engine4.io

.io crawl

First seen 2026-05-02 · Last seen 2026-05-02 · ok HTTP/1.1 200 659 ms crawled 2026-05-08

DE · 188.40.207.42 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Technology

Server
Microsoft-IIS

Third-party hosts loaded (1)

  • www.mobile-function.com×1

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 1 www421.your-server.de
TXT
  • otqji0effhenougtthna6u3cic

Email authentication weak

SPF
v=spf1 a mx ptr ip4:37.24.100.82 ip4:176.9.77.48 ip4:176.9.175.26 ip4:176.9.77.52 ip4:178.77.84.33 ip4:78.46.152.61 ip4:109.75.190.20 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Thawte TLS RSA CA G1
from 2026-01-31 to 2027-02-20
Expires in 276 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://engine4.io/

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

Linked from (1)