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pydantic.dev

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First seen 2026-04-25 · Last seen 2026-05-19 · ok HTTP/1.1 200 694 ms crawled 2026-05-19

US · 104.26.9.129 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

sector tech type ecommerce

HTML metadata

Title
Pydantic | The end-to-end AI engineering stack
Description
Pydantic is the AI engineering stack for teams building with AI. Observe with Logfire, evaluate with Evals, build type-safe agents with Pydantic AI, and track costs with AI Gateway.
Language
en
Feeds

Open Graph

title
Pydantic | The end-to-end AI engineering stack
description
Pydantic is the AI engineering stack for teams building with AI. Observe with Logfire, evaluate with Evals, build type-safe agents with Pydantic AI, and track costs with AI Gateway.

Technology

CDN
Cloudflare
CMS
Next.js

Social

DNS records live

NS
  • adi.ns.cloudflare.com
  • mario.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • oneleet-domain-verification-7ccb3f41-418d-4f04-af9e-e349aafae22d
  • MS=ms92846730
  • google-site-verification=lxye2MsYYsZ-OOjfaFQmJD7mTPEu_OD7aDW6cOXpJ9Q

Email authentication strong

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:webmaster+dmarc@pydantic.dev;
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApWn/MDQ7MjPWyuzQXzG/TGPgzklPnUhl7rgtrdiep9Dk7QtL2RxdnUEEBPWrxt0yNcyxdpGucrFzqi…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

WE1
from 2026-04-08 to 2026-07-07
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://pydantic.dev/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (1)

Linked from (3)