indexo.dev

prooffice.net

.net dns

First seen 2026-05-08 · Last seen 2026-05-19 · ok HTTP/1.1 200 1085 ms crawled 2026-05-14

DE · 85.214.40.147 · AS6724 Strato GmbH

Reputation 45/100 listed in spam blocklist wrong cert weak security headers

Classifying

HTML metadata

Title
+ + +

Technology

Server
Apache

Registration

Registrar
COREhub, S.R.L.
Created
1998-07-02
Expires
2026-07-01 42 days left
Updated
2025-11-22
Name servers
  • dns1.pro.vider.de
  • dns2.pro.vider.de
  • dns3.pro.vider.de

DNS records live

NS
  • dns1.pro.vider.de
  • dns2.pro.vider.de
  • dns3.pro.vider.de
MX
  • 10 mail.betriebe.net

Email authentication strong

SPF
v=spf1 mx -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:postmaster@prooffice.net; ruf=mailto:postmaster@prooffice.net; fo=1; adkim=s; aspf=s
policy: quarantine
DKIM
no key found at common selectors

Certificate (current) wrong cert

h2714283.stratoserver.net
from 2017-08-13 to 2018-08-13
Expired 2836 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://prooffice.net/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy