indexo.dev

cr-sei.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP 200 1128 ms crawled 2026-06-03

SK · 37.9.175.164 · AS51013 WebSupport s.r.o.

Reputation 95/100 weak security headers

DNS records live

NS
  • ns1.ignum.com
  • ns2.ignum.cz
MX
  • 1 crsei-cz0e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:admin@cr-sei.cz; ruf=mailto:admin@cr-sei.cz; pct=100; fo=1;
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsc9gRZs4g56bM8Vzs015FZ293LBfxUFQfh1uV2je1JuyoB78RSVkGEZH4sMrhbixTz4q1+gF7hYl4w…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDfSYFtY/gHsqUFZw7KNQ36nlB7H+SbxshIcZuXCWDXLMkc6LWYOsSDajQLZ8GCkSpK+4nsJUCyP0mwr94Wzq…
selectors probed

Certificate (current)

R13
from 2026-04-19 to 2026-07-18
Expires in 43 days

Full certificate history on crt.sh ↗

Linked from (1)