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holoborodko.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 1155 ms crawled 2026-05-04

DE · 5.9.83.89 · AS24940 Hetzner Online GmbH

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
Pavel Holoborodko | Applied mathematics and beyond
Description
Applied mathematics and beyond
Language
en-US
Feeds

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (3)

  • s.w.org×1
  • stats.wordpress.com×1
  • wp.me×1

Registration

Registrar
GoDaddy.com, LLC
Created
2006-07-01
Expires
2027-07-01 406 days left
Updated
2025-06-03
Name servers
  • ns63.domaincontrol.com
  • ns64.domaincontrol.com

DNS records live

NS
  • ns63.domaincontrol.com
  • ns64.domaincontrol.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 30 alt2.aspmx.l.google.com
  • 40 aspmx2.googlemail.com
  • 50 aspmx3.googlemail.com

Certificate (current) wrong cert

R13
from 2026-04-30 to 2026-07-29
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.holoborodko.com/pavel/

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

Links to (6)

Linked from (2)