indexo.dev

getmailspring.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-10 · ok HTTP/1.1 200 1786 ms crawled 2026-05-07

US · 18.165.122.58 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Mailspring — Free Email Client for Mac, Windows & Linux
Description
Mailspring is a fast, native email client for Mac, Windows, and Linux — with read receipts, link tracking, send later, grammar checking, and more. Free to download. Pro at $8/month.
Language
en
Canonical
https://www.getmailspring.com/

Open Graph

url
https://www.getmailspring.com/
title
Mailspring — Free Email Client for Mac, Windows & Linux
description
Mailspring is a fast, native email client for Mac, Windows, and Linux — with read receipts, link tracking, send later, grammar checking, and more. Free to download. Pro at $8/month.

Technology

CDN
Amazon CloudFront
Server
AmazonS3
CMS
Gatsby
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • cdn.simpleicons.org×14
  • fonts.googleapis.com×1

Social

Registration

Registrar
Amazon Registrar, Inc.
Created
2017-09-05
Expires
2026-09-05 109 days left
Updated
2025-08-01
Name servers
  • ns-1335.awsdns-38.org
  • ns-2005.awsdns-58.co.uk
  • ns-289.awsdns-36.com
  • ns-966.awsdns-56.net

DNS records live

NS
  • ns-1335.awsdns-38.org
  • ns-2005.awsdns-58.co.uk
  • ns-289.awsdns-36.com
  • ns-966.awsdns-56.net
MX
  • 1 aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:amazonses.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; ri=86400; rua=mailto:info@getmailspring.com
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2025-05-27 to 2026-06-25
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (2)