indexo.dev

circuitsarchive.org

.org crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 141 ms crawled 2026-06-01

DE · 91.99.80.139 · AS24940 Hetzner Online GmbH

Reputation 62/100 listed in spam blocklist weak security headers no dmarc policy

Classifying

HTML metadata

Title
CircuitsArchive
Description
Archive of Electronic Circuits Schematics
Language
en
Canonical
https://circuitsarchive.org/
Feeds

Technology

Server
nginx
Ads
  • Google AdSense

Third-party hosts loaded (2)

  • cse.google.com×1
  • pagead2.googlesyndication.com×1

DNS records live

NS
  • ns1.hover.com
  • ns2.hover.com
MX
  • 10 mail.circuitsarchive.org

Email authentication weak

SPF
v=spf1 ip4:91.99.80.139 a mx a:tecnick.com include:gmail.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-08 to 2026-08-06
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://circuitsarchive.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (1)