opensrcsec.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-06 · ok HTTP/1.1 200 1154 ms crawled 2026-05-02

US · 50.239.52.65 · AS7922 Comcast Cable Communications, LLC

Reputation 100/100

sector tech type homepage

HTML metadata

Title: Open Source Security, Inc.
Description: Open Source Security, Inc is the industry leader in compiler and OS-based security defenses. It develops and maintains grsecurity, a higher-assurance drop-in replacement for the Linux kernel that offers unique security properties for security-critical systems.

Technology

Server: Apache

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

NameCheap, Inc.

Created

2019-01-12

Expires

2027-01-12 237 days left

Updated

2025-12-13

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

v=spf1 include:_spf.google.com include:emsd1.com a:opensrcsec.com ~all

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 ↗