indexo.dev

sercaneraslan.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1076 ms crawled 2026-05-19

US · 192.30.252.153 · AS36459 GitHub, Inc.

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

Classifying

Technology

CDN
GitHub Pages
Server
GitHub.com
CMS
Gatsby

Registration

Registrar
IHS Telekom, Inc.
Created
2010-03-03
Expires
2031-03-03 1747 days left
Updated
2025-11-21
Name servers
  • dijkstra.ihsdns.com
  • knuth.ihsdns.com

DNS records live

NS
  • dijkstra.ihsdns.com
  • knuth.ihsdns.com
MX
Show 7 MX records
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com

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://sercaneraslan.com/

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

Linked from (1)