indexo.dev

kostnet.cz

.cz dns crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP 200 939 ms crawled 2026-06-02

US · 172.67.129.253 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

DNS records live

NS
  • emily.ns.cloudflare.com
  • jaxson.ns.cloudflare.com
MX
  • 10 0cf3f05ed55930bf.mx1.emailprofi.seznam.cz
  • 20 0cf3f05ed55930bf.mx2.emailprofi.seznam.cz

Email authentication weak

SPF
v=spf1 mx include:_spf.uvtnet.cz include:spf.seznam.cz -all
strict (-all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqwzCwO867noiQtsliKgqJ3JIaFzfNrWhhdTpx0kvLEi+WNqT1Q8kcZ/ks5DK9JYXIHstsgfralnx7RCgko …
selectors probed

Certificate (current)

WE1
from 2026-05-23 to 2026-08-21
Expires in 77 days

Full certificate history on crt.sh ↗

Linked from (1)