{ "ok": true, "domain": "mercadolibre.com.ar", "generated_at": "2026-08-10T05:48:45-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 84, "label": "Good", "categories": { "dns": 75, "mail": 90, "security": 81, "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": "2 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": "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": "86 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": 16, "lost_points": 19, "detail": "4 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: a35f64fceb718ad27.awsglobalaccelerator.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": 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": "2 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": "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": "86 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": "4 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 16, "lost_points": 19 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: a35f64fceb718ad27.awsglobalaccelerator.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": "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": [ "3.33.182.45", "15.197.170.90" ], "AAAA": [], "CNAME": [], "MX": [ "1 aspmx.l.google.com.", "10 aspmx2.googlemail.com.", "5 alt1.aspmx.l.google.com.", "5 alt2.aspmx.l.google.com.", "10 aspmx3.googlemail.com." ], "TXT": [ "\"google-site-verification=ik8yPAyeqEJbnp8YB04DymOnJhKQ78RcLJWDGVi1LoM\"", "\"google-site-verification=CnEkCDMj9dmpOOntIkkGByqjiyRoowSpsdJwD5S8td8\"", "\"google-site-verification: MIv_j5XRUyuS5f8seQLe3KjDeFSpHl2rlCINXuKoQts\"", "\"google-site-verification=ZXqcXRrsZ46siXqAPkHxjid79obgTQD8MM6DChCMQyo\"", "\"facebook-domain-verification=peh5bk61bkt7b24e1a574szwxfsmns\"", "\"google-site-verification=StfADZC78yVTbF1vvbaRQPI1N43xr-U0m661Hl78_UM\"", "\"google-site-verification=awe25_3AVNfjXw45pwQXbD3bu6OjeispZmUN5aZo24k\"", "\"monday-com-verification=G6gWiJdNb9CBcH8BHiELjqXSmd9b04RarDTXkffu_-k\"", "\"bn88xz75g2v07x46wpf2tt7gwmr1t42q\"", "\"2qccp1wq3wdwmrrls0yyncx47k8ksj8z\"", "\"google-site-verification=aYfx-DHY9VI4-n0cN-GtQG1e5rYOmo7pBP4A7PuIOW8\"", "\"_fj9o65650bji0j7170gypwg1qyk8fnn\"", "\"postman-domain-verification=438b8a08a0499cf7a4c8d51a5863e2687cd05a5d105380f1ea5abf7fb6742c969f2ba3b22218e55387ba1abad80af300942cf4874fddad6285e5a74e84f01bce\"", "\"v=spf1 exists:%{i}._spf.mta.salesforce.com include:spfa.mercadolibre.com.ar ip4:172.217.128.0/19 ip4:172.217.160.0/20 ip4:172.217.192.0/19 ip4:18.211.176.124 ip4:18.211.61.67 ip4:18.213.72.148 ip4:184.73.44.157 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ~all\"", "\"_z6vx84any40z5bhohxx4s6irl34b8qu\"", "\"n8zb278zd3ctg70n0t7s30wst1178r4q\"", "\"miro-verification=2a505fedfeda2411c7c140f1cba9c895aa186d78\"" ], "NS": [ "ns-1193.awsdns-21.org.", "ns-476.awsdns-59.com.", "ns-1887.awsdns-43.co.uk.", "ns-771.awsdns-32.net." ], "SOA": [ "ns-1193.awsdns-21.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400" ], "CAA": [ "0 iodef \"mailto:domains@mercadolibre.com\"", "0 issue \"digicert.com\"", "0 issue \"amazon.com\"", "0 issue \"pki.goog\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "3.33.182.45", "15.197.170.90" ], "ipv6": [] }, "mail": { "spf": "v=spf1 exists:%{i}._spf.mta.salesforce.com include:spfa.mercadolibre.com.ar ip4:172.217.128.0/19 ip4:172.217.160.0/20 ip4:172.217.192.0/19 ip4:18.211.176.124 ip4:18.211.61.67 ip4:18.213.72.148 ip4:184.73.44.157 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ~all", "dmarc": "v=DMARC1; p=reject; rua=mailto:dmarcrua@mercadolibre.com, mailto:mercadolibre@rua.netcraft.com, mailto:dmarc_agg@vali.email; ruf=mailto:dmarcruf@mercadolibre.com,mailto:mercadolibre@ruf.netcraft.com; adkim=s; aspf=r; rf=afrf; pct=100;", "dkim_selector": "google", "dkim_host": "google._domainkey.mercadolibre.com.ar", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaWDU/2hSYWv/dAG1fXW7iz8JtFMayiRqszXjol2ReB+f7s1LlJ+AUzvzv6ia4A1CfQKOSX9JXr54Ou70GZIBC5i8p5MeS/9c+4LK8JX5di1OXSKZTr6i8FgxHEy7WPT9ojIMsP4zqR0HcLT8HtLrrs1H96oHk+MV4fpzTuFL5QwIDAQAB", "spf_analysis": { "valid": true, "lookups": 2, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "v=BIMI1; l=https://vmc.digicert.com/efa3050f-5bb9-4e4a-9c17-61cf69a2d47a.svg; a=https://vmc.digicert.com/efa3050f-5bb9-4e4a-9c17-61cf69a2d47a.pem", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "a35f64fceb718ad27.awsglobalaccelerator.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "15.197.170.90", "3.33.182.45" ], "time_ms": 71.23 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "15.197.170.90", "3.33.182.45" ], "time_ms": 46.13 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "15.197.170.90", "3.33.182.45" ], "time_ms": 43.01 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "15.197.170.90", "3.33.182.45" ], "time_ms": 33.88 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "15.197.170.90", "3.33.182.45" ], "time_ms": 67.28 } ] } }, "ssl": { "available": true, "issuer": "Amazon", "subject": "*.mercadolibre.com.ar", "valid_from": "2025-10-05T19:00:00-05:00", "valid_to": "2026-11-04T17:59:59-06:00", "days_remaining": 86, "san": [ "*.mercadolibre.com.ar", "mercadolibre.com.ar" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://www.mercadolibre.com.ar/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Mon, 10 Aug 2026 10:48:37 GMT", "content-type": "text/html; charset=utf-8", "content-length": "360670", "location": "https://www.mercadolibre.com.ar/", "server": "Tengine", "x-request-id": "cbfb3f26-125c-4c9f-829c-b43db699a5d2", "x-request-device-id": "cbfb3f26-125c-4c9f-829c-b43db699a5d2", "x-d2id": "cbfb3f26-125c-4c9f-829c-b43db699a5d2", "strict-transport-security": "max-age=63072000; includeSubDomains; preload", "x-content-type-options": "nosniff", "x-xss-protection": "1; mode=block", "referrer-policy": "no-referrer-when-downgrade", "set-cookie": "c_2gohsX=1; 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