{ "ok": true, "domain": "litres.ru", "generated_at": "2026-08-09T12:48:57-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 80, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 69, "network": 65, "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": "4 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": "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": "55 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": 30, "lost_points": 0, "detail": "PTR: litres.ru" }, { "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": 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": "4 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": "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": "55 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": "ok", "title": "PTR reverse DNS", "detail": "PTR: litres.ru", "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": "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": [ "193.26.19.101", "193.26.19.16", "193.26.19.14", "193.26.19.99" ], "AAAA": [], "CNAME": [], "MX": [ "5 ALT1.ASPMX.L.GOOGLE.COM.", "10 ASPMX3.GOOGLEMAIL.COM.", "10 ASPMX2.GOOGLEMAIL.COM.", "1 ASPMX.L.GOOGLE.COM.", "5 ALT2.ASPMX.L.GOOGLE.COM." ], "TXT": [ "\"mailru-verification: 794c9c22e2adc2b0\"", "\"_globalsign-domain-verification=NBNCJCrqiMAdhaPXz11jcDFjHF18DBV0I370VnSeSg\"", "\"mailru-domain: nTU0IRathAEVS2yk\"", "\"yandex-verification: 004081540e70cf45\"", "\"_globalsign-domain-verification=u7FgaVbfrYl8QCn0NUh4rlnGG0DC8kmmQ2g_rskK77\"", "\"v=spf1 ip4:193.26.19.0/24 include:spf.mindbox.ru include:_spf.yandex.net include:_spf.google.com ~all\"", "\"mailru-verification: 750b6c85b6950025\"", "\"mailru-verification: 704887e4b2120469\"", "\"google-site-verification=oseV1i965tpZNwxRQCVPOIyYiIi8yDyFUUKkCl3BsFM\"", "\"google-site-verification=nDvU2rIQyaECUOh-JceF1J6LnYUsa807qZkhBW9S26w\"", "\"google-site-verification=ZO6-LnzHwJbDa7gAObKjxka9lim4UGGwG4H5T0JAPTk\"" ], "NS": [ "ns2.litres.ru.", "ns4-l2.nic.ru.", "ns8-l2.nic.ru.", "ns1.litres.ru." ], "SOA": [ "ns1.litres.ru. domains.litres.ru. 2026071702 28800 5000 1209600 86400" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "193.26.19.101", "193.26.19.16", "193.26.19.14", "193.26.19.99" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:193.26.19.0/24 include:spf.mindbox.ru include:_spf.yandex.net include:_spf.google.com ~all", "dmarc": "v=DMARC1;p=reject;sp=none;rua=mailto:dluztea7@ag.eu.dmarcian.com, mailto:56535d2834@rep.dmarcanalyzer.com;ruf=mailto:devops@litres.ru,mailto:orlov.a@mybook.ru;", "dkim_selector": "google", "dkim_host": "google._domainkey.litres.ru", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDc1KGagdMLuCgHjxr0+5QAkdSbIxDME5LDa0TJAkHzl9Es6/mTAWWn11TGTg9gQq80D8sDiK83EzCA9WpgSsR/gsTUZQ0Ll0IIW0BXHRjv1E0n1XVCidL8xBF5dZhxwkCQ4n33OUFyGT1H6iYJZJwnRX2LNOgi6FEJkI15qRM1XwIDAQAB", "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": "litres.ru", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "193.26.19.101", "193.26.19.14", "193.26.19.16", "193.26.19.99" ], "time_ms": 35.03 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "193.26.19.101", "193.26.19.14", "193.26.19.16", "193.26.19.99" ], "time_ms": 155.5 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "193.26.19.101", "193.26.19.14", "193.26.19.16", "193.26.19.99" ], "time_ms": 162.42 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "193.26.19.101", "193.26.19.14", "193.26.19.16", "193.26.19.99" ], "time_ms": 609.08 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "193.26.19.101", "193.26.19.14", "193.26.19.16", "193.26.19.99" ], "time_ms": 271.24 } ] } }, "ssl": { "available": true, "issuer": "GlobalSign nv-sa", "subject": "*.litres.ru", "valid_from": "2025-09-02T09:10:50-05:00", "valid_to": "2026-10-04T09:10:49-05:00", "days_remaining": 55, "san": [ "*.litres.ru", "litres.ru" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://www.litres.ru/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "ddos-guard", "set-cookie": "_ymab_param=vjz8imMGcOX6si1ofCRTcj3JMeLXam6IkKcRw4KblYnPtv_8mqjB88k7bGLZr2xpPJ12KATdhJTJLFYbvwmx17N6tX4; Max-Age=31536000; Path=/; Expires=Mon, 09 Aug 2027 17:48:48 GMT; Secure", "date": "Sun, 09 Aug 2026 17:48:48 GMT", "content-type": "text/html; charset=utf-8", "content-length": "532941", "location": "https://www.litres.ru/", "referrer-policy": "no-referrer-when-downgrade", "x-powered-by": "Express", "document-policy": "js-profiling", "link": "; rel=preload; as=style, ; rel=preload; as=style, ; rel=preload; as=style, ; rel=preload; as=style, ; rel=preload; as=font, ; rel=preload; as=font, ; rel=preload; as=font", "x-ssr-cache-enabled": "1", "etag": "W/\"821cd-qiY6oO2ZasEUuBDNvz7zmCoN6rc\"" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": false, "x-frame-options": false, "referrer-policy": true, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "ddos-guard", "powered_by": "Express" }, "webpage": { "url": "https://www.litres.ru/", "title": "DDoS-Guard", "description": "", "success": true, "error": "", "status": 403 }, "network": { "193.26.19.101": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "193.26.19.16": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "193.26.19.14": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "193.26.19.99": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "ALT1.ASPMX.L.GOOGLE.COM", "ports": [ { "port": 25, "open": false, "time_ms": 0.7, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4020.4, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.3, "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": 79.59 }