{ "ok": true, "domain": "merck.com", "generated_at": "2026-08-09T07:11:31-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 79, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 84, "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": "8 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": 0, "lost_points": 5, "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": "47 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": 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": "8 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": "error", "title": "CAA policy", "detail": "Certificate authority restriction.", "category": "dns", "max_points": 5, "earned_points": 0, "lost_points": 5 }, { "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": "47 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": "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": [ "192.0.66.119" ], "AAAA": [], "CNAME": [], "MX": [ "0 msdcloud.mail.protection.outlook.com." ], "TXT": [ 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"\"google-site-verification=fFR6UZDhXRia_VuIGTVOCOlwQzpsndzqs6PubIIOfnk\"", "\"flexera-domain-verification-pjdxpopuhvhasmse\"", "\"0ed1fe018a31147b85218b4de29ec808fd5b4ab1d8\"", "\"mongodb-site-verification=ItgIzlgsIWpv1dzm84x1QzLoYJAlTcvO\"", "\"mongodb-site-verification=I5lG10QLafEXrk8Q2O8Duu84hUOkoLxm\"", "\"smartsheet-site-validation=2XUbLMBJFkkltyH3ngZFOlnIqFv29PvY\"", "\"ehklccfrmqtog011qavchou5oo\"", "\"onetrust-domain-verification=6095750f880442f6a27969ee753b9623\"", "\"rvxhp3tp6ft3s0tm57v4fmnt2x59clpq\"", "\"mongodb-site-verification=EAy8hzGVPrh0smAXi9A0MQ1V7vlwR0L7\"", "\"76dkj9u7598f7503gp8j9thda8\"", "\"onetrust-domain-verification=1478f1a6e1ed4c2c9c099a356b4e1284\"", "\"google-site-verification=Mxpc7VG_3cBpAqm9gE0YjgVs80pVkZs6-mSZTJeDZSM\"", "\"v=DMARC1; p=none; pct=100; rua=mailto:sensehubfeedlot@merck.com\"", "\"8gcvl81vgkbcnq6nz80f12rq0cy438h2\"", "\"extensis-domain-verification=f9447776-1a22-4bda-b0da-16c1a41aea1c\"", "\"00Dfi000002Dskb=1TBa70000000CPN;00Dao00001OXaRP=1TBaZ0000000OQX\"", "\"TNvYRxzRPZ9bp12r3tS8oIWZ7CqmudOjsx7_f2a9UCg\"", "\"smartsheet-site-validation=r3Eb_Uesikv5Y2hbkQapKITHfg03B91p\"", "\"ibmid= 81d5ac3b-53ce-4d24-9062-4057a4045f96\"", "\"mongodb-site-verification=PuKOAIC2peU8LwH9FMFY0YcqPdtcPdXZ\"", "\"autodesk-domain-verification=QidA8UKJFkGFps0q21Ve\"", "\"g4mp7kf92k0pttl4dwpc66sm3y4hhslc\"", "\"00D5f000000JtAy=1TBVm0000000422\"", "\"smartsheet-site-validation=GOXFlXMlgROG9pZt7L1hLFsqtmKsCw3D\"", "\"adobe-idp-site-verification=c9df9d351e2d97fe46b43740c6593677199a0bc21036f69a3e304fb45ba1fdba\"", "\"docker-verification=55bc797b-4c8f-40c0-ac57-17a644048b79\"", "\"remarkable-domain-verification=4b36037e-af38-45a6-a388-0b533e44d530\" \" sprout-social-0b4bc2b6-7907-43f6-a322-f6573e4ff502\"", "\"google-site-verification=k7Tz6dZz7mJa7iQ8I1cqR2Kn_gDRTYoWEMMhcSFyYT4\"", "\"2mjbhlht9j0g3928i2oe5nqi6a\"", "\"00DWK000004QOCT=1TBWK0000000L9J;00DWK000004QOE5=1TBWK0000000L7h;00DWA000004mV8r=1TBWA0000004oe9\"", "\"MS=ms81705768\"", "\"appspace-domain-verification=f5ee13f2c71814a40d6354018ec5f8025ca10f17c08c58927e1491feb4a7d7b8\"", "\"jlvgnenmenn78fup62soefgcph\"" ], "NS": [ "dns1.p03.nsone.net.", "ns01.msddns.com.", "dns4.p03.nsone.net.", "dns3.p03.nsone.net.", "dns2.p03.nsone.net.", "ns02.msddns.com.", "ns03.msddns.com.", "ns04.msddns.com." ], "SOA": [ "dns1.p03.nsone.net. hostmaster.nsone.net. 1743015156 43200 7200 1209600 3600" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "192.0.66.119" ], "ipv6": [] }, "mail": { "spf": "v=spf1 include:spf1.merck.com include:spf2.merck.com ~all", "dmarc": "v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:dcm_rua_reports@merck.com; ruf=mailto:dcm_ruf_reports@merck.com", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.merck.com", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA07QaJud9qdw5HcSW9Z47o7Cns47ZQuY0rH+Gi527tY1S3d7zCO4h0T4rWGJ7sV9rKIJU40O8PfRfFO74pGMd7DEx0s7XBkyedgyhcWd3ZD98gD9sjujE4s0vJ/Nm49jAZl+rC2pqSmdOTV77arEXnDT+lhTUOsHHBgsd2GnGTf34eQESJczfBpoAKaxwyGgQXJXKMEcNlHCi7ajsyLRebDaQTDKIK/BtzvW/uZ+Z8F2aEWpKPRX4NCicpWZtDI+GaX/zMdJtw14OWXQFpVQLSvYsABwedU58UMYN8C41O/G8WQDZzmMQQWu6aVNSqZ+5/we7qG01qtHNRRwtrCNXVQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 2, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "192.0.66.119" ], "time_ms": 46.93 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "192.0.66.119" ], "time_ms": 45.59 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "192.0.66.119" ], "time_ms": 69.76 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "192.0.66.119" ], "time_ms": 53.06 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "192.0.66.119" ], "time_ms": 74.57 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "merck.com", "valid_from": "2026-06-27T08:39:47-05:00", "valid_to": "2026-09-25T08:39:46-05:00", "days_remaining": 47, "san": [ "merck.com", "www.merck.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://www.merck.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "nginx", "date": "Sun, 09 Aug 2026 12:11:23 GMT", "content-type": "text/html; charset=UTF-8", "location": "https://www.merck.com/", "x-rq": "mdw1 0 20 9980", "x-cache": "MISS", "strict-transport-security": "max-age=31536000", "vary": "Accept-Encoding", "referrer-policy": "no-referrer-when-downgrade", "content-security-policy": "script-src 'self' 'unsafe-inline' 'unsafe-eval' https: blob:; style-src 'self' 'unsafe-inline' https:; frame-src 'self' https:; frame-ancestors 'self'; img-src 'self' https: data:; media-src 'self' https: data: blob:; object-src 'none'; font-src 'self' https: data:; default-src 'self' https: wss:; base-uri 'none';", "x-content-type-options": "nosniff", "x-xss-protection": "1; mode=block", "host-header": "a9130478a60e5f9135f765b23f26593b", "x-frame-options": "DENY", "link": "; rel=shortlink", "accept-ranges": "bytes", "cache-control": "max-age=300, must-revalidate" }, "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": "nginx", "powered_by": "" }, "webpage": { "url": "https://www.merck.com/", "title": "Merck | Home", "description": "At Merck, we're following the science to tackle some of the world's greatest health threats. Get a glimpse of how we work to improve lives.", "success": true, "error": "", "status": 200 }, "network": { "192.0.66.119": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "msdcloud.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 26.9, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4044.5, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4036.8, "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": 116.25 }