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Total

DNS

100

Email

Security

Network

100

Availability

Domainposthog.com

IPv41

IPv60

MX records5

StatusActive

Domain technical report

PostHog – We make your product self-driving

posthog.com

PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it.

Generated: 2026-08-10T10:44:59-05:00 · Cached result

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IPv41

IPv60

MX5

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

2 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

✓

MTA-STS5 / 5 pts · Mail

Mail transport policy.

✓

TLS-RPT5 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

62 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

216.150.1.1

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

5 alt2.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
1 aspmx.l.google.com.
5 alt1.aspmx.l.google.com.

TXT

24 record(s)

"google-site-verification=OzoiNToqd-3naAZ8v66RAlu4GFLD83oLYTAFuVkhDJw"
"zapier-domain-verification-challenge=2d19d8f3-abea-4e65-9d76-afc2cfabbea2"
"google-site-verification=JnVdTQN5QXDDrPw09cSFIRwc_hkmVQgwgpyuEUe3qgg"
"hubspot-developer-verification=ZjBiZGU4ZWEtMmQzNS00YTIzLTg1NzktOWFhYmZhZWYyNGRj"
"slack-domain-verification=pJ3bCWRyJrqVBSqaEFOoL5beWxNfWUAdsHqCv7bq"
"google-site-verification=rV-p0xIuoSPKEOsbXiFRdpuRNAIvkmvqUCMKQdQNiQQ"
"google-site-verification=2aAHS6wwKXEihn7xmDkURVERdCE1Ud1oDL257IR1JEY"
"hubspot-developer-verification=NmM3ZGZjOGItMTFkNC00Y2JlLTk2OGMtNWI5NGRlNWE2MTk1"
"warpstream-verification=W8ZSnRMODyyK7db-HsqH0g=="
"stripe-verification=0758FA8B9CFF58AD6C7CA769A4CBCD1F538FD3CAE856ED865B600E0C85F8AF9C"
"google-site-verification=y_lIMB59lFcZyw-aDkPwQH04ErnkAuswbPDI48kj7NU"
"anthropic-domain-verification-fk0e2j=R5tx8jvOBLON93kYQoe7azTT5"
"hubspot-developer-verification=MjAwNTY0MDEtNjg3Zi00ZDYyLWEwMmEtOWRlY2M4NGMwMWEx"
"openai-domain-verification=dv-neQHJF2tLgKhhJ9cppTLIyQX"
"xmpYvq0qq2jlJ41DdaHeshLvvw"
"google-site-verification=HlrzEAPHS7VRZcGfvU39mhF86LLDPz-Nm88y6vEHSUk"
"google-site-verification=XcqIYCKBCZjObwHn5VVmsi92SLnaVx1XYruncLCUldM"
"wiz-domain-verification=3357378f04c747f632241dede60682807fdd2f1cbf17eaad4433626cadba1d34"
"cloudflare_dashboard_sso=bf5bb621cae6f03b04deaeb95a4fbb47"
"MS=ms19564166"
"apple-domain-verification=LVLu2hGeleHVVEIh"
"tiktok-developers-site-verification=lhlLSOG6nN8VhySQd9N00K8kezUO085W"
"google-site-verification=8iSexCUhAjrq9sdND8snbBMQkxgT1uPyuLn8qMKCC3g"
"v=spf1 include:_spf.google.com include:mail.zendesk.com include:servers.mcsv.net include:spf.mandrillapp.com include:amazonses.com include:mailgun.org -all"

NS

2 record(s)

rory.ns.cloudflare.com.
julissa.ns.cloudflare.com.

SOA

1 record(s)

julissa.ns.cloudflare.com. dns.cloudflare.com. 2411316565 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

2371 13 2 6B10C7F2552212822CCDBE84C47E9868DBD71BCFE59ADFC4DBEF02E3 05A17790

DNSKEY

2 record(s)

256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

3 record(s)

TXT 13 2 300 20260811164450 20260809144450 34505 posthog.com. T9evy78Im48ARYSCkWBoBLeMIWIplYQ3Kfxv/0gZPN6zHYuwLbqldQIx EfJblqKk7e2ONuc9juoKLOTd8Q83UQ==
NS 13 2 86400 20260811152449 20260809132449 34505 posthog.com. 2zfjjQGHmh2z/NcXOlGyL719RY2G/DJWvpEhozTL5JAAXq+519m3ORVu UgBZx+42WGUSLTBQTanfzoImDce48A==
DS 13 2 86400 20260815001751 20260807230751 41446 com. ZTM+Q5nUdWSBl3vujstxWzjFSpUi8SqmXoK/S3BLfhF+4bdh0rUItESZ 7eDSi50tUBzs70ZQgs2L7/X8NQEg3Q==

NSEC

1 record(s)

\000.posthog.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:_spf.google.com include:mail.zendesk.com include:servers.mcsv.net include:spf.mandrillapp.com include:amazonses.com include:mailgun.org -all

DMARC

Configured

v=DMARC1; p=quarantine; pct=100; rua=mailto:5c3ccb30d9f64b7583f458d746bd9d5a@dmarc-reports.cloudflare.net,mailto:re+ycfegpkscej@dmarc.postmarkapp.com; aspf=r; adkim=r; sp=reject;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjB0VmsLAs4kZLAsNkDnJU/oPqJ/ZEJlBWX2pWWQUfDE3lqN/vnvl8NzwSKLSMYTw32yYGSTNrv6+cjhrblbJVJh23pGOJjBMB6yaCGPFylQq+xh/ccnBJ86lhOT6DThuMmpE+4OB76RRgn3rbM7iFkjwsjcbI5WqffwIChQak6rN15pQmcEhOTtNaBcw4TaVjFKV2zG5w+oU3LieOREPML2usALz5vrxy3rEv3Bdzh96DqsWEezFHq6xZFDSkdZyJpfQnn/lF1E/DNuQZwjlbwS8za+sgk7nzL9Lrj/Uspc0ZkM/wrbPDCvI4PfbfripJT1SU/d9nqPtW8MDihaRqQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

PostHog – We make your product self-driving

Description

PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it.

Final URL

https://posthog.com/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://posthog.com/

Version

Server

Vercel

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

posthog.com

Valid from

2026-07-14T08:01:32-05:00

Valid until

2026-10-12T08:01:31-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

1 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

216.150.1.1

70,79 ms

Cloudflare

1.1.1.1

216.150.1.1

46,96 ms

Quad9

9.9.9.9

216.150.1.1

31,42 ms

OpenDNS

208.67.222.222

216.150.1.1

32,37 ms

AdGuard

94.140.14.14

216.150.1.1

62,99 ms

IP, geolocation and ASNAssociated network information

216.150.1.1

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

alt2.aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4021.5 ms -

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