indexo.dev

zub-systems.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-18 · error crawled 2026-05-18 5 attempts

DE · 87.106.126.135 · AS8560 IONOS SE

Reputation 59/100 wrong cert crawl error dmarc monitor-only

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'zub-systems.de'. (_ssl.c:1000)

Registration

Updated
2018-08-09
Name servers
  • ns1016.ui-dns.biz.
  • ns1016.ui-dns.com.
  • ns1016.ui-dns.de.
  • ns1016.ui-dns.org.

DNS records live

NS
  • ns1016.ui-dns.biz
  • ns1016.ui-dns.com
  • ns1016.ui-dns.de
  • ns1016.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de
TXT
  • google-site-verification=tDcR8BfxAB4-EQrN7U0z4ij81moSheHB424qSYl6xq4

Email authentication partial

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

Certificate (current) wrong cert

E8
from 2026-05-13 to 2026-08-11
Expires in 83 days

Full certificate history on crt.sh ↗

Linked from (2)