{ "ok": true, "domain": "mssm.edu", "generated_at": "2026-08-10T17:55:17-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 70, "label": "Fair", "categories": { "dns": 70, "mail": 90, "security": 69, "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": "6 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": "10 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": "114 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": 4, "lost_points": 31, "detail": "1 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: loghost.docnet.org" }, { "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/2 403 " }, { "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": "6 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": "10 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": "114 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": "1 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 4, "lost_points": 31 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: loghost.docnet.org", "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/2 403 ", "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": [ "146.203.139.18" ], "AAAA": [], "CNAME": [], "MX": [ "10 smtp-agent06.mountsinai.org.", "10 smtp-agent03.mountsinai.org.", "10 smtp-agent04.mountsinai.org.", "20 smtp-agent14.mountsinai.org.", "20 smtp-agent11.mountsinai.org.", "20 smtp-agent13.mountsinai.org.", "20 smtp-agent12.mountsinai.org.", "10 smtp-agent02.mountsinai.org.", "10 smtp-agent05.mountsinai.org.", "10 smtp-agent01.mountsinai.org." ], "TXT": [ "\"openai-domain-verification=dv-IosIX0WDllcYGTtvDOd8sHR3\"", "\"_globalsign-domain-verification=wEWBhd3NSLCt6-RVBX4nTCPo_8j35nzdUCSMExCUMu\"", "\"atlassian-domain-verification=8GlS7b82cuN4GHqED2n2ojEmhEhTzdTO9JRvBiyiSU0kD3Wgsb097KAP/tdiKrSS\"", "\"3d2pTB1oQoqu5vxTMJz9hoITN8IJXmIusMJDOrmGZYA1b+M122QVOIAQUZ+tbm9hVnbNVEr0eRT13XT+rFMrag==\"", "\"atlassian-domain-verification=2fE7nVV6DfCXSKajwLoZCkMxx7NiPrCqFTujaFVHdu8Vpy4Aua0Gp9PLJinJ2jb2\"", "\"onetrust-domain-verification=b4260c77b78e4f8e9a74a9debd100bcd\"", "\"onetrust-domain-verification=27cea8fe00624e0da38212cd0cef1fac\"", "\"google-site-verification=AdFQ1zL7JKWQ3yXc00sBE3ywexMnY98t2bn308-emeA\"", "\"MS=A008873DD9F8F7AF5C2934539E627C7A61C305FD\"", "\"_globalsign-domain-verification=xTipBh4BDlgFHCLpsdS5IciW-HBA3fBAh3s0rAMj68\"", "\"_globalsign-domain-verification=OHmw2sxUFdntmRaZXh0sDRciS0ug1JgluQaEOvm7ES\"", "\"testrecord\"", "\"google-site-verification=f7hW9C9nDrFDljSNef1UaYzs3XhULjVbLtq5Y-ce_XE\"", "\"v=spf1 ip4:40.84.22.152 ip4:146.203.0.0/16 ip4:159.123.0.0/16 ip4:147.154.0.0/16\" \" include:_spf.google.com include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org include:amazonses.com include:_spf.mlsend.com include:spf.protection.outlook.com ~all\"", "\"sending_domain1015622=acb5d4778028e98693764d5a99c2fc0389058c6f4f89137afe33a8ce62ddd140\"", "\"test101\"", "\"MS=C9A531F98510A5C3FB12D04B540FFB5DBA366EED\"", "\"airtable-verification=f79c329965ec688efb10b5a1c961e750\"", "\"adobe-sign-verification=6e8e9a8422c2e526966b3eb81e85ce17\"", "\"MS=ms82342905\"", "\"913fdhzw5dmyfm1x43djj1kwcjs6rzhr\"", "\"docusign=645431e6-41a4-4665-b9c0-11178b9d1045\"", "\"mn16llht5mststr3gjnhfc17qhl3ms5q\"", "\"SR9SFm2uxCR57pZF9quYcgLKA9+mFChnVBW8M9ps6Wxfs1775TygbvcUKXhc2sRlfvFLiLD+FsnzQ2X8GxVs6A==\"", "\"dell-technologies-domain-verification=mssm.edu_45ab9494-03e0-4e1a-abf7-d58f69b144ec_1707407703\"", "\"include:mh.blackboard.com\"" ], "NS": [ "a9-66.akam.net.", "a1-223.akam.net.", "a4-64.akam.net.", "a8-65.akam.net.", "a18-67.akam.net.", "a11-66.akam.net." ], "SOA": [ "dns04.mountsinai.org. hostmaster.mssm.edu. 2013093498 7200 720 864000 3600" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "146.203.139.18" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:40.84.22.152 ip4:146.203.0.0/16 ip4:159.123.0.0/16 ip4:147.154.0.0/16 include:_spf.google.com include:_spf1.mailgun.org include:_spf2.mailgun.org include:_spf.eu.mailgun.org include:amazonses.com include:_spf.mlsend.com include:spf.protection.outlook.com ~all", "dmarc": "v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.mssm.edu", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCSc9MZPEYegMhUNz4umT/8V9WCyP/dga8Qa3CYuEMTyiuOJ6HTj70QY/pqAgnhtEoMk6iJdn6bq8xr+qjJpOFfNlKdKSmOHNzZefl86By1OXyj+q6fBSq9dA9yKTUizKO37REf+NBi3RoUXCfbqO/8mTd9m9vjo1TfjZCXKleSswIDAQAB;", "spf_analysis": { "valid": true, "lookups": 7, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "loghost.docnet.org", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "146.203.139.18" ], "time_ms": 103.15 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "146.203.139.18" ], "time_ms": 42.39 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "146.203.139.18" ], "time_ms": 64.42 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "146.203.139.18" ], "time_ms": 119.7 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "146.203.139.18" ], "time_ms": 81.58 } ] } }, "ssl": { "available": true, "issuer": "DigiCert Inc", "subject": "*.mssm.edu", "valid_from": "2026-05-18T19:00:00-05:00", "valid_to": "2026-12-02T17:59:59-06:00", "days_remaining": 114, "san": [ "*.mssm.edu", "mssm.edu" ], "protocol": "TLSv1.2", "cipher": "ECDHE-RSA-AES256-GCM-SHA384" }, "http": { "url": "https://icahn.mssm.edu/", "status": "HTTP/2 403 ", "http_version": "3", "headers": { "date": "Mon, 10 Aug 2026 22:55:09 GMT", "server": "AkamaiGHost", "x-frame-options": "SAMEORIGIN", "access-control-allow-headers": "Authorization, X-Requested-With, Content-Type, Accept, Origin", "location": "https://icahn.mssm.edu/", "content-type": "text/html", "mime-version": "1.0", "content-length": "368", "expires": "Mon, 10 Aug 2026 22:55:09 GMT", "akamai-grn": "0.19192117.1786402509.68fae166", "server-timing": "ak_p; desc=\"1786402509170_388045081_1761272166_25_8786_53_9_15\";dur=1" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": false, "x-frame-options": true, "referrer-policy": false, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "AkamaiGHost", "powered_by": "" }, "webpage": { "url": "https://icahn.mssm.edu/", "title": "Icahn School of Medicine at Mount Sinai - New York City | Icahn School of Medicine", "description": "The Icahn School of Medicine at Mount Sinai in New York City is a leader in medical and scientific training, education, research and patient care.", "success": true, "error": "", "status": 206 }, "network": { "146.203.139.18": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "smtp-agent06.mountsinai.org", "ports": [ { "port": 25, "open": false, "time_ms": 0.9, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4020.7, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.9, "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": 85.49 }