indexo.dev

prossl.de

.de crawl dns

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 3066 ms crawled 2026-05-05

DE · 91.233.86.21 · AS20647 IPB Internet Provider in Berlin GmbH

Reputation 100/100

Classifying

Technology

Server
Apache

Registration

Updated
2012-07-06
Name servers
  • ns1.prodns.de.
  • ns2.prodns.de.
  • ns3.prodns.de.
  • ns4.prodns.de.
  • ns5.prodns.de.

DNS records live

NS
  • ns1.prodns.de
  • ns2.prodns.de
  • ns3.prodns.de
  • ns4.prodns.de
  • ns5.prodns.de
MX
  • 10 mail.prossl.de
TXT
  • v=spf1 a mx ip4:91.233.84.0/22 ~all

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-10-28 to 2026-11-26
Expires in 189 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://prossl.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains

Linked from (2)