{ "ok": true, "domain": "ishares.com", "generated_at": "2026-08-10T20:13:12-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 78, "label": "Good", "categories": { "dns": 75, "mail": 70, "security": 80, "network": 50, "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": 15, "lost_points": 0, "detail": "DS and DNSKEY detected." }, { "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": "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": 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": "16 day(s) remaining." }, { "category": "security", "title": "Certificate lifetime", "max_points": 10, "earned_points": 6, "lost_points": 4, "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": 30, "lost_points": 0, "detail": "PTR: a23-38-79-95.deploy.static.akamaitechnologies.com" }, { "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": "ok", "title": "DNSSEC chain", "detail": "DS and DNSKEY detected.", "category": "dns", "max_points": 15, "earned_points": 15, "lost_points": 0 }, { "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": "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": "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": "16 day(s) remaining.", "category": "security", "max_points": 55, "earned_points": 55, "lost_points": 0 }, { "level": "warning", "title": "Certificate lifetime", "detail": "Full points require at least 30 days remaining.", "category": "security", "max_points": 10, "earned_points": 6, "lost_points": 4 }, { "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": "ok", "title": "PTR reverse DNS", "detail": "PTR: a23-38-79-95.deploy.static.akamaitechnologies.com", "category": "network", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "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": [ "23.38.79.95" ], "AAAA": [], "CNAME": [], "MX": [ "10 mxa-00162b01.gslb.pphosted.com.", "10 mxb-00162b01.gslb.pphosted.com." ], "TXT": [ "\"0f1815be-65d1-4cbf-9fda-f331702621b5\"", "\"F0DB-75B3-04DE-9801-788E-A7F1-29F8-D61D\"", "\"_4424hfp3k1nxlxej33mqog2781kkyea\"", "\"facebook-domain-verification=fqxv6r9387l2g5yx5l9f026wsi84lw\"", "\"v=spf1 +mx -all\"", "\"google-site-verification=jDYaYb5xxFKW8YaL87gpssWibvTaWxeiP8wpT4AIcAI\"", "\"MS=ms49010423\"", "\"_k4ebro87a8cppc6jht4y8hsttf8oosv\"", "\"_qmfelu6tly2mtpmwwedxuy0umu3uy88\"" ], "NS": [ "ns3.blackrock.com.", "ns4.blackrock.com.", "ns1.blackrock.com.", "ns6.blackrock.com.", "ns5.blackrock.com.", "ns2.blackrock.com." ], "SOA": [ "ns1.blackrock.com. netops.blackrock.com. 2026061404 3600 900 604800 3600" ], "CAA": [], "DS": [ "28767 13 2 B9B4A2CB62D967F6A60C1091AB9E8FE080FF617BC97F0C23E66AEAF9 9D422989" ], "DNSKEY": [ "257 3 13 SgNRqMUBrHCg2aL0+CZgk2y9n1LPhK9f2+wd0hpLwSi54HaoKafIppQp Re7MF0EhRNg4eRFvf5Zsn/UuLRe7Hg==", "257 3 13 YPWIkk43QUu3eG6iLejdgvanEOYoKwfl1ENweoqUZ2P7r5Qt5uMOxm/e XBkFoFLid2+yWU8GIag3Q/bDvGj0Cg==", "256 3 13 /Q7wm+Y/oVRavwjgmYfLn8ENoI1jqZf1AooyRvPRYunHNAH9Jh3B49l9 AigFH16SO+nSDXSufrvn5aEb4uqT+Q==", "256 3 13 cyqSrqpL/rDcG3gzWO9BCUx96Cqze0PI7EbvbvW0+/j1+vz7/FSuM2qf Dzif2GvifIpvVdVZarIxgYFkIRGZzA==" ], "RRSIG": [ "SOA 13 2 3600 20260813163351 20260810153351 22332 ishares.com. NotpCFClHmqi6yhs/FwJcQzXfH+t4NMiJZJN4A91VkGMlIxHr3iKb6xy HeVMj7SaILMIPNiAffcNmE8KLYtdCQ==", "MX 13 2 1800 20260813163351 20260810153351 22332 ishares.com. ivz7BNs3s6sqImnIVdaX0E760/FOz7qHM7+x1WdyTzDpDECzNVHHRYDC KmlQDjNn3M84Wehx7jmq+TckOAQMWg==", "TXT 13 2 300 20260813163351 20260810153351 22332 ishares.com. v7fBUZXV71Vy+yfsq+lqOS4cgdrHt7zLFq1ezAl8rkOQL6oVkuwgwL2l +T+uOvHF7YkmTasvhJJaVleHEFoxJA==", "A 13 2 60 20260813163351 20260810153351 22332 ishares.com. qgxcyVvis+z9NFUXYMfwcSo/r3kN1oNuqKTOdcol306b3TGvG/vTJtYz znOobinkrU1Zw+hQnQZAzRcIafKASQ==", "DNSKEY 13 2 7200 20260813163351 20260810153351 16359 ishares.com. BJJ4vYo9TXlGvWGxxE7fCrSB76Wr87qm6wmUeQf2THcGOUOEjZCsCV6J y9YblmFdJWTpKq8zABazzsZQvU241w==", "DNSKEY 13 2 7200 20260813163351 20260810153351 28767 ishares.com. fkhKqMFtH4uoXrsbJ3IZriY3ff1n0Ei0IPgUM1BBKiYmGd1w5ifD/YVQ o5Xd7RvLF+z68UtGmFK1+77SSZmj1w==", "NS 13 2 86400 20260813163351 20260810153351 22332 ishares.com. 9I4jE95t6Ny3I7sYGXSa0r6VIku3vA2te9XbhgV5kky6Hlv72H4fzs/O v9p0EQkCqHIU5or3Y3E+AeJRUzDpIw==", "DS 13 2 86400 20260815003400 20260807232400 41446 com. iwRqmEsXgQm43hw/EicVYZe6VQQJ0Q/tB2c/NlsZgrJSHXfKXIRFscmm /Gtw6axj831zaFRMkoZ2rLvt8pM0qQ==", "NSEC3PARAM 13 2 3600 20260813163351 20260810153351 22332 ishares.com. znLetlC8FOxRsHS0/WTjyAiOrliYLPC0Vjo2HayQO/6YzbarWQ40ZjRQ O8ImYJXlxfC4MbVBta7i3Rv6+2ib4g==" ], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "23.38.79.95" ], "ipv6": [] }, "mail": { "spf": "v=spf1 +mx -all", "dmarc": "v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 1, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "a23-38-79-95.deploy.static.akamaitechnologies.com", "propagation": { "consistent": false, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "23.38.79.95" ], "time_ms": 76.45 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "23.62.69.159" ], "time_ms": 52.03 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "23.195.195.74" ], "time_ms": 55.47 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "23.62.69.159" ], "time_ms": 52.14 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "23.52.194.54" ], "time_ms": 66.51 } ] } }, "ssl": { "available": true, "issuer": "DigiCert Inc", "subject": "*.ishares.com", "valid_from": "2025-08-25T19:00:00-05:00", "valid_to": "2026-08-27T18:59:59-05:00", "days_remaining": 16, "san": [ "*.ishares.com", "ishares.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.ishares.com/us", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "istio-envoy", "content-length": "0", "location": "https://www.ishares.com/us", "date": "Tue, 11 Aug 2026 01:13:11 GMT", "alt-svc": "h3=\":443\"; ma=93600", "expires": "Tue, 11 Aug 2026 01:13:11 GMT", "cache-control": "no-cache, no-store", "pragma": "no-cache", "content-type": "text/html;charset=UTF-8", "x-request-id": "cc35c521-19fde3c08a5", "x-site-name": "us-ishares", "x-locale": "en_US", "x-page-name": "index", "x-ua-compatible": "IE=edge", "link": "; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin, ; rel=preconnect; crossorigin, ; rel=preconnect; crossorigin, ; rel=preconnect; crossorigin", "content-security-policy": "default-src https:; font-src https: data:; img-src https: data:; base-uri 'self'; object-src 'self'; media-src https: blob:; child-src https: blob:; worker-src https: blob:; frame-ancestors 'self' https://*.blackrock.com https://*.ishares.com; style-src https: 'unsafe-inline'; script-src https: 'nonce-0/+0yD5Jzw3W1SkiZhrSng==';", "x-frame-options": "SAMEORIGIN", "referrer-policy": "no-referrer-when-downgrade", "x-cache-status": "MISS", "x-host-ref": "blk-one02-live-7bfdb4648-9fjjd/orca", "x-xss-protection": "1; mode=block", "x-content-type-options": "nosniff", "strict-transport-security": "max-age=31536000;preload", "x-envoy-upstream-service-time": "119", "x-region-ref": "muse2", "set-cookie": "DC_STICKY_SESSION_COOKIE=muse2; Path=/; Max-Age=28800; HttpOnly; Secure; SameSite=None" }, "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": "istio-envoy", "powered_by": "" }, "webpage": { "url": "https://www.ishares.com/us", "title": "iShares® ETFs by BlackRock – Investing Made Easy | iShares – BlackRock", "description": "Discover iShares by BlackRock, the top ETF provider offering access to stocks, bonds, and more. Start investing and unlock diverse investment opportunities.", "success": true, "error": "", "status": 200 }, "network": { "23.38.79.95": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mxa-00162b01.gslb.pphosted.com", "ports": [ { "port": 25, "open": false, "time_ms": 28.5, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 76.9, "banner": "", "error": "Connection refused" }, { "port": 587, "open": false, "time_ms": 44.3, "banner": "", "error": "Connection refused" } ] }, "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": 83.63 }