CONTINUOUS INTERNET TELEMETRY24H DRIFT1,147 material changesacross 942 domains · -931 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayNOW2,405 curated domains not answering+1,279 vs yesterdayERRORS16,253 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED41,312 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT1,147 material changesacross 942 domains · -931 vs yesterdayDNS DRIFT3 domains changed DNS providertop destination ac.in · -12 vs yesterdayNOW2,405 curated domains not answering+1,279 vs yesterdayERRORS16,253 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED41,312 throttled or blocked our scanner429 rate-limit / 403 bot-block

pydantic.dev

Observed Jul 19, 2026, 06:28 UTC (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withCloudFlare, Inc.
Also usesGoogle Search Console
IPv6 · 5 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat pydantic.dev actually stands on - every host below is a signed observation
pydantic.dev
A / AAAA
104.26.8.129172.67.69.88104.26.9.1292606:4700:20::ac43:4558+2 more
Cloudflareserves the site
NS
adi.ns.cloudflare.commario.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time47 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 3

  • 104.26.8.129
  • 172.67.69.88
  • 104.26.9.129

AAAA 3

  • 2606:4700:20::ac43:4558
  • 2606:4700:20::681a:881
  • 2606:4700:20::681a:981

MX 5

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

TXT 7

  • v=spf1 include:_spf.google.com ~all
  • google-site-verification=lxye2MsYYsZ-OOjfaFQmJD7mTPEu_OD7aDW6cOXpJ9Q
  • oneleet-domain-verification-7ccb3f41-418d-4f04-af9e-e349aafae22d
  • MS=ms92846730
  • v=DMARC1; p=reject; rua=mailto:webmaster+dmarc@pydantic.dev;
  • v=DKIM1; (detected)
  • v=DNSSEC1; (detected)

NS 2

  • adi.ns.cloudflare.com
  • mario.ns.cloudflare.com

SOA 1

  • adi.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (0)

None.

Subdomains (5)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for pydantic.dev. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for pydantic.dev <a href="https://domaindrift.io/t/pydantic.dev"> <img src="https://domaindrift.io/badge/pydantic.dev.svg" width="300" height="64" alt="DomainDrift signed observations for pydantic.dev"> </a>

Ed25519 Receipt

Receipt ID
b57ed993-ca1e-48a4-968f-c2b8a4cd7843
Output Hash
2bc9ce60e35f1e8a4fecd048b581c8292c802f7fd507d5b3fb727d8385115876
Signature
ed25519:cb822a80b1e4a743ee5340a2bc031f0d504631370f29560e2b716213ca81f2dd1a012c6b4ea054d7888ff07c09a497353cc33ff74de1a3d2bac742398e125802
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser