tiangolo.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 775 ms crawled 2026-05-18

US · 172.67.146.166 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Home - tiangolo's boring personal website
Description: Stuff by tiangolo
Language: en
Generator: zensical-0.0.42
Canonical: https://tiangolo.com/

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Fonts

Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×1
fonts.gstatic.com×1
github.com×1
static.cloudflareinsights.com×1

Social

Registration

Registrar

Cloudflare, Inc.

Created

2018-10-18

Expires

2026-10-18 152 days left

Updated

2025-09-18

Name servers

adrian.ns.cloudflare.com
alec.ns.cloudflare.com

DNS records live

NS

adrian.ns.cloudflare.com
alec.ns.cloudflare.com

MX

10 mx1.forwardemail.net
10 mx2.forwardemail.net

TXT

google-site-verification=Z7sEY7zQTm_180u0oBLz-lLkAUweKo4_QXk_r2ms0lk
forward-email=tiangolo@gmail.com

Email authentication partial

SPF: v=spf1 include:spf.mailjet.com -all
strict (-all)
DMARC: v=DMARC1; p=none; rua=mailto:443a7f23735e4f198be45876a55e3228@dmarc-reports.cloudflare.net
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-05-08 to 2026-08-06

Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://tiangolo.com/

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