{ "ok": true, "domain": "mk.co.kr", "generated_at": "2026-08-09T06:57:52-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 75, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 69, "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": "6 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": "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": 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": "189 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": 4, "lost_points": 31, "detail": "1 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/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": "6 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": "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": "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": "189 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": "1 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 4, "lost_points": 31 }, { "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/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": [ "210.179.172.12" ], "AAAA": [], "CNAME": [], "MX": [ "10 spam1.mk.co.kr.", "10 spam2.mk.co.kr." ], "TXT": [ "\"google-site-verification=3MV2q9bZibVUUyEKf7lVrou3Fsad6ZoqJqJzMqD65-w\"", "\"v=spf1 ip4:203.238.56.4 ip4:203.238.56.5 ip4:220.72.24.188 ip4:220.72.24.189 ip4:210.106.107.201 ip4:220.73.139.71 ip4:220.73.139.201 ip4:220.73.139.235 include:stibee.com include:mail.stibee.com -all\"", "\"turingsign=01b2fb9dd21f480d99c668e44db7398b\"" ], "NS": [ "ns.mkvip.co.kr.", "ns3.mk.co.kr.", "ns.mk.co.kr.", "168.126.63.2.", "ns2.mk.co.kr.", "168.126.63.1." ], "SOA": [ "ns.mk.co.kr. sysadm.mk.co.kr. 3633 1800 600 21600 3600" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "210.179.172.12" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:203.238.56.4 ip4:203.238.56.5 ip4:220.72.24.188 ip4:220.72.24.189 ip4:210.106.107.201 ip4:220.73.139.71 ip4:220.73.139.201 ip4:220.73.139.235 include:stibee.com include:mail.stibee.com -all", "dmarc": "v=DMARC1; p=reject; aspf=r; rua=mailto:sysadm@mk.co.kr", "dkim_selector": "default", "dkim_host": "default._domainkey.mk.co.kr", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCQw42z9VmqUYjffcp+jQ87p9vus2dXk5vil17fI1KEDmOQlzX8hrrg3CihFohv972O2p2hP2Eq3A1+rP14pBABQAk39YtifnrMN7CJ4v9EdO9l6cucDwd+OTTfqj1BExOBWPI2qepYK+9rdNGn+qc0IfeduW30NIUHwRKeZv3FQIDAQAB", "spf_analysis": { "valid": true, "lookups": 2, "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": [ "210.179.172.12" ], "time_ms": 230.96 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "210.179.172.12" ], "time_ms": 594.4 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "210.179.172.12" ], "time_ms": 368.6 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "210.179.172.12" ], "time_ms": 702.88 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "210.179.172.12" ], "time_ms": 466.79 } ] } }, "ssl": { "available": true, "issuer": "DigiCert Inc", "subject": "*.mk.co.kr", "valid_from": "2026-01-15T18:00:00-06:00", "valid_to": "2027-02-14T17:59:59-06:00", "days_remaining": 189, "san": [ "*.mk.co.kr", "mk.co.kr" ], "protocol": "TLSv1.2", "cipher": "ECDHE-RSA-AES128-GCM-SHA256" }, "http": { "url": "https://www.mk.co.kr/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "content-length": "0", "location": "https://www.mk.co.kr/", "date": "Sun, 09 Aug 2026 11:57:42 GMT", "content-type": "text/html;charset=UTF-8", "vary": "Origin, Access-Control-Request-Method, Access-Control-Request-Headers", "was": "TMS3", "content-language": "ko-KR", "x-content-type-options": "nosniff", "x-xss-protection": "1; mode=block", "cache-control": "no-cache, no-store, max-age=0, must-revalidate", "pragma": "no-cache", "server": "cloudflare", "x-server": "svc-web3", "cf-cache-status": "DYNAMIC", "set-cookie": "_cfuvid=ZKPRuDv2XkdplFIZPBHAAzJ0xOuO5sLih5HA5DWvxKw-1786276661.9455013-1.0.1.1-TN7_plrH_FNzHkg3QR4pHUoHzrDkuYa3sk.qWiYYtsA; HttpOnly; SameSite=None; Secure; Path=/; Domain=mk.co.kr", "cf-ray": "a28695b12c26dd88-STL" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": true, "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": "cloudflare", "powered_by": "" }, "webpage": { "url": "https://www.mk.co.kr/", "title": "매일경제", "description": "매일경제는 초일류국가로 도약할 수 있는 국가적 비전을 선도하며 지식강국의 내일을 위해 새로운 비전과 패러다임을 제시하고 있습니다.", "success": true, "error": "", "status": 200 }, "network": { "210.179.172.12": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "spam1.mk.co.kr", "ports": [ { "port": 25, "open": false, "time_ms": 183.3, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4192.6, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.4, "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": 86.31 }