indexo.dev

mattmahoney.net

.net crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 4656 ms crawled 2026-05-19

US · 20.119.76.151 · AS8075 Microsoft Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Matt Mahoney's Home Page

Technology

Server
LiteSpeed

Registration

Registrar
Tucows Domains Inc.
Created
2002-08-29
Expires
2026-08-29 100 days left
Updated
2025-07-31
Name servers
  • ns1.turbify.com
  • ns2.turbify.com

DNS records live

NS
  • ns1.turbify.com
  • ns2.turbify.com
MX
  • 20 mx-biz.mail.am0.yahoodns.net
  • 30 mx-biz.mail.am0.yahoodns.net

Email authentication weak

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

Certificate (current)

R12
from 2026-04-23 to 2026-07-22
Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://mattmahoney.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)