{
    "ok": true,
    "domain": "ku.edu.tr",
    "generated_at": "2026-08-11T08:29:19-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 70,
        "label": "Fair",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 65,
            "network": 50,
            "availability": 60
        },
        "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": "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": "7 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": "49 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": 0,
                "lost_points": 35,
                "detail": "0 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: ec2-18-197-116-67.eu-central-1.compute.amazonaws.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": 0,
                "lost_points": 40,
                "detail": "HTTP/2 403 "
            },
            {
                "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": "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": "7 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": "49 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": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ec2-18-197-116-67.eu-central-1.compute.amazonaws.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": "error",
                "title": "HTTP response",
                "detail": "HTTP/2 403 ",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "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": [
                "18.197.116.67"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "30 ASPMX3.GOOGLEMAIL.COM.",
                "30 ASPMX2.GOOGLEMAIL.COM.",
                "20 ALT2.ASPMX.L.GOOGLE.COM.",
                "30 ASPMX5.GOOGLEMAIL.COM.",
                "30 ASPMX4.GOOGLEMAIL.COM.",
                "20 ALT1.ASPMX.L.GOOGLE.COM.",
                "10 ASPMX.L.GOOGLE.COM."
            ],
            "TXT": [
                ";; communications error to 69.64.44.20#53: timed out",
                "\"zoho-verification=zb72358058.zmverify.zoho.com\"",
                "\"apple-domain-verification=ZOo0eQQ9QyhMa9TP\"",
                "\"tuKtxr7aLlpwlkVJhcslNbRwqc4IuF/XvtaullVe/kw=\"",
                "\"site24x7-signals-domain-verification=890ba32eacb1b9c76d1af2b5ec4b6730\"",
                "\"v=spf1 ip4:88.255.96.0/24 ip4:66.151.109.0/24 ip4:69.196.242.128/26 ip4:69.196.241.0/28 ip4:46.183.242.192/28 ip4:202.38.144.192/28 ip4:69.196.236.208/28 ip4:23.103.132.0/22 ip4:23.103.136.0/21 ip4:23.103.144.0/20 ip4:23.103.198.0/23 ip4:23.103.200.0/22 \" \"ip4:40.92.0.0/14 ip4:40.107.0.0/17 ip4:52.100.0.0/14 ip4:65.55.88.0/24 ip4:65.55.169.0/24 ip4:94.245.120.64/26 ip4:104.47.0.0/17 ip4:157.55.234.0/24 ip4:157.56.110.0/23 ip4:157.56.112.0/24 ip4:207.46.100.0/24 ip4:207.46.163.0/24 ip4:213.199.154.0/24 \" \"ip4:213.199.180.128/26 ip4:216.32.180.0/23 ip4:20.176.0.0/14 ip4:34.250.117.27/32 ip4:34.250.203.24/32 ip6:2a01:111:f400:7c00::/54 ip6:2a01:111:f400:fc00::/54 ip6:2a01:111:f403::/48 include:_spf.google.com include:spf.protection.outlook.com \" \"include:transmail.net include:amazonses.com include:spf.symplicity.com ~all\"",
                "\"zoho-verification=zb99040165.zmverify.zoho.com\"",
                "\"anthropic-domain-verification-fkygzy=wvP1gqNdMEJ9VEsGycdFqxBLt\"",
                "\"5f1dc5a90dc0457f2d1bab4c02b63503.ku.edu.tr \"",
                "\"google-site-verification=3xUxo9ItnFD0phAc1p_iikgOlIkhAngEnphJwzs3YNg\"",
                "\"parallels-domain-verification=dd54c2687dd44d8abf7c977cb64821c74dcc153af52443a5b6b7da19049ac469\"",
                "\"smartsheet-site-validation=-5EPMRMyWqJ_pXvD2G-eCW6ivCiblpDg\"",
                "\"wiz-domain-verification=4c823e454b38ac39bc5b5359d3d9a2307fc192c61735a57ad5fe61b47c1f5a66\"",
                "\"cisco-ci-domain-verification=26dd45e9a76bf904cbcd6503b8a9cd91771086a9d25953fc476bc28ed735ad65\"",
                "\"google-site-verification=BLaxUjM-XUaOYhiPjsRIpAmVV2-HPySQXdBeQZcJ04M\"",
                "\"zoho-verification=zb38833662.zmverify.zoho.com\"",
                "\"MS=ms93026775\"",
                "\"ZOOM_verify_L5oI_LNJT4WTqmyTKAd77w\"",
                "\"EHoAxik3jNHYFI3hSMPQiutu64BErmF09QAWsGjnk/OWjMnjBYC5t6Ky2Yg0urTU8nehB6+PH94l6f7kAflFGQ==\"",
                "\"atlassian-domain-verification=LE04lkoGDupTA8UHwpULxK0fcc6yHgsBbcSsx7fen3A10Xj6HdXc9bjQacahpafH\"",
                "\"facebook-domain-verification=ou0dmf9fmskd39klmhhobpcggassoe\"",
                "\"smartsheet-site-validation=XJvd-uu6L-6dCOmizNC57chFOrxJQYbR\"",
                "\"U9dCN1QWsJ1zoPFwLMaMVJcQwdTwJ3H5c_W80mrHZ-E\""
            ],
            "NS": [
                "ns01.ku.edu.tr.",
                "ns04.ku.edu.tr.",
                "ns02.ku.edu.tr."
            ],
            "SOA": [
                "ns02.ku.edu.tr. dnsadmin.ku.edu.tr. 2020054284 28800 7200 1209600 1800"
            ],
            "CAA": [
                "0 iodef \"mailto:dnsadmin@ku.edu.tr\"",
                "0 issue \"ssl.com\"",
                "0 issue \"1and1.digitalcertvalidation.com\"",
                "0 issuewild \"digicert.com\"",
                "0 issuewild \"amazon.com\"",
                "0 issue \"sectigo.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issue \"www.digicert.com\"",
                "0 issue \"geotrust.com\"",
                "0 issue \"intermediatecertificate.digitalcertvalidation.com\"",
                "0 issue \"stratossl.digitalcertvalidation.com\"",
                "0 issuewild \"letsencrypt.org\"",
                "0 issue \"digicert.com\"",
                "0 issue \"amazon.com\"",
                "0 issue \"digicert.ne.jp\"",
                "0 issuewild \"sectigo.com\"",
                "0 issue \"thawte.com\"",
                "0 issuewild \"ssl.com\"",
                "0 issue \"volusion.digitalcertvalidation.com\"",
                "0 issue \"rapidssl.com\"",
                "0 issue \"cybertrust.ne.jp\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "18.197.116.67"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:88.255.96.0/24 ip4:66.151.109.0/24 ip4:69.196.242.128/26 ip4:69.196.241.0/28 ip4:46.183.242.192/28 ip4:202.38.144.192/28 ip4:69.196.236.208/28 ip4:23.103.132.0/22 ip4:23.103.136.0/21 ip4:23.103.144.0/20 ip4:23.103.198.0/23 ip4:23.103.200.0/22 ip4:40.92.0.0/14 ip4:40.107.0.0/17 ip4:52.100.0.0/14 ip4:65.55.88.0/24 ip4:65.55.169.0/24 ip4:94.245.120.64/26 ip4:104.47.0.0/17 ip4:157.55.234.0/24 ip4:157.56.110.0/23 ip4:157.56.112.0/24 ip4:207.46.100.0/24 ip4:207.46.163.0/24 ip4:213.199.154.0/24 ip4:213.199.180.128/26 ip4:216.32.180.0/23 ip4:20.176.0.0/14 ip4:34.250.117.27/32 ip4:34.250.203.24/32 ip6:2a01:111:f400:7c00::/54 ip6:2a01:111:f400:fc00::/54 ip6:2a01:111:f403::/48 include:_spf.google.com include:spf.protection.outlook.com include:transmail.net include:amazonses.com include:spf.symplicity.com ~all",
        "dmarc": "v=DMARC1; p=quarantine; rua=mailto:mail-admin@ku.edu.tr; pct=100; adkim=r; aspf=s; rf=afrf; ri=43200; sp=none",
        "dkim_selector": "default",
        "dkim_host": "default._domainkey.ku.edu.tr",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDf/ElN/hlIqrosYoq3DIjtoIedWH1ibHrnAaEE5L+ckBoRNsV1957crPIuxrTe1GmikqC2VxPvD+afEM5EIt7bqTwZ0VE+9VTY/wyFSZOY5HrIE44qlpz7ehZ0xRqFHcu7/lPhC4ToX4R1ITgjC0KigdPY3eoX+eF4KyVERhNeeQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ec2-18-197-116-67.eu-central-1.compute.amazonaws.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "18.197.116.67"
                    ],
                    "time_ms": 197.33
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "18.197.116.67"
                    ],
                    "time_ms": 327.64
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "18.197.116.67"
                    ],
                    "time_ms": 217.34
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "18.197.116.67"
                    ],
                    "time_ms": 825.08
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "18.197.116.67"
                    ],
                    "time_ms": 178.25
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "DigiCert Inc",
        "subject": "*.ku.edu.tr",
        "valid_from": "2025-10-05T19:00:00-05:00",
        "valid_to": "2026-09-29T18:59:59-05:00",
        "days_remaining": 49,
        "san": [
            "*.ku.edu.tr",
            "ku.edu.tr"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
    },
    "http": {
        "url": "https://www.ku.edu.tr/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "server": "CloudFront",
            "date": "Tue, 11 Aug 2026 13:29:10 GMT",
            "content-type": "text/html",
            "content-length": "919",
            "connection": "keep-alive",
            "location": "https://www.ku.edu.tr",
            "x-cache": "Error from cloudfront",
            "via": "1.1 066d5eaaff20d6378af3afe6096d7830.cloudfront.net (CloudFront)",
            "x-amz-cf-pop": "ORD58-P4",
            "x-amz-cf-id": "Fra67muso4leUt5OV5XblauIhm5Hyx9X4XnZgFU7JEn7BujyKYFfdg=="
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "CloudFront",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.ku.edu.tr/",
        "title": "ERROR: The request could not be satisfied",
        "description": "",
        "success": true,
        "error": "",
        "status": 403
    },
    "network": {
        "18.197.116.67": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "ASPMX3.GOOGLEMAIL.COM",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.9,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.8,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4021.1,
                "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",
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