{ "ok": true, "domain": "mst.edu", "generated_at": "2026-08-10T13:27:59-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 81, "label": "Good", "categories": { "dns": 85, "mail": 90, "security": 69, "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": 15, "lost_points": 0, "detail": "DS and DNSKEY detected." }, { "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": "202 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: mst-edu-vip.srv.mst.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/1.1 200 OK" }, { "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": "ok", "title": "DNSSEC chain", "detail": "DS and DNSKEY detected.", "category": "dns", "max_points": 15, "earned_points": 15, "lost_points": 0 }, { "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": "202 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: mst-edu-vip.srv.mst.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/1.1 200 OK", "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": [ "131.151.247.2" ], "AAAA": [], "CNAME": [], "MX": [ "10 mst-edu.mail.protection.outlook.com." ], "TXT": [ "\"status-page-domain-verification=r6cdctnxlzx4\"", "\"EE51D6DE8B29EA1C457EF61CA5B69B5D\"", "\"4BAF088F55A27AD6BE794669024D687E\"", "\"FnBnQaeO7ECC0d666iPTVN3EYFby4X97eCEiQ0O8pkhUJ49CuZMWusLyFIwQ+J8SbLdaE5Ac5mqvCNZO4d4wgg==\"", "\"jamf-site-verification=jynkB7tEeMYLo-hCkiPSyQ\"", "\"MS=ms83169736\"", "\"9E3341DF6A7E20C9EA38BFC025B431F8\"", "\"v=spf1 include:_spf1.mst.edu ~all\"", "\"google-site-verification=b3spGym0uGJ64lnb69Pe0dsdtd_nJRp4wNg7iyPghjc\"", "\"google-site-verification=SalOQD1Kug6yylP4HvDES_ZqfOVxrB51R2ndH_679RI\"", "\"atlassian-domain-verification=kxMrkVZyLBMUANaD29eyGsZUrjw8FKjsM2YjMbStqTVjtb0xDWab1k62ZN0bHwW8\"", "\"atlassian-sending-domain-verification=0e01e926-82fa-417d-ad77-f7f41bab57be\"", "\"dW5pdmVy\"", "\"apple-domain-verification=DD1bczjxBdDUulBh\"", "\"e2ma-verification=dbpgb\"", "\"SFMC-GDeGG24LLFjuHgQ4H2jb2tyKFFjKohtluK9k3-fP\"" ], "NS": [ "ns1.umsl.edu.", "ns2.umsl.edu.", "ns-1.mst.edu.", "ns-2.mst.edu." ], "SOA": [ "ns-1.mst.edu. help.mst.edu. 1581779876 900 900 3600000 300" ], "CAA": [], "DS": [ "18691 5 1 DA257C976C988D32C90CD3CDF72A485A1F4DE172", "18691 5 2 915172083B4AAACF5C55E904CDFA783E3D510CC75F6EED3470BE2EEC 742FFCED" ], "DNSKEY": [ "256 3 5 AwEAAb27v11HzQHL1Hbxt6pF5KrelZ05EuJW0Y089Yp5CLM4Vj5akUN2 t0t8ak6Vb7EjHiVAxQFBnDLVdGyPB7kqlFUMj11fJhMaq0ZmqhzW90G6 4Ui4d1J1oML+K8NXIBxvQOMLDZ1uvck9+WTpvT3vVv2jPWhtCBdcLMGF n3WtKOeF", "257 3 5 AwEAAbNCOvWwmdWIezo96GUXOLLM13EPdtLIV0SEUaGavicwXtxpclGH 0TXReA8g89fRdxW0etzO+0HiEM2WEavNasUc1fKj7LGhOMwq57Ozdr+4 rw7hwOcsURynKgoazFTEl4j/saPcvgkRytBbek1m5S1pON8/wgQlEtAj TJhrf9QSPS3OP3dK4NaaxmQK3DDVPVb29hSkEP/LDg13cnl6bQOJddjz kB18mqQm+CHw+KwP3XlQkicUDqcmWjSEBrWVr7+vTdUle1KXdaiNJVz4 WopZDrYLBbX8TeBGrGa/QSu9ouVi3A1AKV4JptID8YMjJAbtQnjvM62l bpZ67h22hb8=" ], "RRSIG": [ "NS 5 2 900 20260909170344 20260810170344 2163 mst.edu. ZVF+NiQ1FqfGwjRzYlaVMw3+yOh1oSWH8X8UF0AesF8DIDwQwt9kq8bx DrbjZx95BDYJEUg8v7Hsaaex5+DNcbFutxl7efaTam1zyPRdhxg3d7DW YapIV5yx/7czbSHuCk2PYedVyNWAhyMTjjDzIrJF5hWqkEAIZuxCVQ9m fYI=", "SOA 5 2 900 20260909170344 20260810170344 2163 mst.edu. gZMIzipvZ3Znu92nXpZ3zPXeoAvw6AnL5tdb6bRVSqPX1serbpWRDU+E d+IcITHrC470rFmnZSB2NKwv+ehOlHS9y59/nd5XkTcYKYVuvdS2sMA8 jzIRB0lEuNInPJxbGR6THKbYr0PrN7/cxRGzCDjdUs6NinDr1NVOJLsj qig=", "MX 5 2 900 20260909170344 20260810170344 2163 mst.edu. hfdcA7/7vdu46ksRQ5FAr/LBbnUtI9k4VQxM6J8pD4bHeO/B90arpMCd IcEslghc49eEZ5/3lKDGx8m97MMz52SOqE1km3XqBA9ybdl4GcuzcuD+ uZYby2rgs0UmMxB5Mwgc/UljRqwdbCyFWl4nuiRaMrTt8yCDRGt4NjMg AR0=", "DS 13 2 86400 20260814033304 20260807022304 6705 edu. LR/6tbVvj9I6BIL4X2u9fVj5gJPFjIyodl6ZC7qL8ZVQWH8b6Sx5VzFn li4Rx2FsDJaj3XK8JSjErCYXDlNeqg==" ], "NSEC": [ "150.mst.edu. A NS SOA MX TXT RRSIG NSEC DNSKEY" ], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "131.151.247.2" ], "ipv6": [] }, "mail": { "spf": "v=spf1 include:_spf1.mst.edu ~all", "dmarc": "v=DMARC1; p=none; pct=100; rua=mailto:dmarc_agg@vali.email,mailto:mudmarc-reports@missouri.edu; aspf=r;", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.mst.edu", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2K/2YTX24FSfo3Gi2BCNSJXwLW+cswH0rCBIp9xEAOy8GGCHtnvueT7VGqIWskeiHmvhpIShbYbreGgGpXhXrKYb7JMtz5peJYY8JleD1XQyFzWDa7oefU0vdZprHMN3p+VLBmkGXvqKCCdHDw+AtUMWutpZRBag6ZzECGKqxeKFBwXOY7TAOSibhTG0XshhBRRMd9u1Wc0Nw2F8t74ubskgG5881IwCck0yWshNnZoEIlM0TISLf5DmjZLylqvgfRWaFoky++umnzAamoVwOLaEuNxAKv/QpvY5sSKoFtltmkbIS3lRr2RJgOUWx2TeCj9fCIRU6bLtg0lwhsy7cQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 1, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "mst-edu-vip.srv.mst.edu", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "131.151.247.2" ], "time_ms": 61.58 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "131.151.247.2" ], "time_ms": 54.59 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "131.151.247.2" ], "time_ms": 85.78 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "131.151.247.2" ], "time_ms": 97.27 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "131.151.247.2" ], "time_ms": 98.45 } ] } }, "ssl": { "available": true, "issuer": "Internet2", "subject": "mst.edu", "valid_from": "2026-02-27T18:00:00-06:00", "valid_to": "2027-02-28T17:59:59-06:00", "days_remaining": 202, "san": [ "mst.edu", "*.apps-dev.mst.edu", "*.apps-test.mst.edu", "*.apps.mst.edu", "*.mst.edu", "*.srv.mst.edu" ], "protocol": "TLSv1.2", "cipher": "ECDHE-RSA-AES128-GCM-SHA256" }, "http": { "url": "https://www.mst.edu/", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "location": "https://www.mst.edu/", "server": "Apache", "connection": "close", "content-length": "614775", "date": "Mon, 10 Aug 2026 18:27:51 GMT", "strict-transport-security": "max-age=19440000;", "last-modified": "Mon, 03 Aug 2026 17:58:55 GMT", "etag": "\"96177-658284ab10a2f\"", "accept-ranges": "bytes", "content-type": "text/html; charset=UTF-8" }, "security_checks": { "strict-transport-security": true, "content-security-policy": false, "x-content-type-options": false, "x-frame-options": false, "referrer-policy": false, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "Apache", "powered_by": "" }, "webpage": { "url": "https://www.mst.edu/", "title": "www.mst.edu –\r\n Missouri University of Science and Technology |\n \r\n Missouri S&T", "description": "Solving For Tomorrow: We have over 100 degree programs in 40 areas of study such as computer science, business, engineering, humanities, and liberal arts. Find your passion at S&T.", "success": true, "error": "", "status": 206 }, "network": { "131.151.247.2": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mst-edu.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 22.3, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4055.4, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.7, "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": 80.07 }