indexo.dev

mail-tester.com

.com crawl

First seen 2026-04-23 · Last seen 2026-05-16 · ok HTTP/1.1 200 6874 ms crawled 2026-05-17

US · 172.67.152.196 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Newsletters spam test by mail-tester.com
Description
Check your newsletter's spam score and quality.This tool's free, and pretty
Language
en

Open Graph

url
http://mail-tester.com
title
Newsletters spam test by mail-tester.com
description
mail-tester.com is a free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Registration

Registrar
Amazon Registrar, Inc.
Created
2012-03-12
Expires
2027-03-12 296 days left
Updated
2026-05-15
Name servers
  • jessica.ns.cloudflare.com
  • piotr.ns.cloudflare.com

DNS records live

NS
  • jessica.ns.cloudflare.com
  • piotr.ns.cloudflare.com
MX
  • 1 reception.mail-tester.com
TXT
  • google-site-verification=-zW0U410e65i50C2jqi0JeTGx5o1Lklnvrkh1M03fac

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1;p=reject;rua=mailto:3d6afa2b78@rua.easydmarc.asia;ruf=mailto:3d6afa2b78@ruf.easydmarc.asia;fo=1;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-10 to 2026-07-09
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://mail-tester.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 (2)