indexo.dev

abs-of.de

.de crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 450 ms crawled 2026-06-02

US · 13.248.218.192 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
August-Bebel-Schule Offenbach a.M. – Deine Schule. Deine Zukunft.
Language
de

Technology

Server
nginx

Social

Contact

Phone

Registration

Updated
2016-02-04
Name servers
  • dns01-tld.t-online.de.
  • dns02-tld.t-online.de.

DNS records live

NS
  • dns01-tld.t-online.de
  • dns02-tld.t-online.de
MX
  • 10 smtp-01.tld.t-online.de
  • 10 smtp-02.tld.t-online.de

Email authentication weak

SPF
v=spf1 include:_spf.hier-im-netz.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-26 to 2026-08-24
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.abs-of.de/

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

Links to (15)

Linked from (1)