rn-solutions.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP 200 472 ms crawled 2026-06-03

CZ · 82.208.6.4 · AS15685 CASABLANCA INT a.s.

Reputation 94/100 dmarc monitor-only

DNS records live

NS
  • ns.default.cz
  • ns2.default.cz
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx include:sparkpostmail.com include:spf.vizus.cz ?all
neutral (?all)
DMARC
v=DMARC1; p=none; sp=none; adkim=s; aspf=s; pct=100
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-13 to 2026-08-11
Expires in 67 days

Linked from (3)