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c12qe.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-14 · ok HTTP/1.1 200 2967 ms crawled 2026-05-10

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Unique at Scale | Carbon-Based Quantum Computing by C12
Description
C12 is building scalable carbon-based quantum computers to unlock breakthroughs in materials, chemistry, finance, and industry. Discover our technology.
Language
en
Canonical
https://www.c12qe.com

Open Graph

title
Unique at Scale | Carbon-Based Quantum Computing by C12
description
C12 is building scalable carbon-based quantum computers to unlock breakthroughs in materials, chemistry, finance, and industry. Discover our technology.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Third-party hosts loaded (7)
  • cdn.prod.website-files.com×45
  • cdn.jsdelivr.net×4
  • www.googletagmanager.com×2
  • ajax.googleapis.com×1
  • d3e54v103j8qbb.cloudfront.net×1
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Contact

Email
Address
26 rue des Fossés Saint-Jacques, 75005, Paris, FR

Registration

Registrar
Gandi SAS
Created
2019-12-31
Expires
2027-12-31 591 days left
Updated
2025-10-30
Name servers
  • ns-193-a.gandi.net
  • ns-236-c.gandi.net
  • ns-242-b.gandi.net

DNS records live

NS
  • ns-193-a.gandi.net
  • ns-236-c.gandi.net
  • ns-242-b.gandi.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 10 spool.mail.gandi.net
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
  • 50 fb.mail.gandi.net
TXT
Show 6 TXT records
  • apple-domain-verification=9ZHBkKWbqm9RXvyc
  • google-site-verification=vY2WYGG1p8nZM8_ORNGlZnzXQdZ-eQ7KMpqEDDBlZEc
  • knowbe4-site-verification=849d47561bde2a065cdfdb6b4c025cc5
  • hubspot-v21t3N5BRx6y9
  • google-site-verification=czE4L2jc145cE-yFDsHnOjSmTxD-WuDDUKn4X8xNg_0
  • brevo-code:2e9b957822b969becb57b9377586a22c

Email authentication partial

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@c12qe.com
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk80MNro8AWh3+agwhdRs00h2MkSyyCNZQx0of45z4I5LoDzEkepH5I50VvEcsnd6Vc9+3hkenxL7pa…
selectors probed

Certificate (current)

WE1
from 2026-04-13 to 2026-07-12
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.c12qe.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains; preload

Linked from (3)