indexo.dev

ctu.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP 200 1003 ms crawled 2026-05-30

CZ · 185.178.175.96 · AS206548 ZCOM.cz s.r.o

Reputation 100/100

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 ctu-cz.j-v1.mx.microsoft
TXT
  • 4T2E2zHVcWzPhia6XspSopO0GRxbNjqiJW4qq1mVneo+7QOwYv3BBjYJSzY5v5baoSCMH2uBS9J8K1OlEnEH2Q==
Verified for
  • Atlassian
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a:mail.ctu.cz ip4:185.68.212.150 ip4:185.68.212.2 ip4:185.178.175.96 ip4:185.68.212.36 ip4:185.68.212.37 ip6:2a05:1c40:0:1:B9:44:D4:24 ip6:2a05:1c40:0:1:B9:44:D4:25 ip6:2a05:1c41::B9:44:D4:96 ip6:2a0a:6580:11::b9b2:af60 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc_agg@vali.email;
policy: quarantine
DKIM
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD064WNscWLzjuTT/omll5oLCTXXfRtA29mnZzY3gK3X2wlr1+AZfEJR/e0e8B9IfvGfOcin++63eiKQlYG/H…
selectors probed

Certificate (current)

R13
from 2026-04-20 to 2026-07-19
Expires in 49 days

Full certificate history on crt.sh ↗

Linked from (2)