{ "ok": true, "domain": "zimbra.com", "generated_at": "2026-08-08T19:58:51-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 83, "label": "Good", "categories": { "dns": 85, "mail": 70, "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": "2 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": "2 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": "74 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. 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": "2 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": "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": "2 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": "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": "74 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": [ "23.185.0.2" ], "AAAA": [ "2620:12a:8000::2", "2620:12a:8001::2" ], "CNAME": [], "MX": [ "10 us-smtp-inbound-1.mimecast.com.", "10 us-smtp-inbound-2.mimecast.com." ], "TXT": [ "\"v=spf1 ptr mx ip4:52.7.157.95 ip4:52.70.125.224 ip4:52.204.246.185 ip4:52.205.85.65 ip4:66.64.15.66 ip4:167.89.32.168 ip4:173.227.76.247 ip4:14.141.104.38 ip4:193.122.206.174 ip4:193.122.199.60 ip4:129.213.200.110 ip4:150.136.98.232 ip4:150.136.146.2 ip4:\" \"129.80.213.239 ip4:193.122.157.30 ip4:141.148.3.168 ip4:129.213.104.172 ip4:193.122.141.196/32 ip4:150.136.208.81/32 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:212115.spf01.hubspotemail.net include:4366039.spf01.hubspotemail.ne\" \"t -all\"", "\"cisco-ci-domain-verification=681f562fa07c58c993c8bfde487542cb70b5b5eef7753e423d2ff666ce4f33b5\" \"linkedin-site-verification=ae9a3118-fc72-40a5-9e5a-246a2fda8ebc\" \"0ed1fe018af82aa0df68164d5ebf2117796408d42c\"" ], "NS": [ "dns1.p05.nsone.net.", "dns4.p05.nsone.net.", "dns3.p05.nsone.net.", "dns2.p05.nsone.net." ], "SOA": [ "dns1.p05.nsone.net. hostmaster.nsone.net. 1653325196 3600 600 604800 3600" ], "CAA": [ "0 issue \"digicert.com\"", "0 issue \"pki.goog; cansignhttpexchanges=yes\"", "0 issue \"letsencrypt.org\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "23.185.0.2" ], "ipv6": [ "2620:12a:8000::2", "2620:12a:8001::2" ] }, "mail": { "spf": "v=spf1 ptr mx ip4:52.7.157.95 ip4:52.70.125.224 ip4:52.204.246.185 ip4:52.205.85.65 ip4:66.64.15.66 ip4:167.89.32.168 ip4:173.227.76.247 ip4:14.141.104.38 ip4:193.122.206.174 ip4:193.122.199.60 ip4:129.213.200.110 ip4:150.136.98.232 ip4:150.136.146.2 ip4:129.80.213.239 ip4:193.122.157.30 ip4:141.148.3.168 ip4:129.213.104.172 ip4:193.122.141.196/32 ip4:150.136.208.81/32 include:us._netblocks.mimecast.com include:_spf.salesforce.com include:212115.spf01.hubspotemail.net include:4366039.spf01.hubspotemail.net -all", "dmarc": "v=DMARC1;p=reject;rua=mailto:dmarc@zimbra.com;ruf=mailto:dmarc@zimbra.com;aspf=s;sp=none", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 6, "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": [ "23.185.0.2" ], "time_ms": 73.51 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "23.185.0.2" ], "time_ms": 47.8 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "23.185.0.2" ], "time_ms": 105.37 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "23.185.0.2" ], "time_ms": 48.99 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "23.185.0.2" ], "time_ms": 55.28 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "zimbra.com", "valid_from": "2026-07-23T23:05:58-05:00", "valid_to": "2026-10-21T23:05:57-05:00", "days_remaining": 74, "san": [ "www.zimbra.com", "zimbra.com", "zimbra.pl" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://www.zimbra.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "content-type": "text/html; charset=UTF-8", "location": "https://www.zimbra.com/", "server": "nginx", "x-pantheon-styx-hostname": "styx-us-a-7ffbcf568d-tvbkd", "x-styx-req-id": "e41b728f-9387-11f1-b9c8-c6c9bc9e26e2", "cache-control": "max-age=14400", "date": "Sun, 09 Aug 2026 00:58:47 GMT", "x-served-by": "cache-chi-kmdw8640069-CHI, cache-stl760042-STL, cache-stl760039-STL, cache-stl760039-STL", "x-cache": "HIT, MISS, MISS, MISS", "x-cache-hits": "8, 0, 0, 0", "x-timer": "S1786237127.052089,VS0,VE17", "vary": "Accept-Encoding, Cookie, Cookie", "age": "2398", "accept-ranges": "bytes", "via": "1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish", "content-length": "417699", "access-control-allow-origin": "https://www.zimbra.com", "content-security-policy": "default-src 'self' 'unsafe-inline' 'unsafe-eval' https: data:", "link": "; rel=shortlink", "permissions-policy": "accelerometer=(self), ambient-light-sensor=(self), autoplay=(self), battery=(self), camera=(self), cross-origin-isolated=(self), display-capture=(self), document-domain=(self), encrypted-media=(self), execution-while-not-rendered=(self), execution-while-out-of-viewport=(self), fullscreen=(self), geolocation=(self), gyroscope=(self), keyboard-map=(self), magnetometer=(self), microphone=(self), midi=(self), navigation-override=(self), payment=(self), picture-in-picture=(self), publickey-credentials-get=(self), screen-wake-lock=(self), sync-xhr=(self), usb=(self), web-share=(self), xr-spatial-tracking=(self), clipboard-read=(self), clipboard-write=(self), gamepad=(self), speaker-selection=(self), conversion-measurement=(self), focus-without-user-activation=(self), hid=(self), idle-detection=(self), interest-cohort=(self), serial=(self), sync-script=(self), trust-token-redemption=(self), unload=(self), window-placement=(self), vertical-scroll=(self)", "referrer-policy": "no-referrer-when-downgrade", "x-content-type-options": "nosniff", "x-frame-options": "SAMEORIGIN", "x-xss-protection": "1; mode=block", "strict-transport-security": "max-age=300; includeSubDomains;" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "x-frame-options": true, "referrer-policy": true, "permissions-policy": true, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "nginx", "powered_by": "" }, "webpage": { "url": "https://www.zimbra.com/", "title": "Open Standards | Low-Risk Alternative | Data Sovereignty | Zimbra", "description": "Zimbra: A Cloud-Hosted Collaboration Software and Email Platform That Integrates With Proprietary Business Solutions", "success": true, "error": "", "status": 200 }, "network": { "23.185.0.2": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "us-smtp-inbound-1.mimecast.com", "ports": [ { "port": 25, "open": false, "time_ms": 0.9, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4051, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 28.4, "banner": "220 us-smtp-inbound-1.mimecast.com ESMTP; Sat, 08 Aug 2026 20:58:51 -0400", "error": "No connection" } ] }, "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": 100.03 }