postwoman.io

.io crawl

First seen 2026-04-16 · Last seen 2026-05-07 · ok HTTP/1.1 200 561 ms crawled 2026-05-11

US · 3.164.206.50 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Postwoman is now Hoppscotch
Description: Update: 16th August 2020. Postwoman is now Hoppscotch.

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

DNS records live

NS

ns-1049.awsdns-03.org
ns-1999.awsdns-57.co.uk
ns-32.awsdns-04.com
ns-963.awsdns-56.net

Email authentication no MX

SPF: v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
softfail (~all)
DMARC: v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc_agg@vali.email
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01

from 2026-03-03 to 2026-09-17

Expires in 119 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://postwoman.io/

findings

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

Links to (2)

github.com×2
hoppscotch.io×2

Linked from (1)

servirtium.dev×2