{ "ok": true, "domain": "gmail.com", "generated_at": "2026-08-08T19:28:43-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 87, "label": "Good", "categories": { "dns": 75, "mail": 80, "security": 92, "network": 85, "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": 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": 0, "lost_points": 10, "detail": "Agreement between public resolvers." }, { "category": "mail", "title": "MX records", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "5 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": 5, "lost_points": 0, "detail": "Mail transport policy." }, { "category": "mail", "title": "TLS-RPT", "max_points": 5, "earned_points": 5, "lost_points": 0, "detail": "TLS reporting policy." }, { "category": "security", "title": "Valid TLS certificate", "max_points": 55, "earned_points": 55, "lost_points": 0, "detail": "64 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": 27, "lost_points": 8, "detail": "7 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: pnorda-aq-in-f5.1e100.net" }, { "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": "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": "error", "title": "DNS propagation", "detail": "Agreement between public resolvers.", "category": "dns", "max_points": 10, "earned_points": 0, "lost_points": 10 }, { "level": "ok", "title": "MX records", "detail": "5 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": "ok", "title": "MTA-STS", "detail": "Mail transport policy.", "category": "mail", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "level": "ok", "title": "TLS-RPT", "detail": "TLS reporting policy.", "category": "mail", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "level": "ok", "title": "Valid TLS certificate", "detail": "64 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": "7 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 27, "lost_points": 8 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: pnorda-aq-in-f5.1e100.net", "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": "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": [ "142.251.41.133" ], "AAAA": [ "2607:f8b0:4009:80c::2005" ], "CNAME": [], "MX": [ "40 alt4.gmail-smtp-in.l.google.com.", "30 alt3.gmail-smtp-in.l.google.com.", "10 alt1.gmail-smtp-in.l.google.com.", "5 gmail-smtp-in.l.google.com.", "20 alt2.gmail-smtp-in.l.google.com." ], "TXT": [ "\"globalsign-smime-dv=CDYX+XFHUw2wml6/Gb8+59BsH31KzUr6c1l2BPvqKX8=\"", "\"v=spf1 redirect=_spf.google.com\"", "\"yahoo-verification-key=dKYwfVbaxatmcXiXy6LDAxMRirqpOq5tj98iJv9qWVk=\"", "\"yahoo-verification-key=+eZwIPSgRxkAUzDtqT8Qhk+j4A1JF6V/wtGoyGTkELY=\"" ], "NS": [ "ns2.google.com.", "ns3.google.com.", "ns4.google.com.", "ns1.google.com." ], "SOA": [ "ns1.google.com. dns-admin.google.com. 960819459 900 900 1800 60" ], "CAA": [ "0 issue \"pki.goog\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "142.251.41.133" ], "ipv6": [ "2607:f8b0:4009:80c::2005" ] }, "mail": { "spf": "v=spf1 redirect=_spf.google.com", "dmarc": "v=DMARC1; 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report-to=\"AccountsSignInUi\"", "x-auto-login": "realm=com.google&args=service%3Dmail%26continue%3Dhttps://mail.google.com/mail/u/0/", "link": "; rel=\"canonical\"", "x-ua-compatible": "IE=edge", "reporting-endpoints": "default=\"/v3/signin/_/AccountsSignInUi/web-reports?context=eJwNw1tIk2EABuA19r2FGKgdlAUhUtCC2RqmQlGEhKzNbT__Pk9US9vCgW1z-x0ewiOOsIjKdGEXQSRlUYFERRTdJDXCIjWaZnlTkVhYoVIk1PvAkzZj2J5m1CnbjLrHeY_0-w9_0h_ggfQ5_SD3TL0SfaxdfS26uJcvcd3RN6Ked-aOi30cGhwXUXZUTAg3R3ImRQebiieFmZ-ZUuIF_2pJiYzWlChZTolS3jj9Xhg5OTkjxnit84PI5JUOG3SdNsRX2dHLX0vt-MbaSzuauJ27eWnWjj98z-zAQ74-4cCFLw4MsCm_DGZejpbBoJVhPu7EAt_qd-IuF513YTffue_CCBu-u2BU3NjMW9nEVi7k4W43bvM0f-TgAzciPPrOjSR7cxUc410eBSU8Wq8gydfOKrjBoacKovxjg4pFzshRsZ5_FqpY4oN7VDj5plTxuUbFHP_mFV5XqyKbK4dUHOLYPxVhrwcat3I7h0564Eh40JIp0capLIkZfpstMcVDUmKYYwEJW5PElWYJS1yigOdPSyxwwUWJhucSjdw7JhGoKscJ7nxSjh4-w-c4wZe5fFMFqjlsqkRibyV8f6twxFaNaP-W1W3cxVnpa0b6ZieQcWpxeFSft6M21OAN-PxBLaA1H4-Egpo_6Ktp1OoaA1F_JOaPeK0Wa6Gl2FKQbynyhi3_Ab-y7Y4\"" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "x-frame-options": true, "referrer-policy": false, "permissions-policy": true, "cross-origin-opener-policy": true, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": true }, "server": "ESF", "powered_by": "" }, "webpage": { "url": "https://accounts.google.com/v3/signin/identifier?continue=https%3A%2F%2Fmail.google.com%2Fmail%2Fu%2F0%2F&dsh=S859017860%3A1786235323193185&emr=1&followup=https%3A%2F%2Fmail.google.com%2Fmail%2Fu%2F0%2F&osid=1&passive=1209600&service=mail&flowName=WebLiteSignIn&flowEntry=ServiceLogin&ifkv=Ac50bxtpHkwCGRh_ftDGLSJSwQGFohdFrnBLXGhhKYGQ53uYeUMBjcFAQ5OVVDIVxbit9a_C_xO5", "title": "Gmail", "description": "Gmail is email that’s intuitive, efficient, and useful. 15 GB of storage, less spam, and mobile access.", "success": true, "error": "", "status": 200 }, "network": { "142.251.41.133": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "alt4.gmail-smtp-in.l.google.com", "ports": [ { "port": 25, "open": false, "time_ms": 0.7, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4018.8, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4019.9, "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; 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