indexo.dev

theoretical-physics.com

.com crawl

First seen 2026-04-18 · Last seen 2026-05-12 · ok HTTP/1.1 200 6693 ms crawled 2026-05-12

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Theoretical Physics Reference
Language
en

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (2)

  • netdna.bootstrapcdn.com×1
  • yui.yahooapis.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2005-04-05
Expires
2027-04-05 320 days left
Updated
2026-03-06
Name servers
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com

DNS records live

NS
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com
  • ns4.linode.com
  • ns5.linode.com
MX
  • 10 mail.theoretical-physics.com

Email authentication weak

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

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.theoretical-physics.com/

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

Links to (3)

Linked from (1)