indexo.dev

sam-cl.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP 200 1669 ms crawled 2026-06-01

CZ · 81.91.86.12 · AS39790 Web4U s.r.o.

Reputation 100/100

Registration

Registrar
REG-WEB4U
Created
1999-12-17
Expires
2026-12-15 196 days left
Updated
2016-09-22
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 antispam.valvera.cz
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx ip4:213.180.34.106 a:antispam.sam-cl.valvera.cz include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:admin@sam-cl.cz;
policy: quarantine
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNXdIawVdMJnvBPBgWFqu+g4EbBddBqEdZOBBsAAYjtVQlHZVOS+67VB9gnnQ6givjSkceZ3W2pO9SK2pExD…
selectors probed

Certificate (current)

R12
from 2026-04-06 to 2026-07-05
Expires in 33 days

Full certificate history on crt.sh ↗

Linked from (1)