{ "ok": true, "domain": "trincoll.edu", "generated_at": "2026-08-11T01:20:14-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 86, "label": "Good", "categories": { "dns": 75, "mail": 90, "security": 96, "network": 50, "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": "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": "77 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": 31, "lost_points": 4, "detail": "8 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: korak.cc.trincoll.edu" }, { "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": "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": "77 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": "8 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 31, "lost_points": 4 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: korak.cc.trincoll.edu", "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": "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": [ "192.107.134.10" ], "AAAA": [], "CNAME": [], "MX": [ "20 trincoll-edu.mail.protection.outlook.com." ], "TXT": [ "\"ZOOM_verify_EPy14BMqQXuxFKk-yLUgkQ\"", "\"MS=ms99927757\"", "\"apple-domain-verification=I4rZjJcgnfaJDyMp\"", "\"google-site-verification=NsT2JkNkyBTg29UtyT32FWAWDYIPL7xbX7qwUKGK584\"", "\"zh19i7A7tnx8X5TVf7FPkMx5Gp7EgA0apH4EQoZhCxRSX6B0HIlUsmAOH20zBnKerQvr6DsVJ2DcPE8vx4e1Og==\"", "\"v=spf1 ip4:192.107.134.0/26 ip4:192.31.112.10 ip4:34.194.230.233 ip4:34.230.107.215 include:spf.protection.outlook.com include:_spf.unimarket.com -all\"" ], "NS": [ "ib3.cc.trincoll.edu.", "ib4.cc.trincoll.edu.", "ns1.cen.ct.gov.", "ns2.cen.ct.gov." ], "SOA": [ "ib3.cc.trincoll.edu. postmaster.trincoll.edu. 2008072921 1200 300 2419200 600" ], "CAA": [ "0 issue \"digicert.com\"", "0 issue \"emsign.com\"", "0 issue \"letsencrypt.org\"", "0 issue \"sectigo.com\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "192.107.134.10" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:192.107.134.0/26 ip4:192.31.112.10 ip4:34.194.230.233 ip4:34.230.107.215 include:spf.protection.outlook.com include:_spf.unimarket.com -all", "dmarc": "v=DMARC1; p=none; pct=100; ruf=mailto:chappell-dmarc-fail@mouse.trincoll.edu; rua=mailto:chappell-dmarc@mouse.trincoll.edu; adkim=r; aspf=r; fo=1", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.trincoll.edu", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDqz7OdiClnbnnOKQbGIJ8IX+kIYnKmyYEtHNv/pThaWDHwx47v2v/P8cfktrWapDpwwLVS/EZIfvzLC9CURRj5Wjn9Y8ptnQdyJO1ViBqPpMteeZUbWpN0JZNeqi3+4ioGTRc9i8BiU6RPlPaZcLmZqcjqO1sQ2RXcPO8IRNyJKQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 2, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "korak.cc.trincoll.edu", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "192.107.134.10" ], "time_ms": 34.6 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "192.107.134.10" ], "time_ms": 148.46 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "192.107.134.10" ], "time_ms": 29.1 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "192.107.134.10" ], "time_ms": 30.03 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "192.107.134.10" ], "time_ms": 74.33 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "trincoll.edu", "valid_from": "2026-07-29T04:29:37-05:00", "valid_to": "2026-10-27T04:29:36-05:00", "days_remaining": 77, "san": [ "trincoll.edu" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.trincoll.edu/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "cloudflare", "date": "Tue, 11 Aug 2026 06:20:05 GMT", "content-type": "text/html; charset=UTF-8", "content-length": "178", "location": "https://www.trincoll.edu/", "strict-transport-security": "max-age=5; includeSubDomains", "x-content-type-options": "nosniff", "x-frame-options": "SAMEORIGIN", "x-xss-protection": "1; mode=block;", "link": "; rel=shortlink", "set-cookie": "__cflb=02DiuHvRpVTWdzqruNf1cLSGr2b78DJbvJn9q6afpk5BA; HttpOnly; SameSite=Lax; Path=/; Expires=Wed, 12 Aug 2026 05:20:05 GMT", "x-litespeed-cache": "hit", "cross-origin-embedder-policy": "unsafe-none;", "cross-origin-opener-policy": "same-origin-allow-popups;", "cross-origin-resource-policy": "same-origin;", "permissions-policy": "geolocation=(self), payment=(self)", "referrer-policy": "strict-origin-when-cross-origin", "x-permitted-cross-domain-policies": "none;", "access-control-allow-origin": "https://events.trincoll.edu", "x-turbo-charged-by": "LiteSpeed", "cf-cache-status": "DYNAMIC", "cf-ray": "a29521e7dea5f603-ORD" }, "security_checks": { "strict-transport-security": true, "content-security-policy": false, "x-content-type-options": true, "x-frame-options": true, "referrer-policy": true, "permissions-policy": true, "cross-origin-opener-policy": true, "cross-origin-embedder-policy": true, "cross-origin-resource-policy": true }, "server": "cloudflare", "powered_by": "" }, "webpage": { "url": "https://www.trincoll.edu/", "title": "Welcome to Trinity College | Trinity College", "description": "A highly selective liberal arts college in the heart of Hartford, Connecticut, Trinity prepares students to be leaders unafraid of forging new paths.", "success": true, "error": "", "status": 200 }, "network": { "192.107.134.10": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "trincoll-edu.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 19.9, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4039.6, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.6, "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": 98.85 }