{ "ok": true, "domain": "tno.nl", "generated_at": "2026-08-09T15:56:28-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 91, "label": "Excellent", "categories": { "dns": 100, "mail": 90, "security": 88, "network": 55, "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": 10, "lost_points": 0, "detail": "1 IPv6 address(es) detected." }, { "category": "dns", "title": "Name server redundancy", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "3 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": 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": "115 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": 23, "lost_points": 12, "detail": "6 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": 35, "lost_points": 0, "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. 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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": "115 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": "6 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 23, "lost_points": 12 }, { "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": "ok", "title": "IPv6 connectivity", "detail": "AAAA availability.", "category": "network", "max_points": 35, "earned_points": 35, "lost_points": 0 }, { "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": [ "185.38.232.132" ], "AAAA": [ "2a02:720:9:8::132" ], "CNAME": [], "MX": [ "0 tno-nl.a-v1.mx.microsoft." ], "TXT": [ "\"z2jvTv6Cy5+WSeZKyaObruGU1eXGdI/GpmyJyAv+S2voAHgo2+cv363rgaDoQNolJmZCK5FRRiBOC0sh78s9TA==\"", "\"MS=ms21821455\"", "\"apple-domain-verification=v8VSiA3iMAB6KQn8\"", "\"MS=ms18810256\"", "\"d9cd26988af347cb93c4d161db489f91\"", "\"successfactors-site-verification=Y2EzYmM4NGExMDVjYjNlZjI4OWU4ODk3ZjczODEwN2NhY2M3NGYxNmExNTZkNmZkZjhjODg2NWVlN2ViM2Y0Zg==\"", "\"mailerlite-domain-verification=d89ffcafc5215adf55d0348e0d2b0f665f67e011\"", "\"google-site-verification=hFByZyehxslzfa1Yupu_NxxzCgZgYOkPsU1hL0WGU9w\"", "\"v=spf1 ip4:134.221.1.0/24 ip4:46.31.48.0/21 ip4:84.241.159.211 ip6:2001:1690:23:332:10:77:32:16 include:spf.protection.outlook.com include:_spf.iprox.nl include:_spf-dc55.sapsf.eu include:_spf.emply.com -all\"", "\"atlassian-domain-verification=UrlzMKwSK3LT205ZfQtOTggDQySX1vtD7sSaNShd9MzLpEjX/12tz/LaruchZc6o\"", "\"msfpkey=lrhg46wbj7sx27x8cxhzo6q\"" ], "NS": [ "app-dns02.tno.nl.", "ns1.surfnet.nl.", "app-dns01.tno.nl." ], "SOA": [ "app-dns01.tno.nl. beheer-tno-netwerk.tno.nl. 2020022382 10800 1080 2419200 900" ], "CAA": [ "0 issue \"amazon.com\"", "0 issue \"digicert.com\"", "0 issuewild \"globalsign.com\"", "0 issuewild \"harica.gr\"", "0 issue \"letsencrypt.org\"", "0 issue \"harica.gr\"", "0 issue \"globalsign.com\"", "0 iodef \"mailto:beheer-tno-netwerk@tno.nl\"" ], "DS": [ "49157 8 2 545184A0A0197A11D863EBA062693E32FDC1E6C597BB3863FBAC09DC 6A959149" ], "DNSKEY": [ "257 3 8 AwEAAd/dPQmaPvRNP0Onbnxbm8zx49DD4+8waaaWbLjRRmNkIq/Wd2gP YIMvgjVW3Ri9Tm8g0PJVHDsljmgTybeD4/Mhf2ooxckHWChVJb23d9J/ W9NWRxtXbq/3+kRmP7r/DAbf4Q+seokg5mK81eXY7KxHX/YA67d4AtKr HG//5T1p/h6FPimZtRJxeGaFFo8KbKPtAq9MGMIUpO6bz5tPqIn7ZDTU zCeWmAQ/vusYGmZhRwR5s+qi+SByl+5CeY0ckYmzIRLGzFhUxjfOA47a i9sltHm91k6mzvAuuzpQgFZuT3UL1qUtdCtUGt36FTTJM/91yvG1p0fP l43z0HN1n8M=", "256 3 8 AwEAAeIoZUUMwc6ox6T+wFCRViDcw3X2i/Ftfa8bJpMj9pqwDKm3hY0/ v5ieb2VGhb9ye3pkZBsnQb1CbnIZvpk9zA7yyH6QcwirSMSFtw6gOyQm 7QTvUaO6hKBWw21/MFUFGU4qOOCb7IHTIrw2bSMWVcmivjERu1wQ+NoV Z0Uo/3gl", "256 3 8 AwEAAeJXFuUsB6lvcjD7HkFxgKYMzxVq9ZKUwc09r670Gz3jbNhhpGlz ATi9Posct7h5mIKwPoXhOVHU/cyQkh2JgQ7k2ZgY1YhUCcZDA8qpZDcy 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