{ "ok": true, "domain": "www.gov.hk", "generated_at": "2026-08-10T06:36:33-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 80, "label": "Good", "categories": { "dns": 95, "mail": 50, "security": 81, "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": "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": 0, "lost_points": 20, "detail": "0 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": 0, "lost_points": 20, "detail": "No tested DKIM selector responded." }, { "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": "30 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": 16, "lost_points": 19, "detail": "4 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. 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": "ok", "title": "IPv6 (AAAA)", "detail": "1 IPv6 address(es) detected.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "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": "error", "title": "MX records", "detail": "0 MX record(s).", "category": "mail", "max_points": 20, "earned_points": 0, "lost_points": 20 }, { "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": "error", "title": "DKIM", "detail": "No tested DKIM selector responded.", "category": "mail", "max_points": 20, "earned_points": 0, "lost_points": 20 }, { "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": "30 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": "4 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 16, "lost_points": 19 }, { "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": [ "43.159.109.162" ], "AAAA": [ "240d:c010:74:1::f9" ], "CNAME": [], "MX": [], "TXT": [ "\"v=spf1 ~all\"" ], "NS": [ "pdns83.ultradns.biz.", "pdns83.ultradns.org.", "pdns83.ultradns.com.", "pdns83.ultradns.net." ], "SOA": [ "ns01.scig.gov.hk. hostmaster.cis.gov.hk. 2022031304 300 300 300 300" ], "CAA": [], "DS": [ "2371 13 2 AA37E9560B8093D6F89D112CD64C4CBDBC0038B72E515C0383A0231F CCEB0171", "41764 13 2 53D72BA7C42FEFF5E1CF4D24D908D07052BBDD1304832CFD20B3D5C7 05BD7444", "34628 13 2 B45D7BB9BA0D1C4522B5DA6FB0D2673A7C6A0CA79F6EEC9F9DF173DE 8A59419D" ], "DNSKEY": [ "256 3 13 0NGq4hPC2w21KtGPNv2dqMI105NoFbu4n5Dv+aMTifxKbmaeVAiw09wJ +33HnlaJjymqxqOkBh2+NLw+ELo9bw==", "257 3 13 Xo+I8Y2FOCa7axqCUHaF+55aN3bVyocgF52GILXySLEy9Rg43CbU2UMa Hy5Pinq5ig3x7dSryMOc+XWd7vQW2w==" ], "RRSIG": [ "DNSKEY 13 3 86400 20260823002948 20260809002948 34628 www.gov.hk. p2SyZtAnPVfrWp57URiFB5aNHOOqyhjDLmrJR0v31UmcHzFO3p2NfoOh MJy0pKE3E2MRZwK/DmiF2kBPK6bmkg==", "SOA 13 3 300 20260823002948 20260809002948 38923 www.gov.hk. M7GSeumzHSOSe9XSph+xUWK4lP/eBMrB4VzlxyYpkV+Y1i3CF25WxZ1Q sIp0SxPcP/x7wwPLa8kP7nY6tOvTGA==", "NS 13 3 300 20260823002948 20260809002948 38923 www.gov.hk. 5rZE3d+yucnKTzjS1K707daCzaFfqGVu3TQ1teZNwgCleZotnsKirVgO Um5q/pFWesfpMkRFzsthFGzTZUWJCg==", "TXT 13 3 300 20260823002948 20260809002948 38923 www.gov.hk. oLYFtPFlKsWWKFf2RhKImlgT2pthzv+EWAv5cSZYgPENcdYyKCvIqlpZ RT0a90nXGgNKAx+dSKP7XxpEI6+lqg==", "DS 8 3 28800 20260908202653 20260809192653 20529 gov.hk. rOKudkO4N08S8q2BDCYZZ5nA4qRVI3Sz4uc/1XPd2EB6ApcPN69egU4u b9S56Y4pQOp5zRJX5vT/ttZK3xGzqAjLl54/G7m7E2bjpHx0xfHPQ7Q3 Gn2942vk2622GHD28etutqcwVYC/J6PNL3v8AEcLe1BDdGfXwH7FIKJU m40=" ], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "43.159.109.162" ], "ipv6": [ "240d:c010:74:1::f9" ] }, "mail": { "spf": "v=spf1 ~all", "dmarc": "v=DMARC1; p=reject;", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 0, "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": [ "43.159.109.162" ], "time_ms": 49.8 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "43.159.109.162" ], "time_ms": 73.73 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "43.159.109.162" ], "time_ms": 37.82 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "43.159.109.162" ], "time_ms": 28.15 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "43.159.109.162" ], "time_ms": 405.32 } ] } }, "ssl": { "available": true, "issuer": "Hongkong Post", "subject": "www.gov.hk", "valid_from": "2025-09-09T21:19:33-05:00", "valid_to": "2026-09-09T21:19:33-05:00", "days_remaining": 30, "san": [ "www.gov.hk", "www.mcor.swd.gov.hk", "mcor.swd.gov.hk", "www.hketolondon.gov.hk", "hketolondon.gov.hk", "www.hkatc.gov.hk", "hkatc.gov.hk", "www.budget.gov.hk", "budget.gov.hk", "www.isd.gov.hk", "isd.gov.hk", "www.policyaddress.gov.hk", "policyaddress.gov.hk", "www.yearbook.gov.hk", "yearbook.gov.hk", "www.hkwelcomesu.gov.hk", "hkwelcomesu.gov.hk", "www.hepatitis.gov.hk", "hepatitis.gov.hk", "www.povertyrelief.gov.hk", "povertyrelief.gov.hk", "theme.gov.hk", "www.personalised.gov.hk", "personalised.gov.hk", "www.cybersecurity.hk", "cybersecurity.hk", "www.cybersecurity.gov.hk", "cybersecurity.gov.hk", "www.govcert.gov.hk", "govcert.gov.hk", "www.govcert.hk", "govcert.hk", "www.infosec.gov.hk", "infosec.gov.hk", "www.infosec.hk", "infosec.hk" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.gov.hk/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "Apache", "x-frame-options": "SAMEORIGIN", "x-content-type-options": "nosniff", "x-xss-protection": "1; mode=block", "strict-transport-security": "max-age=15552000; includeSubDomains", "expires": "Mon, 10 Aug 2026 12:36:33 GMT", "content-security-policy": "default-src 'self' www.gov.hk ; connect-src 'self' *.one.gov.hk *.search.gov.hk firebase.googleapis.com firebaseinstallations.googleapis.com www.google-analytics.com *.isd.gov.hk ; script-src 'self' www.gov.hk www.map.gov.hk *.isd.gov.hk webcast.info.gov.hk www.news.gov.hk sc.news.gov.hk *.one.gov.hk *.search.gov.hk www.gstatic.com www.googletagmanager.com ; style-src 'self' 'unsafe-inline' ; font-src 'self' ; img-src data: blob: 'self' www.gov.hk theme.gov.hk www.map.gov.hk *.isd.gov.hk webcast.info.gov.hk www.news.gov.hk sc.news.gov.hk *.one.gov.hk www.google-analytics.com ; frame-src 'self' *.chatbot.one.gov.hk *.one.gov.hk ; frame-ancestors 'none'; object-src 'none';", "vary": "User-Agent", "content-type": "text/html; charset=UTF-8", "set-cookie": "SF_cookie_2=8jZ3GCzlcHQUVbXiy3amvDmxSjkxLjP1JB8BE4i0ixg=; path=/; Secure; HttpOnly", "cache-control": "must-revalidate, proxy-revalidate, s-maxage=300", "accept-ranges": "bytes", "date": "Mon, 10 Aug 2026 11:36:32 GMT", "eo-log-uuid": "52449509823103453", "eo-cache-status": "MISS" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "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": "Apache", "powered_by": "" }, "webpage": { "url": "https://www.gov.hk/", "title": "GovHK - one-stop portal of the Hong Kong SAR Government / 香港政府一站通", "description": "GovHK, 香港政府一站通, HKSAR government, hong kong government, hong kong government web site, hong kong government directory, 香港特別行政區政府, 香港政府, 香港政府網站, 香港政府部門網址及電話", "success": true, "error": "", "status": 206 }, "network": { "43.159.109.162": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "www.gov.hk", "ports": [ { "port": 25, "open": false, "time_ms": 0.7, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 22.9, "banner": "", "error": "Network is unreachable" }, { "port": 587, "open": false, "time_ms": 23.1, "banner": "", "error": "Network is unreachable" } ] }, "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": 97.51 }