ctech.cz

.cz crawl dns

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP 200 712 ms crawled 2026-05-31

US · 172.67.134.42 · AS13335 Cloudflare, Inc.

Reputation 100/100

DNS records live

NS
  • jonah.ns.cloudflare.com
  • ligia.ns.cloudflare.com
MX
  • 0 ctech-cz.mail.protection.outlook.com
TXT
  • oJEXk9e0Vb0yI2cBAqdPfYzPcKbjaBWMYtU2ilA05+w2BxGuLh7FkakBmP3L4KY5SfFjlOLL983WQ9QrUWECCg==
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:46.234.126.36 ip4:88.208.100.140/19 ip4:212.24.151.185/19 ip4:81.0.208.127/19 ip4:81.0.208.118 ip4:81.0.208.117 ip4:212.24.151.180/19 ip4:212.24.151.178/19 ip4:31.30.34.0/26 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-02 to 2026-07-31
Expires in 60 days

Linked from (2)