indexo.dev

bystrc.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP 200 463 ms crawled 2026-06-03

CZ · 46.36.36.153 · AS42422 SecurityNet.cz s.r.o.

Reputation 92/100 no dmarc policy

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 1 bystrc-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)

R13
from 2026-04-08 to 2026-07-07
Expires in 33 days

Full certificate history on crt.sh ↗

Linked from (1)