{ "ok": true, "domain": "slu.se", "generated_at": "2026-08-10T02:33:11-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 80, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 77, "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": "5 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": 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": 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": "87 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": 12, "lost_points": 23, "detail": "3 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: lb-redirect-ext-1.slu.se" }, { "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": "5 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": "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": "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": "87 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": "3 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 12, "lost_points": 23 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: lb-redirect-ext-1.slu.se", "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": [ "130.238.100.172" ], "AAAA": [], "CNAME": [], "MX": [ "10 slu-se.mail.protection.outlook.com." ], "TXT": [ "\"v=spf1 mx a ip4:130.238.100.6 ip4:178.21.131.158 ip4:91.123.56.128 ip4:193.75.92.154 ip4:82.196.180.210 include:spf.protection.outlook.com include:_spf.netigate.se include:_spf.ungapped.email include:spf-eu.exlibrisgroup.com -all\"", "\"adobe-idp-site-verification=4a1362c206090d7d597cafc7f4a520e4c9a2c203f8f5b7eac51435c7d7d21e26\"", "\"openai-domain-verification=dv-YUoO3Vfe14Paf9LYImkocXDA\"", "\"jamf-site-verification=G5JyEYCZYtvUHrddzhY-tA\"", "\"MS=ms54749657\"", "\"d365mktkey=5eDYpeCwPJQNbcAzzLdYa7sv9L0IAywPxn8ZzN1ohW4x\"", "\"HARICA-Gz5KhvP2DH97inKVR7z\"", "\"apple-domain-verification=9h0ssFopC4YFjuAw\"", "\"d365mktkey=dEkIqZFpzpqo3DuFCSGe9GQcdQ3PZfEGX7bwDH4GmE0x\"", "\"d365mktkey=i2KUqXA30Q88jJeWqewrfiR86tXZV0n99URxFAHTsXEx\"" ], "NS": [ "dns1.slu.se.", "dns3.slu.se.", "dns2.slu.se.", "dns4.slu.se.", "dns5.slu.se." ], "SOA": [ "dns1.slu.se. domainmaster.slu.se. 2025033628 3600 600 1814400 7200" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [ "NSEC 8 2 7200 20260823031137 20260809014137 9573 se. I8/zP5TvFmObRkFAsvw2152BnebW7yg4bpx3WMt7uh/Utk3MF4hU3Jq1 GshQyZ3y6OpRyb9XtqAbFrNLURXyuxqsqM+MzLeTmmcc5s0V7O8h7G/W 1WqHpdxSrNALa/i+3g1JtLrgJHmr8ugmZl2omrVToTVJOADs38ZWKrFC VNXo/fz5R+KKSjRC7EWsSHvzIIpsIaAoIbOnN5ssvRMmpdKGSz+PUNmI PAKlo/5doqRPT3hMlbK9xKtevauyzP3vzk1TN0ET51I/SR6eDD805OSA 3f2CzMiEhcuOhCEl5cOPj2n/7Bp06KRxz6Jy/Wd6YWrhV96V8fkUOEBd yG2REQ==" ], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "130.238.100.172" ], "ipv6": [] }, "mail": { "spf": "v=spf1 mx a ip4:130.238.100.6 ip4:178.21.131.158 ip4:91.123.56.128 ip4:193.75.92.154 ip4:82.196.180.210 include:spf.protection.outlook.com include:_spf.netigate.se include:_spf.ungapped.email include:spf-eu.exlibrisgroup.com -all", "dmarc": "v=DMARC1; p=none; rua=mailto:dmarc@slu.se", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.slu.se", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3IFWfqlLzr556/A9/WkPdt5t8voLSRhgbKlj8lyvEuKCjIm+5lQUi9J5SgvzivmTst+WMdYzOeNQXdpHtoUEvuxurT5jYd9AHhFa+1zMMY+XN/ACGvOr3KkEXoFd+SXBw68DgCaueUAqOt5kjeZnfxl0Orsr/VmnJ8/08UnFcZ0P2Y20eP8RZrrRKJk9ctb5CsCpCSIuiuMHbOIoQUocwN9kYwIHffoqDfmPWD81CoBEiIfcuypRxiEwBPNGC4AoIZXZehJwW0ibxNMgnDZnbRFLKS4dPSsnNqEH2AEhE3vRUOvQiUsqB5UEBc8hpQmfua0USu5EdsUW8evjHgT7KQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 6, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "lb-redirect-ext-1.slu.se", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "130.238.100.172" ], "time_ms": 173.72 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "130.238.100.172" ], "time_ms": 194.11 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "130.238.100.172" ], "time_ms": 288.46 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "130.238.100.172" ], "time_ms": 651.06 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "130.238.100.172" ], "time_ms": 240.15 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "www.slu.se", "valid_from": "2026-08-07T03:40:53-05:00", "valid_to": "2026-11-05T02:40:52-06:00", "days_remaining": 87, "san": [ "internt.slu.se", "slu.se", "student.slu.se", "www.artdatabanken.se", "www.slu.se", "www.universitetsdjursjukhuset.se" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.slu.se/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "connection": "close", "content-type": "text/html; charset=utf-8", "x-frame-options": "SAMEORIGIN", "x-xss-protection": "1; mode=block", "x-content-type-options": "nosniff", "location": "https://www.slu.se", "content-length": "169", "cache-control": "no-cache,no-store", "pragma": "no-cache", "expires": "-1", "server": "Microsoft-IIS/10.0", "strict-transport-security": "max-age=31536000; includeSubDomains", "set-cookie": "EPI-Prod=2405859025.1.0.2294352385; path=/; httponly;secure ;", "x-powered-by": "ASP.NET", "date": "Mon, 10 Aug 2026 07:33:01 GMT" }, "security_checks": { "strict-transport-security": true, "content-security-policy": false, "x-content-type-options": true, "x-frame-options": true, "referrer-policy": false, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "Microsoft-IIS/10.0", "powered_by": "ASP.NET" }, "webpage": { "url": "https://www.slu.se/", "title": "SLU – Science and Education for Sustainable Life", "description": "SLU, Sveriges lantbruksuniversitet, utvecklar genom utbildning, forskning och miljöanalys kunskapen om de biologiska naturresurserna och människans hållbara användning av dessa.", "success": true, "error": "", "status": 200 }, "network": { "130.238.100.172": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "slu-se.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 24.3, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4024.6, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4040, "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": 98.5 }