indexo.dev

opentheory.net

.net crawl

First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 2432 ms crawled 2026-05-10

US · 75.119.206.69 · AS26347 New Dream Network, LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Opentheory.net – Speculations on the Frontiers of Science and Culture
Language
en-US
Feeds

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×3
  • gmpg.org×1

Registration

Registrar
DreamHost, LLC
Created
2004-06-11
Expires
2027-06-11 387 days left
Updated
2025-04-12
Name servers
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com

DNS records live

NS
  • ns1.dreamhost.com
  • ns2.dreamhost.com
  • ns3.dreamhost.com
MX
  • 20 monday-relay.mxrouting.net

Email authentication weak

SPF
v=spf1 include:mxroute.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://opentheory.net/

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

Links to (2)

Linked from (2)