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Categories: Artificial Intelligence

Tags: Teams

Documentation for the Pydantic stack. Validate data with Pydantic Validation, build production AI agents with Pydantic AI, and monitor LLM calls, agent behavior, and costs with Pydantic Logfire.

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Updated: 2026-09-03 15:33 Language: English (default) Access: Normal

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Pydantic Docs Full homepage screenshot

Website Overview

The available information shows a mix of normal operation and configuration gaps. Depending on how the website is used, these gaps may affect secure access or the consistency of its public presentation.

Domain and Registration

Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain has about 4 years of registration history; its current configuration provides more context than age alone. The registrar is CloudFlare, Inc., a widely used domain service provider. The domain uses the common .dev extension, which is not an independent safety signal.

DNS and Email

Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace email service. DNSSEC is enabled, allowing validating resolvers to authenticate signed DNS data. No CNAME was found; the observed records resolve directly to addresses. SPF and DMARC are configured. DKIM status is unknown.

TLS and Certificates

The public key uses EC with 256 bits. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.

HTTP and Browser Security

The response lacks these common security headers: HSTS, CSP, Permissions-Policy, clickjacking protection. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers.

Technology Stack Analysis

The public page identifies Tailwind CSS, Google Analytics, Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

The meta description has 194 characters and may be shortened in search results. Twitter Card metadata is configured. JSON-LD includes Organization data, helping describe the organization as an entity. The title has 46 characters, within a common display range. The observed directives allow indexing and link following.

Hosting and Email

DNSCloudflare
HostingCloudflare
EmailGoogle Workspace
Location Location unknown 104.26.8.129

Pages, Search and Sharing

Meta descriptionPydantic is the AI engineering stack for teams building with AI. Observe with Logfire, evaluate with Pydantic Evals, build type-safe agents with Pydantic AI, and track LLM costs with AI Gateway.
Canonical URLhttps://pydantic.dev/
LanguageEnglish (default)
Twitter Cardsummary_large_image

Social Sharing Preview

9 fields

robots.txt (opens in a new tab)

8 rules
All bots 1 allowed · 0 disallowed
  • Allow/
chatgpt-user 1 allowed · 0 disallowed
  • Allow/
claudebot 1 allowed · 0 disallowed
  • Allow/
google-extended 1 allowed · 0 disallowed
  • Allow/
perplexitybot 1 allowed · 0 disallowed
  • Allow/
gptbot 1 allowed · 0 disallowed
  • Allow/
ccbot 1 allowed · 0 disallowed
  • Allow/
bytespider 1 allowed · 0 disallowed
  • Allow/

Sitemaps

2

Registration details RDAP / WHOIS

RegistrarCloudFlare, Inc.
Registered2022-04-24
Expires2027-04-24
Domain statusclient transfer prohibited
Nameserversadi.ns.cloudflare.com、mario.ns.cloudflare.com
DNSSECsigned

DNS records

TypeNameValueTTLPriority
Apydantic.dev104.26.8.129300—
Apydantic.dev104.26.9.129300—
Apydantic.dev172.67.69.88300—
AAAApydantic.dev2606:4700:20::681a:881300—
AAAApydantic.dev2606:4700:20::681a:981300—
AAAApydantic.dev2606:4700:20::ac43:4558300—
MXpydantic.devaspmx.l.google.com3001
MXpydantic.devalt1.aspmx.l.google.com3005
MXpydantic.devalt2.aspmx.l.google.com3005
MXpydantic.devalt3.aspmx.l.google.com30010
MXpydantic.devalt4.aspmx.l.google.com30010
NSpydantic.devadi.ns.cloudflare.com86400—
NSpydantic.devmario.ns.cloudflare.com86400—
TXTpydantic.devMS=ms92846730300—
TXTpydantic.devgoogle-site-verification=lxye2MsYYsZ-OOjfaFQmJD7mTPEu_OD7aDW6cOXpJ9Q300—
TXTpydantic.devoneleet-domain-verification-7ccb3f41-418d-4f04-af9e-e349aafae22d300—
TXTpydantic.devv=spf1 include:_spf.google.com ~all300—
DSpydantic.dev2371 13 2 e606ba8a6c15641166889e14ae49527b08b1517ddf0c556b660225991730e6c61800—
DMARC_dmarc.pydantic.devv=DMARC1; p=reject; rua=mailto:[email protected];300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectpydantic.dev
IssuerGoogle Trust Services
Valid until2026-11-02T18:05 · Remaining when checked: 60 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controlpublic, max-age=0, must-revalidate
servercloudflare
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
access-control-allow-origin*

Identified technologies

Tailwind CSSGoogle AnalyticsCloudflare

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