{ "ok": true, "domain": "survio.com", "generated_at": "2026-08-09T23:50:35-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 80, "label": "Good", "categories": { "dns": 75, "mail": 90, "security": 73, "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": "2 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": "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": 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": "83 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": 8, "lost_points": 27, "detail": "2 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: static.105.43.13.49.clients.your-server.de" }, { "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/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": "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": "2 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": "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": "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": "83 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": "2 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 8, "lost_points": 27 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: static.105.43.13.49.clients.your-server.de", "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/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": [ "49.13.43.105" ], "AAAA": [], "CNAME": [], "MX": [ "10 aspmx2.googlemail.com.", "5 alt2.aspmx.l.google.com.", "5 alt1.aspmx.l.google.com.", "10 aspmx3.googlemail.com.", "1 aspmx.l.google.com." ], "TXT": [ "\"MS=ms10778589\"", "\"lemlist-verif=256d7efc\"", "\"facebook-domain-verification=z1u4i7iwsvvf9noniq39l9so2cfu6n\"", "\"google-site-verification=6cU_vQ-wV4QuiiJLxCeurWTjfxs297bE3y5tpPvfW9U\"", "\"google-site-verification=_XYMk42RKvY8i7XTIpoykwx3l7d5VOiejIvAaSU6arg\"", "\"v=spf1 ip4:159.183.72.168 ip4:149.72.221.245 ip4:167.89.88.244 ip4:168.245.94.44 include:mailgun.org include:amazonses.com include:_spf.google.com -all\"", "\"MS=ms75620259\"" ], "NS": [ "gail.ns.cloudflare.com.", "guy.ns.cloudflare.com." ], "SOA": [ "gail.ns.cloudflare.com. dns.cloudflare.com. 2411481254 10000 2400 604800 1800" ], "CAA": [ "0 issue \"digicert.com\"", "0 iodef \"mailto:ssl@survio.cz\"", "0 issue \"letsencrypt.org\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "49.13.43.105" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:159.183.72.168 ip4:149.72.221.245 ip4:167.89.88.244 ip4:168.245.94.44 include:mailgun.org include:amazonses.com include:_spf.google.com -all", "dmarc": "v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:kalvoda@survio.com; ruf=mailto:kalvoda@survio.com; adkim=r; aspf=r; ri=86400; fo=0;", "dkim_selector": "google", "dkim_host": "google._domainkey.survio.com", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuvfBLDzUfvvsPhaHrHj3pIWiFugPFRQdwsJKqiz5M56+rq65g+tHI3LliVc8a9F72D3uylryg9GKveeizS/f5s6vUv9Kxu6T9nqbG9qp/lbnCKj59XsT4kMLmd5NWh1zi8JmA41L7xFJDMQ5rNzCB/A7fSPSnGO/8Nss0/Yu3tzuDJyK85+GOLydPPCzPpdrw0VTOJCWvvFLTCwMKeU5GV0EJ1JyCkz439nBUvL/INl+rPkUBHyZqA4vJoN31/m7OZD84BSk0CUQ3DD5VKXeS/Eu6eTNmYxbBpZx2yWzkwvfrDEVBlDL8D1pI+/e21xP7gwB9t05+yPk3/fXksgPkwIDAQAB", "spf_analysis": { "valid": true, "lookups": 3, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "static.105.43.13.49.clients.your-server.de", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "49.13.43.105" ], "time_ms": 75.37 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "49.13.43.105" ], "time_ms": 20.66 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "49.13.43.105" ], "time_ms": 27.02 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "49.13.43.105" ], "time_ms": 78.58 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "49.13.43.105" ], "time_ms": 63.13 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "*.survio.com", "valid_from": "2026-08-03T02:35:52-05:00", "valid_to": "2026-11-01T01:35:51-06:00", "days_remaining": 83, "san": [ "*.survio.com", "survio.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.survio.com/en/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Mon, 10 Aug 2026 04:50:25 GMT", "content-type": "text/html; charset=UTF-8", "content-length": "162", "location": "/en/", "x-frame-options": "SAMEORIGIN", "strict-transport-security": "max-age=31536000; includeSubDomains", "cache-control": "max-age=0, must-revalidate, private", "vary": "Accept-Encoding", "expires": "Mon, 10 Aug 2026 04:50:25 GMT" }, "security_checks": { "strict-transport-security": true, "content-security-policy": false, "x-content-type-options": false, "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": "", "powered_by": "" }, "webpage": { "url": "https://www.survio.com/en/", "title": "Create Free Online Surveys | Easy Survey Maker | Survio®", "description": "Build and publish online surveys, view results with survey software tool that comes with amazing customer service! Get your free account now.", "success": true, "error": "", "status": 200 }, "network": { "49.13.43.105": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "aspmx2.googlemail.com", "ports": [ { "port": 25, "open": false, "time_ms": 0.8, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4009.8, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021, "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": 120.37 }