{
    "ok": true,
    "domain": "ly.com",
    "generated_at": "2026-08-11T01:29:34-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 76,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 65,
            "network": 35,
            "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": "2 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": "2 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": "2 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": "229 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": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "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": 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": "2 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": "2 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": "2 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": "229 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": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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": "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": [
                "202.90.20.133",
                "117.48.156.229"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 mx1-ly-com.corpsmtp.net.",
                "15 mx1-ly-com.corpsmtp.cn."
            ],
            "TXT": [
                "\"_globalsign-domain-verification=MuGkVMhbdRaQFpCo4qMlsI91tFbrUSdHFHmyrNPlmB\"",
                "\"_globalsign-domain-verification=e86J8uZgoxbZXmtx-PtKYuthgLkFRrBm9-Dpo6ND87\"",
                "\"v=spf1 include:spf.mail.ly.com   include:spf.protection.outlook.com -all\"",
                "\"RbH/oh7M6JHUQ/3zlZIn5Oq6NNOjLvvnWHa8hebPrtI=\"",
                "\"OSSRH-95181\"",
                "\"gradle-verification=E0IGOBNUJI8PUCJJ94VSTLMQVJHAG\"",
                "\"e8585db633c0d6ded04f0621fd8ad81b55ae78bfdb81408e52d31c9e8ad9f982\"",
                "\"apple-domain-verification=ow074AaObP1QOH1f\"",
                "\"xg3nt8rz4sn6kxmkld83d3b14pc605k4\"",
                "\"_globalsign-domain-verification=VlbGAAKRgEPFtMl_b2MmrHy4hKEdn-6sIbd3vCmaym\"",
                "\"04.05.2023\"",
                "\"cursor-domain-verification-4trxzq=MvK4Oxcw1WvXARFdbr2AcFdWc\"",
                "\"8t1d5fw7qd7mgm787s8jy4tdcnxf8lfx\"",
                "\"crq5k0n90hpr5jc6yftbm3ygplh8m1vc\""
            ],
            "NS": [
                "ns4.dnsv4.com.",
                "ns3.dnsv4.com."
            ],
            "SOA": [
                "ns3.dnsv4.com. enterprise2dnsadmin.dnspod.com. 1784102116 3600 180 1209600 180"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [
                "\\000.ly.com. A NS SOA MX TXT AAAA SRV RRSIG NSEC DNSKEY SVCB HTTPS CAA"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "202.90.20.133",
            "117.48.156.229"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:spf.mail.ly.com   include:spf.protection.outlook.com -all",
        "dmarc": "v=DMARC1; p=none; fo=1; ruf=mailto:dmarc_report@ly.com; rua=mailto:dmarc_report@ly.com",
        "dkim_selector": "default",
        "dkim_host": "default._domainkey.ly.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuAgiZVUNToejIp8r8JfnGk3osN6jmjVQtSLWD803Dzo5Afh4wzE0QnJQ/3m2xbxuTAl0c/HDX12wrZVsu87Mc26/t998pNuuoqptX1n6h3N5KCx2FETVqnyJ9SiPKsIkc216oaf2aNHz9KPpCDuXE30EaxaDga7c0vC3rLfHgVb8wt3dal7rJrJ2dQXHFtUWJPkd9a9vCE6hrsu8gNRx6Whw2dUPNJj+b+gmC6A53/OC4ImjmmJTXWYxfTxFNbq0Wksj9QhOvAM2DWDhB1Z0g9EdJD0F/n3f3Ra4PYMmvKSlWhWxudGVXgvxy+1dVzp1jzS7Wh/tuCcwc9i++7SczwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "117.48.156.229",
                        "202.90.20.133"
                    ],
                    "time_ms": 100.13
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "117.48.156.229",
                        "202.90.20.133"
                    ],
                    "time_ms": 97.57
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "117.48.156.229",
                        "202.90.20.133"
                    ],
                    "time_ms": 160.82
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "117.48.156.229",
                        "202.90.20.133"
                    ],
                    "time_ms": 305.44
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "117.48.156.229",
                        "202.90.20.133"
                    ],
                    "time_ms": 80.77
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "GlobalSign nv-sa",
        "subject": "*.ly.com",
        "valid_from": "2026-02-24T01:31:17-06:00",
        "valid_to": "2027-03-28T02:31:16-05:00",
        "days_remaining": 229,
        "san": [
            "*.ly.com",
            "elong.com",
            "ly.cn",
            "travelgo.com",
            "elongstatic.com",
            "tcly.cn",
            "shouji.17u.com",
            "d.elong.cn",
            "*.17u.cn",
            "*.17usoft.com",
            "*.40017.cn",
            "*.17usoft.net",
            "*.elong.com",
            "*.t.ly.com",
            "*.qa.ly.com",
            "*.t.40017.cn",
            "*.t.17usoft.com",
            "*.qa.17usoft.com",
            "*.t.17u.cn",
            "*.qa.17u.cn",
            "*.t.17usoft.net",
            "*.qa.17usoft.net",
            "*.travelgo.com",
            "*.qa.travelgo.com",
            "*.t.travelgo.com",
            "*.elongstatic.com",
            "*.tcly.cn",
            "t.ly.com",
            "www.ly.com",
            "ly.com"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
    },
    "http": {
        "url": "https://www.ly.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "openresty",
            "date": "Tue, 11 Aug 2026 06:29:23 GMT",
            "content-type": "text/html;charset=utf-8",
            "content-length": "166",
            "location": "https://www.ly.com/",
            "x-tefe-result": "0",
            "x-tefe-action": "0",
            "janus-time": "10",
            "janus-cache": "sharedDict",
            "janus-configid": "5df307c79725eb00076de221",
            "p3p": "CP=\"IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT\"",
            "janus-addr": "MjA5LjEyNi4xMDIuMTQz",
            "expires": "Tue, 11 Aug 2026 06:29:23 GMT",
            "cache-control": "max-age=0, no-cache, no-store",
            "pragma": "no-cache",
            "alt-svc": "h3=\":443\"; ma=93600,h3-29=\":443\"; ma=93600",
            "set-cookie": "NCName=%E8%8B%8F%E5%B7%9E; Domain=ly.com; Path=/",
            "server-timing": "ak_p; desc=\"1786429763090_388045831_1255658303_57245_998_6_26_15\";dur=1"
        },
        "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": "openresty",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.ly.com/",
        "title": "同程旅行_旅游_旅游线路_旅行_出国旅游_自驾游_周边游_旅游网站",
        "description": "同程旅行(LY.COM)是一家专业的一站式旅游预订平台，提供近万家景点门票、特价机票、出国旅游、周边游、自驾游及酒店预订服务；专业旅游线路服务、让您的旅行更安心！",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "202.90.20.133": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "117.48.156.229": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "mx1-ly-com.corpsmtp.net",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 23.5,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.2,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4021.3,
                "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": 97.9
}