indexo.dev

mayhematics.com

.com crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 277 ms crawled 2026-06-03

GB · 185.229.21.118 · AS25577 Mainframe & Cybernetic Systems Limited

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Mayhematics

Technology

Server
Apache

Registration

Registrar
PDR Ltd. d/b/a PublicDomainRegistry.com
Created
2006-07-12
Expires
2030-07-12 1499 days left
Updated
2021-07-04
Name servers
  • ns1.netnerd.com
  • ns2.netnerd.com

DNS records live

NS
  • ns1.netnerd.com
  • ns2.netnerd.com
MX
  • 10 mayhematics.com

Email authentication weak

SPF
v=spf1 ip4:185.229.21.118 +a +mx +ip4:185.229.22.199 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAye3tUm0/tcU3fcDU0dp22HBdMs9f60/z/uWx5kGsX7SBbJr61Pys6K5lXBJgHoP3k/YR1DcY4lI7Uw…
selectors probed

Certificate (current)

R13
from 2026-04-21 to 2026-07-20
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://mayhematics.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 (1)