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lmfdb.org

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First seen 2026-04-18 · Last seen 2026-05-12 · ok HTTP/1.1 200 2079 ms crawled 2026-05-12

US · 35.241.19.59 · AS396982 Google LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
LMFDB - The L-functions and modular forms database
Description
Welcome to the LMFDB, the database of L-functions, modular forms, and related objects. These pages are intended to be a modern handbook including tables, formulas, links, and references for L-functions and their underlying objects.
Language
en

Technology

Server
gunicorn
CMS
Gatsby
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • cdn.jsdelivr.net×5
  • ajax.googleapis.com×3
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2011-09-02
Expires
2026-09-02 105 days left
Updated
2025-08-17
Name servers
  • ns-cloud-c1.googledomains.com
  • ns-cloud-c2.googledomains.com
  • ns-cloud-c3.googledomains.com
  • ns-cloud-c4.googledomains.com

DNS records live

NS
  • ns-cloud-c1.googledomains.com
  • ns-cloud-c2.googledomains.com
  • ns-cloud-c3.googledomains.com
  • ns-cloud-c4.googledomains.com
TXT
  • google-site-verification=W-HgmEnfaC_ngQXILfQHHZBqmpgjUyzZMbnPTAkwICE

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WR3
from 2026-03-18 to 2026-06-16
Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.lmfdb.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)