indexo.dev

usepostbox.com

.com crawl

First seen 2026-05-01 · Last seen 2026-05-01 · ok HTTP/1.1 200 1283 ms crawled 2026-05-08

US · 13.33.235.14 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Postbox — Structured Data Collection for Agents and Humans
Description
Define your schema, get an endpoint where submissions arrive validated, spam-filtered, translated and auto-replied.
Language
en
Canonical
https://usepostbox.com/
Feeds

Open Graph

title
Postbox — Structured Data Collection for Agents and Humans
locale
en_US
site name
Postbox
description
Define your schema, get an endpoint where submissions arrive validated, spam-filtered, translated and auto-replied.

Technology

CDN
Amazon CloudFront
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

Registration

Registrar
Hosting Concepts B.V. d/b/a Registrar.eu
Created
2025-12-13
Expires
2028-12-13 938 days left
Updated
2026-03-06
Name servers
  • ns-1079.awsdns-06.org
  • ns-1630.awsdns-11.co.uk
  • ns-247.awsdns-30.com
  • ns-859.awsdns-43.net

DNS records live

NS
  • ns-1079.awsdns-06.org
  • ns-1630.awsdns-11.co.uk
  • ns-247.awsdns-30.com
  • ns-859.awsdns-43.net
MX
  • 10 mx.zoho.in
  • 20 mx2.zoho.in
  • 50 mx3.zoho.in
TXT
  • zoho-verification=zb76674561.zmverify.zoho.in
  • google-site-verification=0wGKiYccd56aNY5OPDpf1T7vu3xKVipt9oit6y6OiN8

Email authentication partial

SPF
v=spf1 include:zohomail.in include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@usepostbox.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2026-03-06 to 2026-09-20
Expires in 123 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://usepostbox.com/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • missing frame protection
Header values
referrer-policy
strict-origin-when-cross-origin
permissions-policy
camera=(), microphone=(self), geolocation=()
x-content-type-options
nosniff
content-security-policy
default-src 'self'; script-src 'self' https://cdnjs.cloudflare.com https://us-assets.i.posthog.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdnjs.cloudflare.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data:; worker-src 'self' blob:; connect-src 'self' wss: https://us.i.posthog.com https://us-assets.i.posthog.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self' https://polar.sh
strict-transport-security
max-age=31536000

Links to (1)

Linked from (1)