indexo.dev

isp55.de

.de dns crawl

First seen 2026-05-06 · Last seen 2026-05-19 · ok HTTP/1.1 200 916 ms crawled 2026-05-13

DE · 213.139.150.150 · AS8881 1&1 Versatel GmbH

Reputation 100/100

Classifying

HTML metadata

Title
isp55.de

Technology

Server
Apache

Registration

Updated
2020-07-10
Name servers
  • dns.globvill.de.
  • dns.globvill.ruhr.
  • dns.voerde.globvill.de.

DNS records live

NS
  • dns.globvill.de
  • dns.globvill.ruhr
  • dns.voerde.globvill.de
MX
  • 5 mail.isp55.de
  • 50 mail2.isp55.de

Email authentication strong

SPF
v=spf1 mx -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:postmaster@isp55.de; ruf=mailto:postmaster@isp55.de; adkim=s; aspf=s
policy: reject (enforced)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC/bznXgloZ/T3oiD5jfxYpbp8ISwndPDtWQsGU9PV2HpFcegmQDgSkOiVP1WFMua1bI+NkCHLjDMIAvULvU+…
selectors probed

Certificate (current)

R13
from 2026-05-10 to 2026-08-08
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://isp55.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=15552000; includeSubDomains

Links to (1)

Linked from (1)