indexo.dev

postbox-inc.com

.com crawl

First seen 2026-04-28 · Last seen 2026-05-06 · ok HTTP/1.1 200 570 ms crawled 2026-05-06

US · 104.21.4.34 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
The Power Email App - Postbox
Description
Postbox is the power email app for busy professionals, like you.
Language
en-US
Generator
SEOmatic
Canonical
https://www.postbox-inc.com

Open Graph

url
https://www.postbox-inc.com/
title
The Power Email App
locale
en_EN
site name
Postbox
description
Postbox is the power email app for busy professionals, like you.

Technology

CDN
Cloudflare
Social widgets
  • Vimeo Embed

Third-party hosts loaded (4)

  • cdnjs.cloudflare.com×2
  • npmcdn.com×1
  • player.vimeo.com×1
  • postbox-assets.s3.us-east-1.amazonaws.com×1

Social

Contact

Address
809 Laurel Street, #999, 94070, San Carlos, CA, United States

Registration

Registrar
Gransy, s.r.o.
Created
2008-08-19
Expires
2026-08-19 92 days left
Updated
2024-10-23
Name servers
  • demi.ns.cloudflare.com
  • gabe.ns.cloudflare.com

DNS records live

NS
  • demi.ns.cloudflare.com
  • gabe.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 4 TXT records
  • google-site-verification=71ycwRtyKaZyWO0Df6CUllq9ArBV4O2sivvdYBTbdZo
  • google-site-verification=9LMXhWpnzrjNIBWdtKL2HUQnNC3Zm_OvcLdsCSaRAws
  • google-site-verification=wpvb-jFO1G_tbfRpO6DJquDis_8-dN5r8rGRYjPcT-Q
  • MS=ms33768746

Email authentication strong

SPF
v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1;p=quarantine;pct=100;
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEjkJYsyT1QbGaTHTJUouV4iio+qTgqmlI7vJOewI7ZyDi0Px6qB4ys1K+bQrH4xUOn0FAxYZGTPv3pzsBCs…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAshQ0yCB6KFxj6az0tFGJZobTPVzw3R0Kg5HeiT4j4XVpqeOfK9g1do14W9bc32duxnQDTsRP141pzLeMJh…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDOddvqcvoCbBcHRzSe4ks7296LoPIgPgzIhrNnL8/4rddJCHZMC2JPU1qwUAcELxWfPdJ4YMnT1qmEl/JfMWVMQR…
selectors probed

Certificate (current)

WE1
from 2026-03-10 to 2026-06-08
Expires in 21 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.postbox-inc.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)