ddb.cz

.cz crawl

First seen 2026-05-23 · Last seen 2026-05-24 · ok HTTP 200 3768 ms crawled 2026-05-28

US · 104.21.69.27 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

DNS records live

NS

nitin.ns.cloudflare.com
tegan.ns.cloudflare.com

MX

0 ddb-cz.mail.protection.outlook.com

Verified for

Atlassian
Google

Email authentication weak

SPF: v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-05-27 to 2026-08-25

Expires in 85 days

Full certificate history on crt.sh ↗

Linked from (3)