{ "ok": true, "domain": "lithub.com", "generated_at": "2026-08-09T07:23:14-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 76, "label": "Good", "categories": { "dns": 60, "mail": 90, "security": 65, "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": 0, "lost_points": 10, "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": "208 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: server-3-166-96-110.mci50.r.cloudfront.net" }, { "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": "error", "title": "DNS propagation", "detail": "Agreement between public resolvers.", "category": "dns", "max_points": 10, "earned_points": 0, "lost_points": 10 }, { "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": "208 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: server-3-166-96-110.mci50.r.cloudfront.net", "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": [ "3.166.96.110", "3.166.96.13", "3.166.96.87", "3.166.96.32" ], "AAAA": [], "CNAME": [], "MX": [ "10 alt4.aspmx.l.google.com.", "1 aspmx.l.google.com.", "5 alt2.aspmx.l.google.com.", "10 alt3.aspmx.l.google.com.", "5 alt1.aspmx.l.google.com." ], "TXT": [ "\"google-site-verification=E8si9z5cHt-5Q30_tFEPoKgfFwdsjdtzi6mdd7f-uC0\"", "\"v=spf1 a mx include:aspmx.sailthru.com include:servers.mcsv.net include:_spf.google.com ~all\"", "\"klaviyo-site-verification=U5D8ER\"", "\"yahoo-verification-key=AE3PrmoGMiD1kC3LIQs71U0QbLWPSL165RY1rp9CLr4=\"", "\"google-site-verification=_eiP8wKfxC54katxBeC2MyrY2wst8yM-cNjWWt1C-Ys\"" ], "NS": [ "ns-739.awsdns-28.net.", "ns-1082.awsdns-07.org.", "ns-416.awsdns-52.com.", "ns-1837.awsdns-37.co.uk." ], "SOA": [ "ns-1082.awsdns-07.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "3.166.96.110", "3.166.96.13", "3.166.96.87", "3.166.96.32" ], "ipv6": [] }, "mail": { "spf": "v=spf1 a mx include:aspmx.sailthru.com include:servers.mcsv.net include:_spf.google.com ~all", "dmarc": "v=DMARC1; p=none; rua=mailto:ahunter@lithub.com", "dkim_selector": "k1", "dkim_host": "k1._domainkey.lithub.com", "dkim": "k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 5, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "server-3-166-96-110.mci50.r.cloudfront.net", "propagation": { "consistent": false, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "3.170.152.116", "3.170.152.28", "3.170.152.84", "3.170.152.96" ], "time_ms": 55.3 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "3.170.152.116", "3.170.152.28", "3.170.152.84", "3.170.152.96" ], "time_ms": 40.76 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "3.170.152.116", "3.170.152.28", "3.170.152.84", "3.170.152.96" ], "time_ms": 75.68 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "3.170.152.116", "3.170.152.28", "3.170.152.84", "3.170.152.96" ], "time_ms": 126.24 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "3.166.96.110", "3.166.96.13", "3.166.96.32", "3.166.96.87" ], "time_ms": 103.96 } ] } }, "ssl": { "available": true, "issuer": "Amazon", "subject": "lithub.com", "valid_from": "2026-02-04T18:00:00-06:00", "valid_to": "2027-03-05T17:59:59-06:00", "days_remaining": 208, "san": [ "lithub.com", "s26162.pcdn.co", "www.lithub.com", "www.crimereads.com", "bookmarks.reviews", "crimereads.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://lithub.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "content-type": "text/html; charset=UTF-8", "date": "Sun, 09 Aug 2026 12:23:06 GMT", "x-gateway-skip-cache": "0", "server": "Pagely-ARES/1.22.27", "x-gateway-request-id": "81cd208357efe660d1f0d6f8dc816c9d", "x-pingback": "https://lithub.com/xmlrpc.php", "cache-control": "max-age=300", "link": "; rel=shortlink", "x-gateway-cache-key": "1786276913.996|standard|https|lithub.com|||/", "x-gateway-cache-status": "HIT", "vary": "Accept-Encoding", "x-cache": "Miss from cloudfront", "via": "1.1 9f12d4dec1417dbd299404b3b675a6b6.cloudfront.net (CloudFront)", "x-amz-cf-pop": "MCI50-P3", "x-amz-cf-id": "_wZ010LDwH5V7KXo2afsA40I0Pcw2eVD8FUky7cQz3f3aj72nIKXiA==" }, "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": "Pagely-ARES/1.22.27", "powered_by": "" }, "webpage": { "url": "https://lithub.com/", "title": "Literary Hub", "description": "The best of the literary web", "success": true, "error": "", "status": 200 }, "network": { "3.166.96.110": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "3.166.96.13": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "3.166.96.87": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "3.166.96.32": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "alt4.aspmx.l.google.com", "ports": [ { "port": 25, "open": false, "time_ms": 0.7, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4002.7, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.1, "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": 110.72 }