{ "ok": true, "domain": "snapcraft.io", "generated_at": "2026-08-09T23:26:03-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 85, "label": "Good", "categories": { "dns": 85, "mail": 45, "security": 100, "network": 100, "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": "3 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "3 IPv6 address(es) detected." }, { "category": "dns", "title": "Name server redundancy", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "3 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": "1 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": 0, "lost_points": 25, "detail": "DMARC policy not found." }, { "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": "48 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": 35, "lost_points": 0, "detail": "9 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: website-content-cache-1.ps5.canonical.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": 35, "lost_points": 0, "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": "3 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "3 IPv6 address(es) detected.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "ok", "title": "Name server redundancy", "detail": "3 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": "1 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": "error", "title": "DMARC", "detail": "DMARC policy not found.", "category": "mail", "max_points": 25, "earned_points": 0, "lost_points": 25 }, { "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": "48 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": "ok", "title": "HTTP security headers", "detail": "9 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 35, "lost_points": 0 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: website-content-cache-1.ps5.canonical.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": "ok", "title": "IPv6 connectivity", "detail": "AAAA availability.", "category": "network", "max_points": 35, "earned_points": 35, "lost_points": 0 }, { "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": [ "185.125.190.20", "185.125.190.29", "185.125.190.21" ], "AAAA": [ "2620:2d:4000:1::26", "2620:2d:4000:1::28", "2620:2d:4000:1::27" ], "CNAME": [], "MX": [ "10 mx-misc.canonical.com." ], "TXT": [ "\"google-site-verification=B2Es_iDyeOsMvThiN75WpeLaH8DRLgj1G2qFqwwC0pY\"", "\"_globalsign-domain-verification=VzRovTWhxjedMqXFfoiZ-UNRnlnuTXYHgjKemPNt33\"", "\"google-site-verification=UgzvAuw9KTIUiVbBjzcyBydA53IaDpuM4FEQzjEQl5g\"", "\"site24x7-signals-domain-verification=cd36b017ab7fa1bfc47fcd68e911a12d\"", "\"v=spf1 ip4:185.125.188.250 ip4:185.125.188.251 ip4:185.125.188.72 ip4:185.125.188.73 -all\"", "\"site24x7-domain-verification=cd36b017ab7fa1bfc47fcd68e911a12d\"" ], "NS": [ "ns1.canonical.com.", "ns2.canonical.com.", "ns3.canonical.com." ], "SOA": [ "ns1.canonical.com. hostmaster.canonical.com. 2018051929 10800 3600 604800 3600" ], "CAA": [ "0 issuewild \"letsencrypt.org\"", "0 issue \"letsencrypt.org\"", "0 issue \"letsencrypt.org; accounturi=https://acme-v01.api.letsencrypt.org/acme/reg/32541290\"", "0 iodef \"mailto:is-admin@canonical.com\"", "0 issue \"digicert.com\"", "0 issue \"amazon.com\"", "0 issuewild \"digicert.com\"", "0 issuewild \"amazon.com\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "185.125.190.20", "185.125.190.29", "185.125.190.21" ], "ipv6": [ "2620:2d:4000:1::26", "2620:2d:4000:1::28", "2620:2d:4000:1::27" ] }, "mail": { "spf": "v=spf1 ip4:185.125.188.250 ip4:185.125.188.251 ip4:185.125.188.72 ip4:185.125.188.73 -all", "dmarc": "", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 0, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": false, "policy": "" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "website-content-cache-1.ps5.canonical.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "185.125.190.20", "185.125.190.21", "185.125.190.29" ], "time_ms": 38.91 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "185.125.190.20", "185.125.190.21", "185.125.190.29" ], "time_ms": 24.51 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "185.125.190.20", "185.125.190.21", "185.125.190.29" ], "time_ms": 32.7 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "185.125.190.20", "185.125.190.21", "185.125.190.29" ], "time_ms": 40.74 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "185.125.190.20", "185.125.190.21", "185.125.190.29" ], "time_ms": 318.2 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "snapcraft.io", "valid_from": "2026-06-29T16:13:33-05:00", "valid_to": "2026-09-27T16:13:32-05:00", "days_remaining": 48, "san": [ "snapcraft.io", "www.snapcraft.io" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://snapcraft.io/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "nginx/1.14.0 (Ubuntu)", "date": "Mon, 10 Aug 2026 04:25:54 GMT", "content-type": "text/html; charset=utf-8", "content-length": "86595", "x-hostname": "snapcraft-io-1", "cache-control": "public, stale-while-revalidate=300, max-age=61, stale-if-error=86400", "etag": "\"5290774e00f05590ae51c87666810a83526757ba\"", "content-security-policy": "default-src 'self'; img-src data: blob: *; script-src-elem 'self' assets.ubuntu.com www.googletagmanager.com www.youtube.com asciinema.org player.vimeo.com plausible.io script.crazyegg.com w.usabilla.com connect.facebook.net snap.licdn.com challenges.cloudflare.com 'unsafe-inline'; font-src 'self' assets.ubuntu.com; script-src 'self' blob: 'unsafe-eval' 'unsafe-hashes'; connect-src 'self' ubuntu.com analytics.google.com *.analytics.google.com stats.g.doubleclick.net www.googletagmanager.com sentry.is.canonical.com www.google-analytics.com plausible.io *.crazyegg.com www.facebook.com px.ads.linkedin.com *.snapcraft.io *.snapcraftcontent.com marketplace-analytics.staging.canonical.com marketplace-analytics.canonical.com challenges.cloudflare.com www.google.com; frame-src 'self' td.doubleclick.net www.youtube.com youtube.com asciinema.org player.vimeo.com snapcraft.io www.facebook.com challenges.cloudflare.com snap:; style-src 'self' 'unsafe-inline'; media-src 'self' res.cloudinary.com;", "referrer-policy": "strict-origin-when-cross-origin", "cross-origin-embedder-policy": "unsafe-none", "cross-origin-opener-policy": "same-origin-allow-popups", "cross-origin-resource-policy": "cross-origin", "x-permitted-cross-domain-policies": "none", "vary": "Accept-Encoding", "x-clacks-overhead": "GNU Terry Pratchett", "permissions-policy": "interest-cohort=()", "x-frame-options": "SAMEORIGIN", "x-content-type-options": "NOSNIFF", "strict-transport-security": "max-age=31536000; includeSubDomains", "x-cache-status": "HIT from content-cache-il3/2", "accept-ranges": "bytes" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "x-frame-options": true, "referrer-policy": true, "permissions-policy": true, "cross-origin-opener-policy": true, "cross-origin-embedder-policy": true, "cross-origin-resource-policy": true }, "server": "nginx/1.14.0 (Ubuntu)", "powered_by": "" }, "webpage": { "url": "https://snapcraft.io/", "title": "Snapcraft - Snaps are universal Linux packages", "description": "Snaps are containerised software packages that are simple to create and install. They auto-update and are safe to run. And because they bundle their dependencies, they work on all major Linux systems without modification.", "success": true, "error": "", "status": 206 }, "network": { "185.125.190.20": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "185.125.190.29": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "185.125.190.21": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mx-misc.canonical.com", "ports": [ { "port": 25, "open": false, "time_ms": 6.7, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4103.7, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.2, "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": 83.82 }