4:107.21.36.214 mx ~all",
        "dmarc": "v=DMARC1; p=quarantine; rua=mailto:vpn@protonmail.com",
        "dkim_selector": "m1",
        "dkim_host": "m1._domainkey.protonvpn.com",
        "dkim": "k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNst6onPpOhFfnDwF9Rb9HZcpSPJSEQBF3aZndH9SnnAiSbQ0q4s1zjIF0n4UTxBWTXYbFFTAScWW3kPFSCBIvGwQz/E3snhxDf6d3uvhm4dwTCMvGQzD/NODP9LknZwNjYQeyILdRqX4dRNlgHfi4qqDGIXB02rUPqefc6dvAIQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "v=BIMI1; l=https://proton.me/images/bimi/proton.svg; a=https://proton.me/images/bimi/proton.pem;",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "185.159.159.140"
                    ],
                    "time_ms": 58.9
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "185.159.159.140"
                    ],
                    "time_ms": 44.56
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "185.159.159.140"
                    ],
                    "time_ms": 39.97
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "185.159.159.140"
                    ],
                    "time_ms": 35.15
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "185.159.159.140"
                    ],
                    "time_ms": 53.16
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "protonmail.com",
        "valid_from": "2026-07-01T08:13:17-05:00",
        "valid_to": "2026-09-29T08:13:16-05:00",
        "days_remaining": 50,
        "san": [
            "account.protonvpn.com",
            "app.protonmail.ch",
            "beta.protonmail.com",
            "mail.protonmail.com",
            "old.protonmail.com",
            "pm.me",
            "protonmail.ch",
            "protonmail.com",
            "protonvpn.com",
            "secure.protonmail.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://protonvpn.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "accept-ranges": "bytes",
            "content-type": "text/html; charset=utf-8",
            "date": "Sun, 09 Aug 2026 20:49:49 GMT",
            "etag": "\"57aa0-658747265f8c0-gzip\"",
            "expires": "0",
            "last-modified": "Fri, 07 Aug 2026 12:50:19 GMT",
            "set-cookie": "Features=VpnHpAndPricingVpnPlusSensibility300726:A; SameSite=lax; Secure; Max-Age=7776000000; Path=/",
            "vary": "Accept-Encoding",
            "x-ab-variant": "A",
            "x-ua-compatible": "IE=Edge",
            "cache-control": "public, max-age=300, s-maxage=300",
            "age": "221",
            "content-security-policy-report-only": "default-src 'self'; media-src 'self'; connect-src 'self' https://vpncdn.protonweb.com https://account.proton.me https://account.protonvpn.com https://telemetry.protonvpn.com *.metrics.convertexperiments.com logs.convertexperiments.com *.convertexperiments.com https://growth.proton.me ; script-src 'self' blob: 'unsafe-eval' 'unsafe-inline' https://vpncdn.protonweb.com; style-src 'self' 'unsafe-inline' https://vpncdn.protonweb.com; font-src 'self' https://vpncdn.protonweb.com; img-src 'self' data: blob: https:; frame-src 'self' data: blob: https://www.youtube-nocookie.com https://www.openstreetmap.org; object-src 'self' data: blob:; child-src 'self' data: blob:; report-uri https://reports.proton.me/reports/csp; frame-ancestors 'self';",
            "x-frame-options": "sameorigin",
            "strict-transport-security": "max-age=31536000; includeSubDomains; preload",
            "x-content-type-options": "nosniff",
            "x-xss-protection": "0",
            "referrer-policy": "strict-origin-when-cross-origin",
            "x-permitted-cross-domain-policies": "none"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://protonvpn.com/",
        "title": "The best VPN for speed and security",
        "description": "Get fast, secure VPN service in 140+ countries. Download our free VPN now — or check out Proton VPN Plus for even more premium features.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "185.159.159.140": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "mail.proton.ch",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 46.4,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.8,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 221.7,
                "banner": "220 mailsubzur1001.protonmail.ch ESMTP Postfix",
                "error": "No connection"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.217.62",
        "reverse": "",
        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
        "user_agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
        "is_bot": true,
        "cloudflare": false
    },
    "analysis_time_ms": 118.01
}