indexo.dev

thesimplepostmaster.com

.com crawl

First seen 2026-04-26 · Last seen 2026-05-16 · ok HTTP/1.1 200 665 ms crawled 2026-05-19

US · 216.24.57.1 · AS397273 Render

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
The Simple Postmaster
Language
en

Technology

CDN
Cloudflare

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×1
  • code.jquery.com×1
  • maxcdn.bootstrapcdn.com×1

Registration

Registrar
NameCheap, Inc.
Created
2015-09-28
Expires
2026-09-28 130 days left
Updated
2025-08-29
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-08 to 2026-07-07
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://thesimplepostmaster.com/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (1)

Linked from (1)