op9.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP 200 940 ms crawled 2026-06-02

CZ · 81.2.196.170 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 0 op9-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

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)

E8
from 2026-05-18 to 2026-08-16
Expires in 75 days

Linked from (2)