{
"ok": true,
"domain": "gptzero.me",
"generated_at": "2026-08-10T11:27:57-05:00",
"cache": {
"hit": true,
"ttl": 0
},
"score": {
"total": 85,
"label": "Good",
"categories": {
"dns": 80,
"mail": 90,
"security": 81,
"network": 70,
"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": 10,
"lost_points": 0,
"detail": "3 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": "5 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": "85 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": 35,
"lost_points": 0,
"detail": "Two or more IPv4 addresses receive full points."
},
{
"category": "network",
"title": "IPv6 connectivity",
"max_points": 35,
"earned_points": 35,
"lost_points": 0,
"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": "ok",
"title": "IPv6 (AAAA)",
"detail": "3 IPv6 address(es) detected.",
"category": "dns",
"max_points": 10,
"earned_points": 10,
"lost_points": 0
},
{
"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": "5 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": "85 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": "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": "ok",
"title": "IPv6 connectivity",
"detail": "AAAA availability.",
"category": "network",
"max_points": 35,
"earned_points": 35,
"lost_points": 0
},
{
"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": [
"104.26.9.142",
"172.67.75.154",
"104.26.8.142"
],
"AAAA": [
"2606:4700:20::681a:88e",
"2606:4700:20::ac43:4b9a",
"2606:4700:20::681a:98e"
],
"CNAME": [],
"MX": [
"10 aspmx3.googlemail.com.",
"1 aspmx.l.google.com.",
"5 alt2.aspmx.l.google.com.",
"10 aspmx2.googlemail.com.",
"5 alt1.aspmx.l.google.com."
],
"TXT": [
"\"google-site-verification=bQk9pX1HXuahBOYUNALsidPflGTYxtScuwZppcrGmKI\"",
"\"google-site-verification=FqT7PUqpCvJutLUIJB116yj06op7xMJKIQcljQCFzqE\"",
"\"google-site-verification=daLDR6C7J6Rp2kljp1P7sFqwUQjcKNz76BU8GKPMRAY\"",
"\"MS=701527BEEBEBABDA9F259A24523921D9D25C52F8\"",
"\"google-site-verification=p-_WwIn3FEDiFlpicOu60GsJowklcesHyUopkH4pJe8\"",
"\"google-site-verification=qihOa8ZLbBBp2F8aS9EV_ilE7YPX0WCSSxtIKPo_ziE\"",
"\"anthropic-domain-verification-1f77s8=abWl0lYrPi9fTJXfLkmsaar8y\"",
"\"v=spf1 include:_spf.google.com include:mail.zendesk.com include:24080138.spf01.hubspotemail.net -all\"",
"\"rippling-domain-verification=06d77e780c6ad45d\""
],
"NS": [
"wanda.ns.cloudflare.com.",
"john.ns.cloudflare.com."
],
"SOA": [
"john.ns.cloudflare.com. dns.cloudflare.com. 2411433421 10000 2400 604800 1800"
],
"CAA": [],
"DS": [],
"DNSKEY": [],
"RRSIG": [],
"NSEC": [],
"NSEC3": [],
"SRV": [],
"NAPTR": [],
"TLSA": [],
"SSHFP": []
},
"ipv4": [
"104.26.9.142",
"172.67.75.154",
"104.26.8.142"
],
"ipv6": [
"2606:4700:20::681a:88e",
"2606:4700:20::ac43:4b9a",
"2606:4700:20::681a:98e"
]
},
"mail": {
"spf": "v=spf1 include:_spf.google.com include:mail.zendesk.com include:24080138.spf01.hubspotemail.net -all",
"dmarc": "v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:re+mvpiqtcbrpa@dmarc.postmarkapp.com; aspf=r;",
"dkim_selector": "google",
"dkim_host": "google._domainkey.gptzero.me",
"dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAow1AWrD/h4GVpSQy1kmr21maetBcuYQ6NmLvk7mYSesTjspNVJHLEzaxVv8zNOMZ7mfRtl30SYLFn821zL2LwTjCyuwFv4NhESOIJUIaT+XZLW7ztDrx38DgVPrkZrQdGu4SfYaTuHMienQH9eqoZEHwZNzeqZrgV4ANWKZ7m/zAuUUQrgE2kfMmCLislg3a+uxa1UazXBOtizZo7Y7mnU8CrMMxeTBvF2wOEKOiycM+a3Y1rX4l3yr5EyjdsMBGowwOiSDiKaV+VzZ2IDSXdOYGNEjyJihBu8RT3lWMl9s4FtYR1P46KcMFtydctHFZKgDgqIWFFi6CfoYhEyzpDQIDAQAB",
"spf_analysis": {
"valid": true,
"lookups": 3,
"final": "-all",
"message": "Within the estimated limit"
},
"dmarc_analysis": {
"valid": true,
"policy": "reject"
},
"bimi": "",
"mta_sts": "",
"tls_rpt": ""
},
"advanced": {
"ptr": "",
"propagation": {
"consistent": true,
"results": [
{
"provider": "Google",
"server": "8.8.8.8",
"result": [
"104.26.8.142",
"104.26.9.142",
"172.67.75.154"
],
"time_ms": 47.92
},
{
"provider": "Cloudflare",
"server": "1.1.1.1",
"result": [
"104.26.8.142",
"104.26.9.142",
"172.67.75.154"
],
"time_ms": 26.73
},
{
"provider": "Quad9",
"server": "9.9.9.9",
"result": [
"104.26.8.142",
"104.26.9.142",
"172.67.75.154"
],
"time_ms": 31.58
},
{
"provider": "OpenDNS",
"server": "208.67.222.222",
"result": [
"104.26.8.142",
"104.26.9.142",
"172.67.75.154"
],
"time_ms": 32.12
},
{
"provider": "AdGuard",
"server": "94.140.14.14",
"result": [
"104.26.8.142",
"104.26.9.142",
"172.67.75.154"
],
"time_ms": 136.67
}
]
}
},
"ssl": {
"available": true,
"issuer": "Google Trust Services",
"subject": "gptzero.me",
"valid_from": "2026-08-05T10:35:07-05:00",
"valid_to": "2026-11-03T10:34:56-06:00",
"days_remaining": 85,
"san": [
"gptzero.me",
"*.gptzero.me"
],
"protocol": "TLSv1.3",
"cipher": "TLS_AES_256_GCM_SHA384"
},
"http": {
"url": "https://gptzero.me/",
"status": "HTTP/2 200 ",
"http_version": "3",
"headers": {
"date": "Mon, 10 Aug 2026 16:27:48 GMT",
"content-type": "text/html; charset=utf-8",
"cf-ray": "a2905ebdff02000f-ORD",
"cf-cache-status": "DYNAMIC",
"cache-control": "private, no-cache, no-store, max-age=0, must-revalidate",
"link": "; rel=\"alternate\"; hreflang=\"en\", ; rel=\"alternate\"; hreflang=\"es\", ; rel=\"alternate\"; hreflang=\"fr\", ; rel=\"alternate\"; hreflang=\"de\", ; rel=\"alternate\"; hreflang=\"pt\", ; rel=\"alternate\"; hreflang=\"x-default\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\", ; rel=preload; as=\"font\"; crossorigin=\"\"; type=\"font/woff2\"",
"server": "cloudflare",
"set-cookie": "NEXT_LOCALE=; Path=/; Expires=Mon, 10 Aug 2026 16:27:47 GMT; Max-Age=-1; Domain=gptzero.me; Secure; SameSite=lax",
"strict-transport-security": "max-age=15552000; preload",
"vary": "rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding",
"x-frame-options": "SAMEORIGIN",
"x-xss-protection": "1; mode=block",
"content-security-policy": "frame-ancestors 'none';",
"referrer-policy": "strict-origin-when-cross-origin",
"x-middleware-rewrite": "/en",
"x-powered-by": "Next.js",
"report-to": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=jyi0e%2F4BhbJ7fl4%2FaNdap19slQsXyM6sGVeiStKvLWzI%2BuTeN%2BBDfJicLTxo7uPi%2Flui8%2FtWrU2sthqAyyyeai5fpZk1R5QXPK0KSj3rGIl9aLMP7jc3nOqKvPY%3D\"}]}",
"nel": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}"
},
"security_checks": {
"strict-transport-security": true,
"content-security-policy": true,
"x-content-type-options": false,
"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": "cloudflare",
"powered_by": "Next.js"
},
"webpage": {
"url": "https://gptzero.me/",
"title": "AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini",
"description": "Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.",
"success": true,
"error": "",
"status": 200
},
"network": {
"104.26.9.142": {
"success": false,
"country": "",
"region": "",
"city": "",
"asn": "",
"organization": "",
"isp": ""
},
"172.67.75.154": {
"success": false,
"country": "",
"region": "",
"city": "",
"asn": "",
"organization": "",
"isp": ""
},
"104.26.8.142": {
"success": false,
"country": "",
"region": "",
"city": "",
"asn": "",
"organization": "",
"isp": ""
}
},
"smtp": {
"host": "aspmx3.googlemail.com",
"ports": [
{
"port": 25,
"open": false,
"time_ms": 1.1,
"banner": "",
"error": "Network is unreachable"
},
{
"port": 465,
"open": false,
"time_ms": 4040,
"banner": "",
"error": "Connection timed out"
},
{
"port": 587,
"open": false,
"time_ms": 4015.5,
"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": 93.15
}