{
"ok": true,
"domain": "thisamericanlife.org",
"generated_at": "2026-08-09T12:18:49-05:00",
"cache": {
"hit": true,
"ttl": 0
},
"score": {
"total": 84,
"label": "Good",
"categories": {
"dns": 80,
"mail": 90,
"security": 77,
"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": "2 IPv4 address(es) detected."
},
{
"category": "dns",
"title": "IPv6 (AAAA)",
"max_points": 10,
"earned_points": 10,
"lost_points": 0,
"detail": "2 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": "75 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": 12,
"lost_points": 23,
"detail": "3 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": "2 IPv4 address(es) detected.",
"category": "dns",
"max_points": 30,
"earned_points": 30,
"lost_points": 0
},
{
"level": "ok",
"title": "IPv6 (AAAA)",
"detail": "2 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": "75 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": "3 of 9 evaluated headers detected.",
"category": "security",
"max_points": 35,
"earned_points": 12,
"lost_points": 23
},
{
"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": [
"172.66.134.147",
"172.66.138.241"
],
"AAAA": [
"2606:4700:10::ac42:8693",
"2606:4700:10::ac42:8af1"
],
"CNAME": [],
"MX": [
"10 alt3.aspmx.l.google.com.",
"5 alt2.aspmx.l.google.com.",
"10 alt4.aspmx.l.google.com.",
"5 alt1.aspmx.l.google.com.",
"1 aspmx.l.google.com."
],
"TXT": [
"\"v=spf1 include:_spf.google.com include:servers.mcsv.net a:smtp5.volusion.com ~all\"",
"\"google-site-verification=wGQ3eAlJ5TC6yCefPFplt1PFdxYzPN2FaTPOpzP4uEc\""
],
"NS": [
"ivy.ns.cloudflare.com.",
"john.ns.cloudflare.com."
],
"SOA": [
"ivy.ns.cloudflare.com. dns.cloudflare.com. 2410560907 10000 2400 604800 1800"
],
"CAA": [],
"DS": [],
"DNSKEY": [],
"RRSIG": [],
"NSEC": [],
"NSEC3": [],
"SRV": [],
"NAPTR": [],
"TLSA": [],
"SSHFP": []
},
"ipv4": [
"172.66.134.147",
"172.66.138.241"
],
"ipv6": [
"2606:4700:10::ac42:8693",
"2606:4700:10::ac42:8af1"
]
},
"mail": {
"spf": "v=spf1 include:_spf.google.com include:servers.mcsv.net a:smtp5.volusion.com ~all",
"dmarc": "v=DMARC1; p=none; pct=100",
"dkim_selector": "google",
"dkim_host": "google._domainkey.thisamericanlife.org",
"dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtWC3W1+1wP4lo4GPoBhAwT8k+jPmONBb43G0iBGWeWmdRHiMLahp1FKxgCDp2VvpLc2qgp/l+4xoaN8gjuRug2+BmfkXYfC+J6ZCGApu2RK7m1Tjuu91i4VL6tsj7HTuwe5V+Rbu1kpu+EaxMMtTfdNzkY0YW8SE0djikQDkBbG1m9M8RGFv8GzMZVgX7ljCDEI6v6ivdSJj2ld5KOzuYAGxLss0QGek7SRyOeagpGNIzXoGCWgDcs43729Sxi9tZtUYt7YiZU9eGS72QnmR8Dd1j1apIxslNE5Lh6HCsA+XDI03ZnQxms2xPtIvG+TS6dVzayDF4F1nY9x1MocRywIDAQAB",
"spf_analysis": {
"valid": true,
"lookups": 3,
"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": [
"172.66.134.147",
"172.66.138.241"
],
"time_ms": 41.28
},
{
"provider": "Cloudflare",
"server": "1.1.1.1",
"result": [
"172.66.134.147",
"172.66.138.241"
],
"time_ms": 24.28
},
{
"provider": "Quad9",
"server": "9.9.9.9",
"result": [
"172.66.134.147",
"172.66.138.241"
],
"time_ms": 29.99
},
{
"provider": "OpenDNS",
"server": "208.67.222.222",
"result": [
"172.66.134.147",
"172.66.138.241"
],
"time_ms": 32.85
},
{
"provider": "AdGuard",
"server": "94.140.14.14",
"result": [
"172.66.134.147",
"172.66.138.241"
],
"time_ms": 221.92
}
]
}
},
"ssl": {
"available": true,
"issuer": "Google Trust Services",
"subject": "thisamericanlife.org",
"valid_from": "2026-07-26T01:57:39-05:00",
"valid_to": "2026-10-24T02:57:36-05:00",
"days_remaining": 75,
"san": [
"thisamericanlife.org",
"*.thisamericanlife.org"
],
"protocol": "TLSv1.3",
"cipher": "TLS_AES_256_GCM_SHA384"
},
"http": {
"url": "https://www.thisamericanlife.org/",
"status": "HTTP/2 200 ",
"http_version": "3",
"headers": {
"date": "Sun, 09 Aug 2026 17:18:40 GMT",
"content-type": "text/html; charset=utf-8",
"location": "https://www.thisamericanlife.org/",
"server": "cloudflare",
"cf-ray": "a2886bd9dee25c93-ORD",
"cache-control": "no-cache, must-revalidate",
"content-language": "en",
"expires": "Sun, 19 Nov 1978 05:00:00 GMT",
"link": "; rel=\"canonical\",; rel=\"shortlink\"",
"strict-transport-security": "max-age=300",
"x-content-type-options": "nosniff",
"x-frame-options": "SAMEORIGIN",
"x-pantheon-styx-hostname": "styx-us-a-7ffbcf568d-hxgd2",
"x-styx-req-id": "5d0ff722-9416-11f1-8e3c-1a210fde78be",
"x-served-by": "cache-chi-klot8100100-CHI",
"x-cache": "MISS",
"x-cache-hits": "0",
"x-timer": "S1786295920.660147,VS0,VE477",
"vary": "Accept-Encoding, Cookie",
"age": "0",
"via": "1.1 varnish",
"cf-cache-status": "DYNAMIC"
},
"security_checks": {
"strict-transport-security": true,
"content-security-policy": false,
"x-content-type-options": true,
"x-frame-options": true,
"referrer-policy": false,
"permissions-policy": false,
"cross-origin-opener-policy": false,
"cross-origin-embedder-policy": false,
"cross-origin-resource-policy": false
},
"server": "cloudflare",
"powered_by": ""
},
"webpage": {
"url": "https://www.thisamericanlife.org/",
"title": "This American Life",
"description": "A weekly public radio program and podcast. Each week we choose a theme and put together different kinds of stories on that theme.",
"success": true,
"error": "",
"status": 200
},
"network": {
"172.66.134.147": {
"success": false,
"country": "",
"region": "",
"city": "",
"asn": "",
"organization": "",
"isp": ""
},
"172.66.138.241": {
"success": false,
"country": "",
"region": "",
"city": "",
"asn": "",
"organization": "",
"isp": ""
}
},
"smtp": {
"host": "alt3.aspmx.l.google.com",
"ports": [
{
"port": 25,
"open": false,
"time_ms": 0.5,
"banner": "",
"error": "Network is unreachable"
},
{
"port": 465,
"open": false,
"time_ms": 4017.3,
"banner": "",
"error": "Connection timed out"
},
{
"port": 587,
"open": false,
"time_ms": 4020.7,
"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": 91.89
}