circuitcellar.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-12 · ok HTTP/1.1 200 845 ms crawled 2026-05-07

US · 35.212.80.127 · AS15169 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

Home - Circuit Cellar

Description

Premier media resource for embedded electronics tech. Embedded Systems, microcontrollers, Raspberry Pi, Arduino, & more info to inspire professional engineers.

Language

en-US

Generator

WordPress 6.9.1

Canonical

https://circuitcellar.com/

Feeds

Open Graph

url: https://circuitcellar.com/
title: Home - Circuit Cellar
locale: en_US
site name: Circuit Cellar
description: Premier media resource for embedded electronics tech. Embedded Systems, microcontrollers, Raspberry Pi, Arduino, & more info to inspire professional engineers.

Technology

Server: nginx
CMS: WordPress

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (8)

i0.wp.com×42
c0.wp.com×4
www.googletagmanager.com×3
fonts.googleapis.com×2
js.stripe.com×2
stats.wp.com×2
gmpg.org×1
linuxgizmos.advertserve.com×1

Social

Registration

Registrar

GoDaddy.com, LLC

Created

1996-01-23

Expires

2027-01-24 249 days left

Updated

2026-01-25

Name servers

kate.ns.cloudflare.com
norm.ns.cloudflare.com

DNS records live

NS

kate.ns.cloudflare.com
norm.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

brevo-code:d1f8b1d32a6f222e81cb806437220737
google-site-verification=ppfM3MgiTwVeUow-c2WThZETt5H_rhkh_6-QpGGYm5A

Email authentication strong

SPF

v=spf1 include:spf.mailjet.com ip4:65.75.16.150 ip4:173.162.234.225 ip4:207.154.60.200 ip4:207.126.144.0/20 ip4:64.18.0.0/20 ip4:74.125.148.0/22 ip4:66.179.8.165 a include:_spf.google.com include:spf.mandrillapp.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

policy: none (monitoring only)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlziNDFDzLhs/esqtrincQ8F/KiIBizaSvYebsBcLPyf2PhnQhE5lBb9Lb25iJeBcbCzO6zfQmHXhUb…
mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

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://circuitcellar.com/

findings

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