{ "ok": true, "domain": "dothome.co.kr", "generated_at": "2026-08-09T11:07:48-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 74, "label": "Fair", "categories": { "dns": 70, "mail": 90, "security": 65, "network": 20, "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": "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": 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": 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": "33 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": 0, "lost_points": 35, "detail": "0 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": 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/1.1 200 OK" }, { "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": "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": "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": "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": "33 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": "error", "title": "HTTP security headers", "detail": "0 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 0, "lost_points": 35 }, { "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": "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/1.1 200 OK", "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": [ "112.175.184.126" ], "AAAA": [], "CNAME": [], "MX": [ "10 mail.dothome.co.kr." ], "TXT": [ "\"_globalsign-domain-verification=d3wJdkj7NRGRW9LRIqCUmAufEHYlB7LaNW-GUIfA2l\"", "\"v=spf1 ip4:112.175.184.0/25 ip4:112.175.184.128/26 ip4:223.26.138.0/25 ip4:211.238.13.0/24 ip4:112.175.185.18 ip4:49.238.168.128/25 ip4:220.90.209.160/27 ~all\"" ], "NS": [ "ns1.dothome.co.kr.", "ns11.dothome.co.kr.", "ns3.dothome.co.kr.", "ns2.dothome.co.kr." ], "SOA": [ "ns1.dothome.co.kr. master.dothome.co.kr. 2016122801 7200 1800 691200 3600" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "112.175.184.126" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:112.175.184.0/25 ip4:112.175.184.128/26 ip4:223.26.138.0/25 ip4:211.238.13.0/24 ip4:112.175.185.18 ip4:49.238.168.128/25 ip4:220.90.209.160/27 ~all", "dmarc": "v=DMARC1; p=none; rua=mailto:master@dothome.co.kr", "dkim_selector": "default", "dkim_host": "default._domainkey.dothome.co.kr", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbDlONeRm78b7mUPYsLbyGUoeYCUmGUO8Hs+qlwVki91+dUpvLTUiGKvJRdaJ9EmIjyxvGzvSLSwQVHMbkzFDlpTo71urfSfzuNcBqvYqMNVsClhgDfUs4Q/auHRBXJqvES4LWvQ2xYF9veVUY+CF01z1HSBgsUYJfPCSwDwLolQIDAQAB", "spf_analysis": { "valid": true, "lookups": 0, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "112.175.184.126" ], "time_ms": 257.31 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "112.175.184.126" ], "time_ms": 435.9 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "112.175.184.126" ], "time_ms": 399.09 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "112.175.184.126" ], "time_ms": 761.2 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "112.175.184.126" ], "time_ms": 885.12 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "dothome.co.kr", "valid_from": "2026-06-14T03:08:15-05:00", "valid_to": "2026-09-12T03:08:14-05:00", "days_remaining": 33, "san": [ "dothome.co.kr", "www.dothome.co.kr" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.dothome.co.kr/", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "server": "nginx/1.20.1", "date": "Sun, 09 Aug 2026 16:07:43 GMT", "content-type": "text/html; charset=UTF-8", "connection": "keep-alive", "location": "https://www.dothome.co.kr/", "set-cookie": "dh-session=1e6b0ec54311e03ae89ae09bb0ab1d4d0731f41863e6651263d19ac6fbedeb28; path=/; secure; SameSite=None" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": false, "x-frame-options": false, "referrer-policy": false, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "nginx/1.20.1", "powered_by": "" }, "webpage": { "url": "https://www.dothome.co.kr/", "title": "무료홈페이지 | 무료호스팅 | 닷홈", "description": "닷홈은 도메인, 무료호스팅, 무료홈페이지, 웹호스팅, 웹메일, SSL보안인증서, 서버호스팅 등 호스팅 서비스를 제공하고 있습니다.", "success": true, "error": "", "status": 200 }, "network": { "112.175.184.126": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mail.dothome.co.kr", "ports": [ { "port": 25, "open": false, "time_ms": 210.9, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 333.6, "banner": "", "error": "No connection" }, { "port": 587, "open": false, "time_ms": 337, "banner": "220 mta-nm02.dothome.co.kr <1786291666.139765835863808@mta-nm02.dothome.co.kr> [XMail 1.27 PassKorea250930 ESMTP Server] service ready; Mon, 10 Aug 2026 01:07:46 +0900", "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": 107.74 }