indexo.dev

davidgrieser.com

.com crawl

First seen 2026-05-03 · Last seen 2026-05-03 · ok HTTP/1.1 200 777 ms crawled 2026-05-10

US · 192.30.252.153 · AS36459 GitHub, Inc.

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

Classifying

HTML metadata

Title
David Grieser - Problem Solver
Language
en-US

Technology

CDN
GitHub Pages
Server
GitHub.com
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Registrar
Tucows Domains Inc.
Created
2011-10-29
Expires
2026-10-29 162 days left
Updated
2025-10-29
Name servers
  • ns1.hover.com
  • ns2.hover.com

DNS records live

NS
  • ns1.hover.com
  • ns2.hover.com
MX
  • 10 mx.hover.com.cust.hostedemail.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 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://davidgrieser.com/

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)