cerfinfo.com

.com crawl

First seen 2026-04-30 · Last seen 2026-04-30 · ok HTTP/1.1 200 1629 ms crawled 2026-05-08

CA · 199.202.100.64 · AS22652 Videotron Ltee

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
C.E.R.F.
Language
en

Technology

Server
Apache

Third-party hosts loaded (4)

  • unpkg.com×5
  • code.jquery.com×3
  • cdn.jsdelivr.net×2
  • cdnjs.cloudflare.com×1

Registration

Registrar
DNC Holdings, Inc.
Created
1998-08-24
Expires
2028-08-23 826 days left
Updated
2023-12-21
Name servers
  • ns1.bibliofiche.com
  • ns2.bibliofiche.com

DNS records live

NS
  • ns1.bibliofiche.com
  • ns100-1.bibliofiche.com
  • ns100-2.bibliofiche.com
  • ns101-1.bibliofiche.com
  • ns101-2.bibliofiche.com
  • ns2.bibliofiche.com
MX
Show 7 MX records
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 10 aspmx4.googlemail.com
  • 10 aspmx5.googlemail.com
  • 5 atl1.aspmx.l.google.com
  • 5 atl2.aspmx.l.google.com
TXT
  • google-site-verification=ejjRNypSy-GtBWwDjowWPDInFkY2M0XUi3NGMFvNSe4

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-15 to 2026-07-14
Expires in 55 days

HTTP security headers

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

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

Linked from (1)