{
    "ok": true,
    "domain": "ica.gov.sg",
    "generated_at": "2026-08-10T20:50:43-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 83,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 70,
            "security": 84,
            "network": 65,
            "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": "3 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": "12 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": 15,
                "lost_points": 0,
                "detail": "DS and DNSKEY detected."
            },
            {
                "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": "4 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": 0,
                "lost_points": 20,
                "detail": "No tested DKIM selector responded."
            },
            {
                "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": "61 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": 19,
                "lost_points": 16,
                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: ec2-18-142-191-4.ap-southeast-1.compute.amazonaws.com"
            },
            {
                "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": "3 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": "12 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": "ok",
                "title": "DNSSEC chain",
                "detail": "DS and DNSKEY detected.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0
            },
            {
                "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": "4 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": "error",
                "title": "DKIM",
                "detail": "No tested DKIM selector responded.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 0,
                "lost_points": 20
            },
            {
                "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": "61 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": "5 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ec2-18-142-191-4.ap-southeast-1.compute.amazonaws.com",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "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": [
                "18.142.191.4",
                "52.76.28.97",
                "13.215.110.163"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 mx1.sgict.gov.sg.",
                "20 mx2.sgict.gov.sg.",
                "60 mx4.sgict.gov.sg.",
                "50 mx3.sgict.gov.sg."
            ],
            "TXT": [
                "\"_globalsign-domain-verification=NeevHijhSxg8kXqDrup4ZZUnyTAXARglwy25O148oI\"",
                "\"MS=ms97745228\"",
                "\"_globalsign-domain-verification=pF-nHqIVHA7HT2t9Hmh_pE5Mh5hUsrg2BjRhb2tAik\"",
                "\"_86zcgm5u9ob8uty8osfsvg9lf32sdic\"",
                "\"v=spf1 include:support.gov.sg include:spf.protection.outlook.com -all\"",
                "\"MS=ADD6F4AFB84FF4E024C778F2BC1ED3DE87495FF5\"",
                "\"openatts a=dns-did; p=did:ethr:0x2179A5b8A81582c77bc8918C17c88aCd70F40c2B#controller; v=1.0;\"",
                "\"apple-domain-verification=b6QTB8eSSXMtewJw\""
            ],
            "NS": [
                "a8-64.akam.net.",
                "ns12.gdnsec.com.",
                "ns10.gdnsdef.com.",
                "ns3.gdnsec.com.",
                "a9-65.akam.net.",
                "ns9.gdnsec.com.",
                "ns12.gdnsdef.com.",
                "a2-65.akam.net.",
                "a20-66.akam.net.",
                "a3-67.akam.net.",
                "a1-6.akam.net.",
                "ns7.gdnsdef.com."
            ],
            "SOA": [
                "gccin3psicnsp01.sgnet.gov.sg. root.pridns.gov.sg. 2014045872 10800 1080 2419200 900"
            ],
            "CAA": [],
            "DS": [
                "63092 8 2 825D30041C5D5F9E0EDE1E3E291434EACBA088BAF24F45F449A95C00 73154650",
                "29284 8 2 73D852E6222F3D3C24F2F56F75D2D27F90F1087EEBB62F4C91CEF8EC F80CA42E"
            ],
            "DNSKEY": [
                "256 3 8 AwEAAaPhYBx/UyERsJc0UzEqwZG5qzZ67KrHLvGjaQTo/a6NFj20zbsx GiTIfI0ZapWxlMTGVu5lL1hpSYDuqdS33kxCVw/D+Itk/YV1ID1Dio0Y hAeR9W4hyNvqIkZAnsWORwxnc/klbrhNw2Vbz+It8MinT7TJFX/bUf6q GvfYEEVr",
                "256 3 8 AwEAAbPGo3LPemrf/mnc1mL0i/YBqzS/U+nCmk58rV4WgE+99NPAJzk0 5i/a0S6X01eMlg+4dGjIRTH/HU2MLvQZW00J/43Em2mbpMeYdx1OziBJ 02th7suWji7a8Da7OFoLA05mjDrDCe5o/QgEevJmmMo/8ur0XMW/5gOU qechgCB7",
                "257 3 8 AwEAAd4dHbK9uN5+JodSVXRQPkbut3iAF34tSnko1wdTbp/ZgMgankGm jmogLIyexm3sMzb94iFBfOcMqtf+Vk/rhK0gywBVW73ffL04NOtgOzOF zeiIY8v5ICmwNEkG6ernHDx1FYKQbzjnOHBwqhKZ0T7nQnTtzOwa68h+ wknF7ssf3UqwP6FkQwRgGrsIKJwwttZzRuYTV5vECVbNk2bj8M72BBiN HFWsiFxEnxFyBT3YWOQPGUWSkUVcS0Ttra4eFhbLZi2HujPELdIFSWF2 gfqUYpxxL4qwnJz/Wei631SnHhCpl4J8yDh1vnnyoOX49mPKpnYxZz8x rgYrFdUA+8E=",
                "257 3 8 AwEAAbcTEBTVvfzsai3RhJHpZPookKnlCiTvZPrEtu0QEojbCiZcWe16 Z4+u3OoRkJpTGblNu2SwzY1c1YBeYuvaXY5q7gWvZCvDjnUBDRrqM3hI 6GidqltY9r2EV6J1XoFNEULiVx/Qk+tnHa+CP8yqH3Lgr7TM66kIgj6k SZwn3Auw7v0sBfApDjLRoE3oZUJvu49S1eSlrzzvxG7TGaXHrLjOkzNP Bs7lcFZSV3uePyDCAse+a73k9OPik31CW5sLDx8LEgV6Y1Lhq2QHdY/Q rtXlbSXM7be6OsDnQsav+OTJYN/XkHKCzSPpb5tFot6I7j7i+N45vH8s c1i+drLGRpc="
            ],
            "RRSIG": [
                "NS 8 3 14400 20260818001216 20260810235804 30570 ica.gov.sg. byYC6Go48y9CPG7vOl7Z6PYvojhkLZJGFXke1FcX6NKjBjtHrB0Ra3Gj SLjiUY7lvevE8kIz/dbxllMC+qt0NIH11X6lfh/ZDMdPUw0DCRmUmH5q ml5MEju0ef1huw9pVlxdOKEXQBI7fkqMGXq9z9hrfbfqbXCCZ7pSJqr2 0dg=",
                "TXT 8 3 3600 20260818001216 20260810235804 30570 ica.gov.sg. BsR8gDMVppkUKwWTZSDv3RP5U45RqST9g1Kf5fA/EDzpJ3UfU2Epg4me +li0LUxk0G8SL4hwNa5WHhjx1sV49RRIOE8GM00slhsORJCaHYpwYSE4 6TAjCBaA/Cj+5ah1VW8BbPpmMRN/wOxj7Wk4/sVzf9GtMI7F+obdQwrV Ikg=",
                "DS 8 3 3600 20260816192048 20260810010026 46275 gov.sg. bBpilgvsJOekueiCM6x97hQYB5mSmVeG8iIVwsJrEz7q3tCxXTDWFFVm TsaOmNpWq8fGFvWPwaNlP5lGLd1Wk813wySF+fpxvWFWZlSjMAzfYwaN Davy1AeFY6idtZl2BVsqJLmPb/sX/7ynp5GAnkt0pe9JZqXQljbV9FIy uPlE/WGtfFvBAMmk5PT7U2X44ZO1ERRmarYkhk/K8u5WmTnGC0bkvpxt gVuvMmVDZCFjOxq6tcvzVtU9fu79cs5DSxWhWC4howKS361+FQKGx+aP P+xU9OilydxsoFN3uRU0j7r6TA4h0wmqO40SQK3So4rXxgUy2ZMYvbR2 dJ5IkQ==",
                "MX 8 3 14400 20260816065804 20260809061604 30570 ica.gov.sg. kghP/cciUWAAxwTFIK8AzHsHDT/QFGe+uR4OBQYM2nd2lufsaCfIn6WM qffIPpDnHQPTEhVZ7JA0UsmkIRNuWtpD2m13uANdiafQ3ttgni+tpmVY XfgGp113EpI+64dMLHlMWg6+00/RbnLR2RqlqWFiBuzyy6VgHNcywesU WKc="
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "18.142.191.4",
            "52.76.28.97",
            "13.215.110.163"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:support.gov.sg include:spf.protection.outlook.com -all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:ica-htx-cs-notification@ica.gov.sg;  ruf=mailto:ica-htx-cs-notification@ica.gov.sg; fo=1",
        "dkim_selector": "x",
        "dkim_host": "",
        "dkim": "",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ec2-18-142-191-4.ap-southeast-1.compute.amazonaws.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "13.215.110.163",
                        "18.142.191.4",
                        "52.76.28.97"
                    ],
                    "time_ms": 83.62
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "13.215.110.163",
                        "18.142.191.4",
                        "52.76.28.97"
                    ],
                    "time_ms": 213.83
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "13.215.110.163",
                        "18.142.191.4",
                        "52.76.28.97"
                    ],
                    "time_ms": 73.27
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "13.215.110.163",
                        "18.142.191.4",
                        "52.76.28.97"
                    ],
                    "time_ms": 101.57
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "13.215.110.163",
                        "18.142.191.4",
                        "52.76.28.97"
                    ],
                    "time_ms": 123.86
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "ica.gov.sg",
        "valid_from": "2026-07-13T05:17:38-05:00",
        "valid_to": "2026-10-11T05:17:37-05:00",
        "days_remaining": 61,
        "san": [
            "ica.gov.sg"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.ica.gov.sg/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "nginx",
            "date": "Mon, 10 Aug 2026 08:02:22 GMT",
            "content-type": "text/html; charset=utf-8",
            "content-length": "51171",
            "connection": "keep-alive",
            "location": "https://www.ica.gov.sg/",
            "strict-transport-security": "max-age=31536000; includeSubDomains",
            "x-content-type-options": "nosniff",
            "cache-control": "no-cache",
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