vltavaopen.cz

.cz crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP 200 1018 ms crawled 2026-06-04

CZ · 31.15.12.46 · AS25234 ACTIVE 24, s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Registration

Registrar
REG-GRANSY
Created
2011-04-10
Expires
2027-04-09 308 days left
Updated
2015-02-09
Name servers
  • jaguar.blueboard.cz
  • ns2.blueboard.cz
  • shinzon.blueboard.cz

DNS records live

NS
  • ns2.blueboard.cz
  • shinzon.blueboard.cz
MX
  • 10 jaguar.blueboard.cz

Email authentication partial

SPF
v=spf1 a mx include:spf.blueboard.cz -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

YE2
from 2026-05-29 to 2026-08-27
Expires in 83 days

Linked from (1)