pwa.io

.io crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 504 ms crawled 2026-05-16

DE · 138.199.162.186 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
pwa.io
Description
iOS 16.4 finally supports Push Notifications. Here is how to use them.
Language
de
Feeds

Open Graph

locale
de_DE
description
iOS 16.4 finally supports Push Notifications. Here is how to use them.

Technology

Server
openresty

Third-party hosts loaded (2)

  • github.com×1
  • norden.social×1

DNS records live

NS
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com
  • oxygen.ns.hetzner.com
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com
TXT
  • google-site-verification=rQC7X89WUjVxfRdRQx3_N5-99Z0Ghvm4airddhmgZ54

Email authentication weak

SPF
v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-03-26 to 2026-06-24
Expires in 35 days

HTTP security headers

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

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)