indexo.dev

supronet.cz

.cz dns crawl

First seen 2026-06-01 · Last seen 2026-06-04 · ok HTTP 200 568 ms crawled 2026-06-02

CZ · 217.112.162.40 · AS20723 AVONET, s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Registration

Registrar
REG-MEDIA4WEB
Created
2005-10-08
Expires
2026-10-07 124 days left
Updated
2026-01-05
Name servers
  • ns.avonet.cz
  • sns.avonet.cz
  • tns.avonet.cz

DNS records live

NS
  • ns.avonet.cz
  • sns.avonet.cz
  • tns.avonet.cz
MX
  • 10 hosting.supronet.cz
  • 5 uh-smtp.supronet.cz

Email authentication weak

SPF
v=spf1 a mx ptr ip4:131.117.212.13 ip4:94.125.223.39 ip4:31.177.31.6 include:spf-ms.avonet.cz -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-10 to 2026-08-08
Expires in 64 days

Full certificate history on crt.sh ↗

Linked from (1)