indexo.dev

circuitlab.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 8358 ms crawled 2026-05-07

US · 206.71.169.48 · AS21581 M5 Computer Security

Reputation 87/100 weak security headers no dmarc policy

sector tech type app saas

HTML metadata

Title
Online circuit simulator & schematic editor - CircuitLab
Description
Powerful online circuit simulator and schematic editor. Easy to learn.
Language
en-us

Open Graph

url
https://www.circuitlab.com/
title
Online circuit simulator & schematic editor - CircuitLab
site name
CircuitLab
description
Powerful online circuit simulator and schematic editor. Easy to learn.

Technology

Server
lighttpd
Social widgets
  • YouTube Embed

Third-party hosts loaded (2)

  • ajax.googleapis.com×1
  • www.youtube.com×1

Registration

Registrar
Porkbun LLC
Created
2000-01-07
Expires
2027-01-07 232 days left
Updated
2025-05-01
Name servers
  • ns-1496.awsdns-59.org
  • ns-1639.awsdns-12.co.uk
  • ns-339.awsdns-42.com
  • ns-739.awsdns-28.net

DNS records live

NS
  • ns-1496.awsdns-59.org
  • ns-1639.awsdns-12.co.uk
  • ns-339.awsdns-42.com
  • ns-739.awsdns-28.net
MX
Show 7 MX records
  • 1 aspmx.l.google.com
  • 3 alt1.aspmx.l.google.com
  • 3 alt2.aspmx.l.google.com
  • 5 aspmx2.googlemail.com
  • 5 aspmx3.googlemail.com
  • 5 aspmx4.googlemail.com
  • 5 aspmx5.googlemail.com
TXT
  • google-site-verification=K45CYP-C_6JJdpcFcifOEzrRIWPep3kCt2K6XLhIKGM
  • google-site-verification=WTZGH4whC9n8ejNcpxlXNeTTQbcVC3pyzYXiRKyTI7g
  • google-site-verification=cg7Kd1g8YIgNPqjntPKxaeYDAm2PJLHisRV_D9Z8rbE

Email authentication partial

SPF
v=spf1 a mx include:_spf.google.com include:amazonses.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-21 to 2026-07-20
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.circuitlab.com/

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

Links to (2)

Linked from (2)