indexo.dev

grsecurity.net

.net crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 972 ms crawled 2026-05-06

US · 50.239.52.65 · AS7922 Comcast Cable Communications, LLC

Reputation 97/100 dmarc monitor-only

sector tech type homepage

HTML metadata

Title
grsecurity
Description
grsecurity is the only drop-in Linux kernel replacement offering high-performance, state-of-the-art exploit prevention against both known and unknown threats.
Language
en

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
NameCheap, Inc.
Created
2001-10-01
Expires
2030-10-01 1595 days left
Updated
2025-09-01
Name servers
  • pdns1.registrar-servers.com
  • pdns2.registrar-servers.com

DNS records live

NS
  • pdns1.registrar-servers.com
  • pdns2.registrar-servers.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=7f9DAv8k0ADYGhFilMhfuA31hB9B6Jj2_2TtnPbdHFI

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:emsd1.com a:grsecurity.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@grsecurity.net; pct=100; adkim=s; aspf=s
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-08 to 2026-10-10
Expires in 143 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://grsecurity.net/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
findings
  • CSP allows unsafe inline scripts/styles
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
content-security-policy
script-src 'self' 'unsafe-inline' https://www.googletagmanager.com https://www.google-analytics.com https://ssl.google-analytics.com https://tagmanager.google.com https://www.gstatic.com/recaptcha/ https://www.google.com/recaptcha/api.js; child-src https://www.google.com; font-src 'self' data: https://fonts.gstatic.com; object-src 'none'; img-src 'self' data: https://www.googletagmanager.com https://www.google-analytics.com https://ssl.gstatic.com https://www.gstatic.com; media-src 'none'; style-src 'self' 'unsafe-inline' data: https://tagmanager.google.com https://fonts.googleapis.com; connect-src 'self' https://www.google.com https://www.google-analytics.com;
strict-transport-security
max-age=15552000; includeSubDomains; preload

Links to (1)

Linked from (1)