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citykey.app

.app crawl

First seen 2026-05-15 · Last seen 2026-05-19 · pending crawled 2026-05-19

DE · 80.158.59.131 · AS6878 T-Systems International GmbH

Reputation 67/100 wrong cert no dmarc policy

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

DNS records live

NS
  • ns1.open-telekom-cloud.com
  • ns2.open-telekom-cloud.com
MX
  • 10 mail.citykey.app
TXT
  • _telesec-domain-validation=331885_2024-02-26_yGDzjBea7BuNaxyixOtXFwldNc06oidno0X3EcDPonFEvywXo1

Email authentication weak

SPF
v=spf1 a:otc-de-spf.mms.t-systems-service.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

E8
from 2026-05-05 to 2026-08-03
Expires in 74 days

Full certificate history on crt.sh ↗

Linked from (1)