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First seen 2026-05-07 · Last seen 2026-05-14 · ok HTTP/1.1 200 1274 ms crawled 2026-05-14

US · 192.30.252.154 · AS36459 GitHub, Inc.

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
Simit - A language for computing on sparse systems
Description
Simit is a programming language for computing on sparse systems using linear algebra. Programs are short, readable, performant and portable (CPU and GPU).

Technology

CDN
GitHub Pages
Server
GitHub.com
Social widgets
  • YouTube Embed

Third-party hosts loaded (1)

  • www.youtube.com×2

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2016-04-04
Expires
2031-04-04 1779 days left
Updated
2026-04-10
Name servers
  • ns71.domaincontrol.com
  • ns72.domaincontrol.com

DNS records live

NS
  • ns71.domaincontrol.com
  • ns72.domaincontrol.com
MX
  • 0 smtp.secureserver.net
  • 10 mailstore1.secureserver.net
Verified for
  • Google

Email authentication weak

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

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2026-04-14 to 2026-07-13
Expires in 53 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://simit-lang.org/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (1)