{
    "ok": true,
    "domain": "degruyter.com",
    "generated_at": "2026-08-08T21:40:33-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 85,
        "label": "Good",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 84,
            "network": 65,
            "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": "3 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": "4 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": 0,
                "lost_points": 15,
                "detail": "Both DS and DNSKEY are required."
            },
            {
                "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": "1 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": "214 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": 19,
                "lost_points": 16,
                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: ec2-3-123-168-41.eu-central-1.compute.amazonaws.com"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "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": "3 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": "4 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": "error",
                "title": "DNSSEC chain",
                "detail": "Both DS and DNSKEY are required.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 0,
                "lost_points": 15
            },
            {
                "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": "1 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": "214 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": "5 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ec2-3-123-168-41.eu-central-1.compute.amazonaws.com",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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": [
                "3.123.168.41",
                "63.185.74.14",
                "35.156.38.83"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "0 degruyter-com.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"pardot1014162=89fd9aa4b637937ed43fb9775087b9d159cb8297eccb8c909fcd3559ac333fe5\"",
                "\"hj=1941698-28062022\"",
                "\"apple-domain-verification=zE3yfpWsZW3x4Bv\"",
                "\"google-site-verification=tmZVEtiGqSY_dQjMan79BQGysoNiyFbX5xbFjU3Cp7s\"",
                "\"apple-domain-verification=kWvo2lOAXoAI9NjC\"",
                "\"atlassian-domain-verification=ECeVQnNbH9cORlOPX+RR1A8fXEyqUKmNlomSjvhJM4laoVgGH0KCzW0YSTz7Tqqm\"",
                "\"google-site-verification=EtmVhR8-B9Ild0vWnXRig6_6jNS8WlsCGF5ZOykDOfU\"",
                "\"1password-site-verification=3KPKUV4EKFHUFKRKTETBX4Q634\"",
                "\"docusign=f5510ae0-b6c6-4d18-ba87-1b9277d17f91\"",
                "\"sending_domain1090872=b346eb3e659bb3d0dbd9d263975dafde0fbb1da5ed8e64dcfdad4eebe94db20c\"",
                "\"SFMC-YSvRsFYGQf9bCvhLgen-kDwqYFSoS3PKP5eHLMnC\"",
                "\"sending_domain1014162=16c0036faf441702afc14b94e1fb0ee3cacce74d4789284cc67d0d452611dc35\"",
                "\"MS=ms96335304\"",
                "\"HutKILPNIyeQSl3897uBVkBvzUzGntmt0vmlzh1qILAVs3HDW8B13lBvDhiIKoYTDc25xZ1W7VbIJnYISLrCXg==\"",
                "\"MS=61CB4E998F5258CE72948134C2C5ADF19BFC0EF7\"",
                "\"prowly-verification=7c269f015364240884965b030bec4411ff818929c7ff34ee13ad9555e1c8ada3\"",
                "\"atlassian-sending-domain-verification=bda51a85-6b5f-430b-91c0-e35225da05b2\"",
                "\"v=spf1 ip4:46.30.81.128/27 ip4:217.110.58.242 ip4:72.22.165.246 ip4:46.30.84.112/28 ip4:107.21.37.86 ip4:81.223.2.116 ip4:62.214.112.206 include:spf.protection.outlook.com include:spf1.degruyter.com include:spf2.degruyter.com -all\"",
                "\"amazon-business-verification=36f872ac193df43266ab465883054c72c44752ac3f36e71a896b49b7dfe79dc2\""
            ],
            "NS": [
                "ns-1691.awsdns-19.co.uk.",
                "ns-211.awsdns-26.com.",
                "ns-986.awsdns-59.net.",
                "ns-1049.awsdns-03.org."
            ],
            "SOA": [
                "ns-1049.awsdns-03.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [
                "0 issue \"amazon.com\"",
                "0 issuewild \"digicert.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"amazon.com\"",
                "0 issue \"sectigo.com\"",
                "0 issue \"digicert.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "3.123.168.41",
            "63.185.74.14",
            "35.156.38.83"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:46.30.81.128/27 ip4:217.110.58.242 ip4:72.22.165.246 ip4:46.30.84.112/28 ip4:107.21.37.86 ip4:81.223.2.116 ip4:62.214.112.206 include:spf.protection.outlook.com include:spf1.degruyter.com include:spf2.degruyter.com -all",
        "dmarc": "v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@degruyter.com;ruf=mailto:Office365Alerts@microsoft.com;",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.degruyter.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqJdWhXrREiWon0miY+D208QCrHF+WiEGeHHTIKuNFwyAPZ3ow24aDGQjXsnewJNQNq4ccTLFaGHXfl4CzeYcOtEqFgdODh/53lHnpoifNt5KLFPC/qPCYXveHwn41q+XtUVX6E367HlJHLr2bdrBF229xB7rDEFFtueC1BQouxSd5umAt0l2qI5Iu6CdBJGRTjttdHIgraYLUJeIyrvqNK5idgzqYkV7e3TMABztuijkIPUmwOnZfBUXP9rzzjsnTxDoLFqFfKmdALg63a2UH8aeu5TNQoYfm0/5IPDjNcphNTJngz1c/dl43tWYpDQgy5yyX/aVoAYzUA6Jf8tfQQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ec2-3-123-168-41.eu-central-1.compute.amazonaws.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "3.123.168.41",
                        "35.156.38.83",
                        "63.185.74.14"
                    ],
                    "time_ms": 72.29
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "3.123.168.41",
                        "35.156.38.83",
                        "63.185.74.14"
                    ],
                    "time_ms": 44.69
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "3.123.168.41",
                        "35.156.38.83",
                        "63.185.74.14"
                    ],
                    "time_ms": 39.58
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "3.123.168.41",
                        "35.156.38.83",
                        "63.185.74.14"
                    ],
                    "time_ms": 125.68
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "3.123.168.41",
                        "35.156.38.83",
                        "63.185.74.14"
                    ],
                    "time_ms": 89.02
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Amazon",
        "subject": "degruyter.com",
        "valid_from": "2026-02-09T18:00:00-06:00",
        "valid_to": "2027-03-11T17:59:59-06:00",
        "days_remaining": 214,
        "san": [
            "degruyter.com",
            "*.degruyter.com"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
    },
    "http": {
        "url": "https://www.degruyterbrill.com:443/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "CloudFront",
            "date": "Sun, 09 Aug 2026 02:31:17 GMT",
            "content-type": "text/html; charset=UTF-8",
            "content-length": "118248",
            "location": "https://www.degruyterbrill.com:443/",
            "trace-id": "b62ef15a0a68ee285b2b375e39845b06",
            "cache-control": "public, s-maxage=14400",
            "referrer-policy": "origin-when-cross-origin, strict-origin-when-cross-origin",
            "x-amzn-trace-id": "Root=1-6a77e675-46832ab4359371ef7df552f4;",
            "x-frame-options": "sameorigin",
            "x-xss-protection": "1; mode=block",
            "x-content-type-options": "nosniff",
            "content-security-policy": "frame-ancestors 'self' https://*.degruyterbrill.com; script-src 'nonce-tBK6rJmah1WU/Gnw7aCVLw==' 'strict-dynamic' 'self' 'wasm-unsafe-eval' dgbricks.foxycart.com cdnjs.cloudflare.com www.google-analytics.com connect.liblynx.com www.googletagmanager.com tag.manager.google.com mozilla.github.io cc.cdn.civiccomputing.com www.google.com www.gstatic.com; object-src 'self' www.googletagmanager.com; base-uri 'none'",
            "strict-transport-security": "max-age=31536000",
            "x-permitted-cross-domain-policies": "master-only",
            "vary": "Accept-Encoding",
            "via": "1.1 255e090c34e65128b988daefc6edd12e.cloudfront.net (CloudFront)",
            "alt-svc": "h3=\":443\"; ma=86400",
            "age": "546",
            "x-cache": "Hit from cloudfront",
            "x-amz-cf-pop": "ORD58-P14",
            "x-amz-cf-id": "8EkS9IWM0zIVmg2GkLH5OVST46fafCLPnkHqgHd-FtpAFnnQCMe58Q=="
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "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": "CloudFront",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.degruyterbrill.com:443/",
        "title": "De Gruyter Brill",
        "description": "De Gruyter Brill | Over 300 years of publishing excellence",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "3.123.168.41": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "63.185.74.14": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "35.156.38.83": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "degruyter-com.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 24.3,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4042.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4043.4,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "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": 102.78
}