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"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": "66 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: marun.srce.hr", "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/1.1 200 OK", "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": [ "161.53.2.88" ], "AAAA": [], "CNAME": [], "MX": [ "5 regoc.srce.hr." ], "TXT": [ "\"HARICA-Z3c4vy8A5xoFIO4gn31\"", "\"google-site-verification=xXXxOTUT5VCMZrhikz8wmxK-NQjZwtSp_xb7GBiWDxg\"", "\"atlassian-domain-verification=LpmHrbKiwsx7cCQQyVgfjVIah177gGFOsb3i0j/v6VQvtvVcrRRXh/7CvU4aIovR\"", "\"v=spf1 ip4:161.53.252.0/22 ip4:161.53.0.0/22 ip4:193.198.155.0/24 ip6:2001:b68:c::/46 mx mx:cro-ngi.hr mx:isvu.hr include:servers.mcsv.net ~all\"", "\"oneuptime-verification-HysCzTIiUPQvhIWptUxC\"", "\"MS=ms29497655\"", "\"google-site-verification=xev9La9v8MGmIOFF8UNVWuTVOmQJWYv2dX-bggWndvs\"" ], "NS": [ "regoc.srce.hr.", "oleh.srce.hr.", "bjesomar.srce.hr." ], "SOA": [ "regoc.srce.hr. dns.srce.hr. 2026072801 1200 300 2419200 3600" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [ "10 100 \"S\" \"SIP+D2T\" \"\" _sip._tcp.srce.hr.", "20 100 \"S\" \"SIP+D2U\" \"\" _sip._udp.srce.hr.", "30 100 \"S\" \"SIPS+D2T\" \"\" _sips._tcp.srce.hr." ], "TLSA": [], "SSHFP": [] }, "ipv4": [ "161.53.2.88" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:161.53.252.0/22 ip4:161.53.0.0/22 ip4:193.198.155.0/24 ip6:2001:b68:c::/46 mx mx:cro-ngi.hr mx:isvu.hr 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"provider": "Cloudflare", "server": "1.1.1.1", "result": [ "161.53.2.88" ], "time_ms": 164.68 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "161.53.2.88" ], "time_ms": 149.87 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "161.53.2.88" ], "time_ms": 500.89 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "161.53.2.88" ], "time_ms": 169.33 } ] } }, "ssl": { "available": true, "issuer": "Hellenic Academic and Research Institutions CA", "subject": "www.srce.hr", "valid_from": "2025-10-15T01:26:53-05:00", "valid_to": "2026-10-15T01:26:53-05:00", "days_remaining": 66, "san": [ "www.srce.hr", "srce.hr" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.srce.unizg.hr/", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "date": "Mon, 10 Aug 2026 00:34:30 GMT", "server": "Apache", "location": "https://www.srce.unizg.hr/", "cache-control": "must-revalidate, no-cache, private", "expires": "Sun, 19 Nov 1978 05:00:00 GMT", "content-type": "text/html; charset=UTF-8", "x-drupal-dynamic-cache": "HIT", "link": "; rel=\"manifest\", ; rel=\"apple-touch-icon\"", "content-language": "hr", "x-content-type-options": "nosniff", "x-frame-options": "SAMEORIGIN", "x-generator": "Drupal 10 (https://www.drupal.org)", "x-drupal-cache": "UNCACHEABLE (response policy)", "x-xss-protection": "1; mode=block", "strict-transport-security": "max-age=31536000; includeSubDomains", "referrer-policy": "strict-origin" }, "security_checks": { "strict-transport-security": true, "content-security-policy": false, "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": "Apache", "powered_by": "" }, "webpage": { "url": "https://www.srce.unizg.hr/", "title": "Srce | Sveučilišni računski centar (Srce)", "description": "", "success": true, "error": "", "status": 200 }, "network": { "161.53.2.88": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "regoc.srce.hr", "ports": [ { "port": 25, "open": false, "time_ms": 133.9, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 260.6, "banner": "", "error": "No connection" }, { "port": 587, "open": false, "time_ms": 127.5, "banner": "220 smtp.srce.hr ESMTP Postfix (Debian/GNU)", "error": "No connection" } ] }, "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": 118.93 }