{ "ok": true, "domain": "vk.cc", "generated_at": "2026-08-09T11:52:48-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 67, "label": "Fair", "categories": { "dns": 70, "mail": 70, "security": 65, "network": 65, "availability": 60 }, "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": "6 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": "3 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": 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": "63 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": 30, "lost_points": 0, "detail": "PTR: srv78-132-240-87.vk.com" }, { "category": "network", "title": "IPv4 diversity", "max_points": 35, "earned_points": 35, "lost_points": 0, "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": 0, "lost_points": 40, "detail": "HTTP/2 418 " }, { "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": "6 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": "3 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": "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": "63 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": "ok", "title": "PTR reverse DNS", "detail": "PTR: srv78-132-240-87.vk.com", "category": "network", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv4 diversity", "detail": "Two or more IPv4 addresses receive full points.", "category": "network", "max_points": 35, "earned_points": 35, "lost_points": 0 }, { "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": "error", "title": "HTTP response", "detail": "HTTP/2 418 ", "category": "availability", "max_points": 40, "earned_points": 0, "lost_points": 40 }, { "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": [ "87.240.132.78", "87.240.137.164", "93.186.225.194", "87.240.132.72", "87.240.129.133", "87.240.132.67" ], "AAAA": [], "CNAME": [], "MX": [ "0 mx.vk.com." ], "TXT": [ "\"HARICA-zAw7b8OGEuEfJTOFtRS\"", "\"google-site-verification=Rm7E-voezpIH2KHVoGgxfb-Z7gfj3n9l5EMg1jqV2Qg\"", "\"_globalsign-domain-verification=b_c5O83oCnfGp6AYdIRYL9Sz5c-3msDHY4E25d7xZm\"", "\"HARICA-45vu9NQ9FrpHyBpzAqL\"", "\"v=spf1 -all\"", "\"_globalsign-domain-verification=JrGT7Wt_5h8Y9qrFxauf6sRKnPKfs9bkIZq18gF_AO\"", "\"LD6VaYCKete4UB5FIx7snCoJ8bt1nGdeCWe4my5HH5psRaTl\" \"zAmvc\"", "\"yandex-verification: 84a4caddf0291a7b\"", "\"_globalsign-domain-verification=rwxBAQtESL5SK_IV4oFnE4TTVQN2b2BVa7RO6F0-CN\"", "\"atJ1QQ0fGXlJSD9DKrPatRQAB83O7mfrJvGeRBNgitM=\"" ], "NS": [ "ns1.vkontakte.ru.", "ns4.vkontakte.ru.", "ns2.vkontakte.ru." ], "SOA": [ "ns1.vkontakte.ru. ncc.vk.com. 3576088228 900 600 604800 900" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "87.240.132.78", "87.240.137.164", "93.186.225.194", "87.240.132.72", "87.240.129.133", "87.240.132.67" ], "ipv6": [] }, "mail": { "spf": "v=spf1 -all", "dmarc": "v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:dmarc@vk.com", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 0, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "srv78-132-240-87.vk.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "87.240.129.133", "87.240.132.67", "87.240.132.72", "87.240.132.78", "87.240.137.164", "93.186.225.194" ], "time_ms": 300.72 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "87.240.129.133", "87.240.132.67", "87.240.132.72", "87.240.132.78", "87.240.137.164", "93.186.225.194" ], "time_ms": 304.47 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "87.240.129.133", "87.240.132.67", "87.240.132.72", "87.240.132.78", "87.240.137.164", "93.186.225.194" ], "time_ms": 37.94 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "87.240.129.133", "87.240.132.67", "87.240.132.72", "87.240.132.78", "87.240.137.164", "93.186.225.194" ], "time_ms": 1677.45 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "87.240.129.133", "87.240.132.67", "87.240.132.72", "87.240.132.78", "87.240.137.164", "93.186.225.194" ], "time_ms": 184.05 } ] } }, "ssl": { "available": true, "issuer": "Google Trust Services", "subject": "*.vk.com", "valid_from": "2026-07-14T01:19:25-05:00", "valid_to": "2026-10-12T01:19:24-05:00", "days_remaining": 63, "san": [ "*.vk.com", "vk.ru", "vk.cc", "vk.me", "vkontakte.com", "vkontakte.ru", "vk.link", "vk.design", "stats.vk-portal.net", "m.vk.ru", "vkvideo.ru", "api.vk.ru", "*.vk.ru", "*.vk.cc", "*.vk.me", "*.vkontakte.com", "*.vkontakte.ru", "*.vk.link", "*.vk.design", "*.vk-portal.ru", "*.m.vk.com", "*.m.vk.ru", "*.vkvideo.ru", "*.m.vkvideo.ru", "*.api.vk.com", "*.api.vk.ru", "m.vk.com", "api.vk.com", "vk.com", "*.api.r.vk.com", "*.api.r.vk.ru", "api.r.vk.com", "api.r.vk.ru" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://vk.cc/", "status": "HTTP/2 418 ", "http_version": "3", "headers": { "server": "kittenx", "date": "Sun, 09 Aug 2026 16:52:39 GMT", "content-length": "0", "x-frontend": "front661200", "access-control-expose-headers": "X-Frontend", "x-trace-id": "aN5zzXiR2oFatcw6OIrHpsAVgnCg7w", "server-timing": "tid;desc=\"aN5zzXiR2oFatcw6OIrHpsAVgnCg7w\",front;dur=0.037" }, "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": "kittenx", "powered_by": "" }, "webpage": { "url": "https://vk.cc/", "title": "", "description": "", "success": false, "error": "Maximum (5) redirects followed" }, "network": { "87.240.132.78": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "87.240.137.164": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "93.186.225.194": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "87.240.132.72": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mx.vk.com", "ports": [ { "port": 25, "open": false, "time_ms": 137.7, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 253, "banner": "", "error": "No connection" }, { "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": 98.78 }