{
    "ok": true,
    "domain": "coub.com",
    "generated_at": "2026-08-09T01:49:53-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 78,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 81,
            "network": 20,
            "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": "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": 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": "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": "52 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": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "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": "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": "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": "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": "52 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": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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": [
                "95.213.253.92"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "1 aspmx.l.google.com.",
                "5 aspmx2.googlemail.com.",
                "5 aspmx3.googlemail.com.",
                "3 alt1.aspmx.l.google.com.",
                "5 aspmx4.googlemail.com.",
                "5 aspmx5.googlemail.com.",
                "3 alt2.aspmx.l.google.com."
            ],
            "TXT": [
                "\"atlassian-domain-verification=pkahmM3xIbEa00faxSScpw218b29Z7oeUMiOn17sH2v3yOuqVjxMIGbOwL78aCBX\"",
                "\"google-site-verification=YILgkunzazXHlPUY0uMB-PU6KWM9aosmZaekf3x4yMg\"",
                "\"yandex-verification: 5de7f567bbd7ec28\"",
                "\"v=spf1 ip4:212.41.12.227 include:_spf.google.com include:email.freshdesk.com  ~all\"",
                "\"qn2k82bd33ldv5n82mtjd50t0h7d8mqh\""
            ],
            "NS": [
                "ns-762.awsdns-31.net.",
                "ns-189.awsdns-23.com.",
                "ns-1316.awsdns-36.org.",
                "ns-1712.awsdns-22.co.uk."
            ],
            "SOA": [
                "ns-1316.awsdns-36.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "95.213.253.92"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:212.41.12.227 include:_spf.google.com include:email.freshdesk.com  ~all",
        "dmarc": "v=DMARC1; p=quarantine; pct=100;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.coub.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5ftLjyfYqJZh/i+H99djod+fjyapyF4cb/DLw2/xaQHSZLGK9d15ruoRI6aGDV/VzMSN0vvARTrXAWJeqeRDQH5sv8hmn31cSIu6QoSIVmjpJWRgDjgbkoMV4na2cZCNTWl6bQJhvCX5uiLiZcy10ZsolG4PedQS7G+6Ql1zfWdeRUg8xhv5jGrnofPJ7JB/d8yeYbu1TGuYY07aIzrW5d3IPzeeDT/MBfMauhheHN/9n/InBvn696dEWuifTwHfhUuFF3jC9RngGADF8hSkH/2gMp0yPL7+803JBbJAiERPxRwXnzMMoIom3D3G3pPVD6BOm4NoQpiLvJ8A5Gw4PQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "95.213.253.92"
                    ],
                    "time_ms": 55.63
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "95.213.253.92"
                    ],
                    "time_ms": 37.61
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "95.213.253.92"
                    ],
                    "time_ms": 31.44
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "95.213.253.92"
                    ],
                    "time_ms": 52.83
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "95.213.253.92"
                    ],
                    "time_ms": 52.14
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "coub.com",
        "valid_from": "2026-07-02T18:21:49-05:00",
        "valid_to": "2026-09-30T18:21:48-05:00",
        "days_remaining": 52,
        "san": [
            "coub.com",
            "www.coub.com"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
    },
    "http": {
        "url": "https://coub.com/featured/creators",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "nginx",
            "date": "Sun, 09 Aug 2026 06:49:44 GMT",
            "content-type": "text/html; charset=utf-8",
            "location": "https://coub.com/featured/creators",
            "x-frame-options": "ALLOWALL",
            "x-xss-protection": "0",
            "x-content-type-options": "nosniff",
            "x-permitted-cross-domain-policies": "none",
            "referrer-policy": "strict-origin-when-cross-origin",
            "cache-control": "max-age=0, private, must-revalidate",
            "set-cookie": "_cobb_session=7Pph6P0jIfInkYbWcvuN5NU5EoyOBjP2QvM4kJ9LIynLrzlORQgkuWdt2EyeEUvF8MW1Nvk9NjBedZn7%2BEDaF0qOlxSy5JpU1tdeEN%2FYKFne549qL1mkPPNHvIAADF4wL5pPyn2N2b771OECuBNBjKbJhjQ1kmnUP74%2BPhywdA7UA4xUN1WSjo5DGmQ806r7t16cZJRD5UlIdldUmgBb0TwAivL8GYY1m0hsznGHbaoxvoBeAA4msZOpCLejxRdE6HD3%2B7XLBxiJfqUKUmm4QMrNdXaK--XjNCQa0ZBfhqS71N--54ontI1w1Nz4gcl5vfKNNQ%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
            "x-request-id": "f33c0317-4005-4f93-83db-25d6773269e8",
            "x-runtime": "0.034238",
            "strict-transport-security": "max-age=63072000; includeSubDomains",
            "vary": "Accept, Origin",
            "link": "<https://assets-cdn-s.coub.com/assets/coub/pages/featured/featured_page_light-d4d84614ac0a4dcdfc7581e4f5480dc08dd4f9c1ba9e65416d7fbd77581983c7.css>; rel=preload; as=style; nopush,<https://assets-cdn-s.coub.com/assets/coub/core_light-ab8e766d9330f9a1e68e31743b4ca79d2c1e9c4a8285cdffe81c4153a47ac454.css>; rel=preload; as=style; nopush,<https://assets-cdn-s.coub.com/assets/coub/unlogged_light-48413e4121fcc88dfa861115b5ce00892d6a195bb49b7aee6ba1c6c2ec7588ab.css>; rel=preload; as=style; nopush,<https://assets-cdn-s.coub.com/assets/sync_bundle-137875ba5bda6740d438e27c2d124f2faa5703e1bd84446f1e763f2a711ff3ac.js>; rel=preload; as=script; crossorigin=anonymous; nopush,<https://assets-cdn-s.coub.com/assets/site-9af1da15d5e523bcd8dca4092b435fb98be02280b1990ce70da9d254b34d32ae.js>; rel=preload; as=script; crossorigin=anonymous; nopush"
        },
        "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": "nginx",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://coub.com/featured/creators",
        "title": "Top сreators - videos from our featured channels - Coub",
        "description": "Discover top creators selected by the Coub team and enjoy the finest content on the platform",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "95.213.253.92": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 22.3,
                "banner": "220 mx.google.com ESMTP 586e51a60fabf-459f20e6f8bsi5681839fac.300 - gsmtp",
                "error": "No connection"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4019.6,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4020,
                "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": 82.8
}