iisys.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-10 · error crawled 2026-05-15 5 attempts

DE · 194.95.60.175 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 65/100 wrong cert crawl error

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

Registration

Updated
2026-04-20
Name servers
  • deneb.dfn.de.
  • sh-dns01e.hof-university.de.
  • sh-dns02e.hof-university.de.

DNS records live

NS
  • deneb.dfn.de
  • sh-dns01e.hof-university.de
  • sh-dns02e.hof-university.de
MX
  • 0 iisys-de.mail.protection.outlook.com
TXT
  • dell-technologies-domain-verification=iisys.de_118ab4e0-f4a8-427c-9327-29ffba776f09_1753432692
Verified for
  • HARICA
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx ip4:194.95.61.4 ip4:194.95.60.119 include:spf.dynect.net include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc.reports@hof-university.de
policy: quarantine
DKIM
  • default: v=DKIM1;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeN3hZMbS8buNl3ZAHxmikjzSqGgYp+66ywqHKU9BokuNBY2uXjLMWeqvwUZOEMqH6cv8mHpdAd2hG5gAliPxxvhxhOG…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6VcS18uQVZ6nAisL3fD2q6OF0eKij9qm3sYTdj1J1YLCoCwH1RjSGi1NDehLR2jhGRhDPnRlB7Bue5…
selectors probed

Certificate (current) wrong cert

GEANT TLS ECC 1
from 2025-11-11 to 2026-11-11
Expires in 174 days

Linked from (1)