{
    "ok": true,
    "domain": "semrush.com",
    "generated_at": "2026-08-08T18:48:03-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 74,
        "label": "Fair",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 81,
            "network": 50,
            "availability": 60
        },
        "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": "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": "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": "71 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": 30,
                "lost_points": 0,
                "detail": "PTR: 191.45.120.34.bc.googleusercontent.com"
            },
            {
                "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": 0,
                "lost_points": 40,
                "detail": "HTTP/2 405 "
            },
            {
                "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": "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": "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": "71 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": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: 191.45.120.34.bc.googleusercontent.com",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "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": "error",
                "title": "HTTP response",
                "detail": "HTTP/2 405 ",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "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": [
                "34.120.45.191"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 usb-smtp-inbound-2.mimecast.com.",
                "5 usb-smtp-inbound-1.mimecast.com."
            ],
            "TXT": [
                "\"v=spf1 mx include:_spf.google.com include:usb._netblocks.mimecast.com include:spf.mandrillapp.com include:mktomail.com include:_spf.salesforce.com include:mail.zendesk.com include:amazonses.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 \" \"ip4:192.243.55.0/24 ip4:85.208.98.64/32 ip4:198.2.128.158/32 ip4:54.240.126.194/32 ip4:54.240.126.195/32 ip4:54.240.126.196/32 ip4:192.174.84.107/32 ip4:192.174.84.108/30 ip4:192.174.84.112/28 ip4:192.174.84.128/25 ip4:147.253.214.240/30 \" \"ip4:149.72.61.106/32 ip4:149.72.151.35/32 ip4:149.72.201.153/32 ip4:149.72.22.42/32 ip4:149.72.183.8/32 ip4:159.183.141.212/30 -all\"",
                "\"google-site-verification=ZggD_aUD-jtaj118dkluFZgsDIf-_ks6aV8bEI7rOLk\"",
                "\"docker-verification=96c2e5e2-f6cb-4ef3-98b3-3e0c88cfab43\"",
                "\"yahoo-verification-key=c6xMbKDeWtbu6HTBBF+hfB0cTdy1k1q0//OrO4IONm0=\"",
                "\"amazonses:qOSt0psxaU7JhHFJwm60EGwvr2taIB1swqbz/LDhhMk=\"",
                "\"mongodb-site-verification=AvYB5GFdhWjM6oABEmWmeNKnDGdZw0hl\"",
                "\"google-site-verification=viXQHbFKRnb-gic632XSpRZBGEAZAZaSE_zUUNzWvj4\"",
                "\"MS=0276A76DB2EBFBDF6C3C84B6B7E8F807D50FFBA9\"",
                "\"facebook-domain-verification=6zt69ggysiztnc3tk714d886fs3t3s\"",
                "\"google-site-verification=EaFYAaRVwiFSgGCFQ0FlIwlfaz8OJXXvWdDT9u6bbWs\"",
                "\"tiktok-developers-site-verification=WQYHInE4uDcGcn6oOXBXLDoQkaz9crpN\"",
                "\"hubspot-developer-verification=YjMzZDE4ODEtMDllMi00ZDEzLWJlMGYtNDU5ZDMyYmUyYWUy\"",
                "\"google-site-verification=0fi-TYpzPeD1GbaE-XCVBDHbpfciG903iwRs3QSxwd0\"",
                "\"openai-domain-verification=dv-KI6NdhrJwaSBsG2Oy2TM1OQY\"",
                "\"google-site-verification=U4ufyI8TpcTtcB4dNFojdY1Xc1Hbe5ZS4BzoMu_zXQ0\"",
                "\"linear-domain-verification=c6vqwj6z5hy2\"",
                "\"google-site-verification=N92wr1UtG9CBIK7ZKs-RPz5BK6hi5Wnd8IjOAzqy63s\"",
                "\"adobe-idp-site-verification=9e2233e4bee36f8c577772a15f83ea2887da0acd12ee965b777ec700857c2bbb\"",
                "\"miro-verification=06c0c44b44af219ca7a206d9d8c9729d95a46db8\"",
                "\"atlassian-domain-verification=HsXqGyMljRsmEH6YwDOlJeL5RynYoGdbTwkU3nPNRxORfQFJxVHQa2Gu/nlU53EU\"",
                "\"apple-domain-verification=jqXRNmPmTwwTjBYo\"",
                "\"google-site-verification=Snl4HtfqFmAGr_Z35GevldSlWXA3Vy_h9Na6zptePlo\"",
                "\"prowly-verification=7a04bf687fbaa0b022628c145b1a51c1694392949837ac84be1dac8b2a6aa21a\"",
                "\"cursor-domain-verification-abbp7s=jqjNVm6cguLFXE4G9hr8Pv3XP\"",
                "\"MS=ms90185148\"",
                "\"google-site-verification=L5Z3DA9PoR_MHfOgRzgGg-FT9TPRl5yVDccxyW8Movs\"",
                "\"hubspot-developer-verification=YzQ3ZjUyZGItYWIwNS00Y2IyLTlmYTktYmYyMjY0ZGVlMjg4\"",
                "\"tiktok-developers-site-verification=OIJeGky90TNaruXxgQFKwOvo93DmOS5z\"",
                "\"hubspot-developer-verification=NmUwYTUxZmYtMmQzMi00NGNlLTg1NTctZjMxY2M2ZmEyNzBh\"",
                "\"google-site-verification=Jdyk-VWECYqQ7-puXdoLoGp7U629HhAnurYQcRavu90\"",
                "\"notion-domain-verification=PlfMolzbMlXLbWnfFbddmq4ohGB9km6tE9JhovfXVKf\""
            ],
            "NS": [
                "ns-cloud-e1.googledomains.com.",
                "ns-cloud-e4.googledomains.com.",
                "ns-cloud-e2.googledomains.com.",
                "ns-cloud-e3.googledomains.com."
            ],
            "SOA": [
                "ns-cloud-e1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300"
            ],
            "CAA": [
                "0 issue \"globalsign.com\"",
                "0 issue \"pki.goog\"",
                "0 issue \"amazon.com\"",
                "0 issuewild \"pki.goog\"",
                "0 issue \"digicert.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"digicert.com\"",
                "0 issuewild \"comodoca.com\"",
                "0 issuewild \"sectigo.com\"",
                "0 issue \"sectigo.com\"",
                "0 issue \"comodoca.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "34.120.45.191"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 mx include:_spf.google.com include:usb._netblocks.mimecast.com include:spf.mandrillapp.com include:mktomail.com include:_spf.salesforce.com include:mail.zendesk.com include:amazonses.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:192.243.55.0/24 ip4:85.208.98.64/32 ip4:198.2.128.158/32 ip4:54.240.126.194/32 ip4:54.240.126.195/32 ip4:54.240.126.196/32 ip4:192.174.84.107/32 ip4:192.174.84.108/30 ip4:192.174.84.112/28 ip4:192.174.84.128/25 ip4:147.253.214.240/30 ip4:149.72.61.106/32 ip4:149.72.151.35/32 ip4:149.72.201.153/32 ip4:149.72.22.42/32 ip4:149.72.183.8/32 ip4:159.183.141.212/30 -all",
        "dmarc": "v=DMARC1; p=quarantine; pct=100; rua=mailto:xoqtbrm5@ag.us.dmarcian.com, mailto:service_dmarc_reports@semrush.com; ruf=mailto:service_dmarc_reports@semrush.com; adkim=r; aspf=r; fo=1; sp=quarantine;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.semrush.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCScgNlUtwFe0X1gDexvBjygvVnUM0lmBeU/EaBMlk5vl01UXVetdpB6iLIj8eRYu4dhKvUoSACgBxC+UqBiccI9kF7v7dyOgww+9oq3aCIaVQnXBIdPh2B0C01FQNnvlGxksy4kUN4nULcmekbYq6wN/D1yuTPmLO0ZaHHYUx6JwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 8,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "191.45.120.34.bc.googleusercontent.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "34.120.45.191"
                    ],
                    "time_ms": 61.82
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "34.120.45.191"
                    ],
                    "time_ms": 45.43
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "34.120.45.191"
                    ],
                    "time_ms": 46.96
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "34.120.45.191"
                    ],
                    "time_ms": 25.19
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "34.120.45.191"
                    ],
                    "time_ms": 133.21
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Google Trust Services",
        "subject": "*.semrush.com",
        "valid_from": "2026-07-21T00:49:08-05:00",
        "valid_to": "2026-10-19T01:45:02-05:00",
        "days_remaining": 71,
        "san": [
            "*.semrush.com",
            "semrush.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.semrush.com/",
        "status": "HTTP/2 405 ",
        "http_version": "3",
        "headers": {
            "server": "nginx",
            "date": "Sat, 08 Aug 2026 23:47:58 GMT",
            "content-type": "application/json",
            "content-length": "162",
            "location": "https://www.semrush.com/",
            "x-xss-protection": "1; mode=block",
            "x-content-type-options": "nosniff",
            "strict-transport-security": "max-age=31536000; includeSubdomains; preload",
            "x-frame-options": "DENY",
            "sm-log-id": "flb-efcf8536f52a58c75cf9eb38c6fa8e79",
            "set-cookie": "GCLB=\"52f6061155872910\"; Max-Age=86400; Path=/; HttpOnly",
            "via": "1.1 google",
            "alt-svc": "h3=\":443\"; ma=2592000",
            "allow": "GET",
            "cross-origin-opener-policy": "same-origin-allow-popups",
            "x-logging-id": "flb-efcf8536f52a58c75cf9eb38c6fa8e79",
            "x-service-response-time": "0.00718",
            "content-language": "en",
            "x-service": "index",
            "server-timing": "service;dur=7.74378, backend;dur=11.92951",
            "cache-control": "no-store"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": true,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "nginx",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.semrush.com/",
        "title": "Semrush: Your Unfair Advantage for Growing Brand Visibility",
        "description": "Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "34.120.45.191": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "usb-smtp-inbound-2.mimecast.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 30.4,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
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