indexo.dev

otto-protzen.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 914 ms crawled 2026-05-10

DE · 217.160.0.226 · AS8560 IONOS SE

Reputation 94/100 dmarc monitor-only

sector other type homepage

HTML metadata

Title
Otto Protzen und das Seglerhaus am Wannsee
Language
de
Generator
MyWebsite

Technology

Server
nginx

Contact

Address
Fischerhüttenstraße 38, Berlin

Registration

Updated
2020-05-23
Name servers
  • ns1019.ui-dns.de.
  • ns1090.ui-dns.biz.
  • ns1092.ui-dns.org.
  • ns1105.ui-dns.com.

DNS records live

NS
  • ns1019.ui-dns.de
  • ns1090.ui-dns.biz
  • ns1092.ui-dns.org
  • ns1105.ui-dns.com
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-26 to 2026-12-11
Expires in 204 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.otto-protzen.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=15768000

Linked from (1)