{ "ok": true, "domain": "skadden.com", "generated_at": "2026-08-12T05:06:51-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 80, "label": "Good", "categories": { "dns": 75, "mail": 90, "security": 84, "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": 5, "lost_points": 0, "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": "4 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": "127 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": 19, "lost_points": 16, "detail": "5 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": "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": "ok", "title": "CAA policy", "detail": "Certificate authority restriction.", "category": "dns", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "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": "4 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": "127 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": "5 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 19, "lost_points": 16 }, { "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": [ "68.220.40.173" ], "AAAA": [], "CNAME": [], "MX": [ "30 mailhost4.skadden.com.", "30 mailhost3.skadden.com.", "30 mailhost1.skadden.com.", "30 mailhost2.skadden.com." ], "TXT": [ "\"apple-domain-verification=iZxmrkKkDsfosaGz\"", "\"_ubxhfi5po3jmihnm8xdcdtitjzbx4gh\"", "\"specops-verification-code=3c9d270d-9974-4a7e-abe7-b8d385f9c47e\"", "\"MS=ms31265976\"", "\"MS=ms87616618\"", "\"deepl-domain-verification=04b7d9345bf84f2384ece7fc1bb92b74\"", "\"MS=ms77632668\"", "\"ZOOM_verify_G8xs9jnpk7AWnCeMeCIv5A\"", "\"asv=1273f337b0bde8922482dd69810f6158\"", "\"asv=e7072eccac822f622a6f2c17f1757152\"", "\"_cp00h73z4jt3q4bhrxuxo6libowx7b7\"", "\"logmein-verification-code=84b76d8e-bef7-4a7a-8299-0fe12f6edb4c\"", "\"docusign=26ece35d-944c-46c3-8e26-354d48a75115\"", "\"google-site-verification=JnemR-DaWr1n4JAywI4KJEAK6jdrc1Ra010mhQtWH34\"", "\"adobe-idp-site-verification=67be5086-2d2f-42bb-a392-37fa230ef201\"", "\"cisco-ci-domain-verification=2036287b939a0dc6e5253bdc46ffbdffa171cc7b6430fc8b5bd2492a31aa47cb\"", "\"v=spf1 ip4:162.90.96.20 ip4:162.90.96.21 ip4:162.90.96.22 ip4:162.90.97.20 ip4:162.90.96.32 ip4:161.47.119.40 ~all\"" ], "NS": [ "ns6.netnames.net.", "ns1.netnames.net.", "ns2.netnames.net.", "ns5.netnames.net." ], "SOA": [ "ns1.netnames.net. hostmaster.cscdns.net. 2018073051 10800 1800 3600000 86400" ], "CAA": [ "0 issue \"awstrust.com\"", "0 iodef \"dlnsir@skadden.com\"", "0 iodef \"dlzdesk@skadden.com\"", "0 issue \"digicert.com\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "68.220.40.173" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:162.90.96.20 ip4:162.90.96.21 ip4:162.90.96.22 ip4:162.90.97.20 ip4:162.90.96.32 ip4:161.47.119.40 ~all", "dmarc": "v=DMARC1; p=quarantine; rua=mailto:dmarc_rua@skadden.com; ruf=mailto:dmarc_ruf@skadden.com; fo=1;", "dkim_selector": "s1", "dkim_host": "s1._domainkey.skadden.com", "dkim": "k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsmQguXXVMjG9+UdMkDmnkTFPC6XXZIzixwJKO2ML5Pn3o7cVpmfjPPEvFz1xYbETVLPKGdYtRpXVlgxXV0xQiLuLefjzWglQoWT3ISFa/b+Mn3t1eKgBWw6FxS+NQR4gOHm5J74+u3ytIF3l2g7DZzhwl8H6VShKgQIVn9IvqA5lL6DI15NJ9aWEtvOzYnfJMJLnNe4nCPGyAe9EFKmPQ0SQugi6eeGVK/lnsDX94QXnwzqdiP1HJMTr4AtLMcU0LdQ9INWwpaF1wy+r3SAegSBj1SZzz0KJlMDxiF5fnDl6uBeFvkFUulEMDKn+kQac04NZ0cOY113dlj/OtQ/t3wIDAQAB", "spf_analysis": { "valid": true, "lookups": 0, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "v=BIMI1;l=https://www.skadden.com/-/media/images/about/order_1406477301_logo.svg; a=https://www.skadden.com/-/media/images/about/skadden_arps_slate_meagher___flom_llp.pem; avp=brand;", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "68.220.40.173" ], "time_ms": 79.95 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "68.220.40.173" ], "time_ms": 50.36 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "68.220.40.173" ], "time_ms": 49.16 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "68.220.40.173" ], "time_ms": 53.94 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "68.220.40.173" ], "time_ms": 91.69 } ] } }, "ssl": { "available": true, "issuer": "DigiCert Inc", "subject": "skadden.com", "valid_from": "2026-06-01T19:00:00-05:00", "valid_to": "2026-12-17T17:59:59-06:00", "days_remaining": 127, "san": [ "skadden.com", "www.skadden.com", "recruit.skadden.com", "skaddenalumni.com", "www.skaddenalumni.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.skadden.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Wed, 12 Aug 2026 10:06:46 GMT", "location": "https://www.skadden.com/", "x-p": "PH1iB3", "content-type": "text/html; charset=utf-8", "cache-control": "no-cache, no-store", "pragma": "no-cache", "expires": "-1", "vary": "Accept-Encoding", "server": "cloudflare", "set-cookie": "SERVER=PCDSKAA2; path=/", "x-a": "PCDSKA", "x-s": "02", "access-control-allow-headers": "*", "access-control-allow-methods": "*", "x-frame-options": "SAMEORIGIN", "x-xss-protection": "1; mode=block", "x-content-type-options": "nosniff", "referrer-policy": "strict-origin-when-cross-origin", "content-security-policy": "default-src 'self' 'unsafe-inline' 'unsafe-eval'; img-src 'self' data: https://www.googletagmanager.com https://skadden.vuture.net https://tr.lfeeder.com https://cdn.cookielaw.org https://61282519.global.siteimproveanalytics.io https://www.google.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://ok1static.oktacdn.com; font-src 'self' data: 'unsafe-inline' https://ok1static.oktacdn.com https://fonts.gstatic.com; connect-src 'self' https://dev-837646.oktapreview.com https://cdn.cookielaw.org https://geolocation.onetrust.com https://analytics.google.com https://stats.g.doubleclick.net https://www.google.com; upgrade-insecure-requests; block-all-mixed-content; script-src 'self' https://www.googletagmanager.com https://cdn.cookielaw.org https://geolocation.onetrust.com https://siteimproveanalytics.com https://sc.lfeeder.com https://ok1static.oktacdn.com https://www.google-analytics.com https://script.crazyegg.com https://player.vimeo.com https://www.youtube.com https://googleads.g.doubleclick.net https://www.google.com https://www.gstatic.com 'unsafe-inline' 'unsafe-eval'; frame-src 'self' https://player.vimeo.com https://player.captivate.fm https://www.youtube.com https://cdn.yoshki.com https://www.colemanphotographix.com https://www.google.com; frame-ancestors 'self';", "strict-transport-security": "max-age=31536000; includeSubDomains;", "cf-cache-status": "DYNAMIC", "cf-ray": "a29eab56affc13e9-ORD" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "x-frame-options": true, "referrer-policy": true, "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.skadden.com/", "title": "Skadden, Arps, Slate, Meagher & Flom LLP", "description": "Skadden delivers the highest quality advice and novel solutions to legal challenges, enabling clients to achieve their business goals.", "success": true, "error": "", "status": 200 }, "network": { "68.220.40.173": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mailhost4.skadden.com", "ports": [ { "port": 25, "open": false, "time_ms": 8.7, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 31.5, "banner": "", "error": "Connection refused" }, { "port": 587, "open": false, "time_ms": 4028.4, "banner": "", "error": "Connection timed out" } ] }, "visitor": { "ip": "216.73.216.212", "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": 116.48 }