indexo.dev

siko.cz

.cz crawl

First seen 2026-05-18 · Last seen 2026-05-30 · pending HTTP 403 crawled 2026-05-31 3 attempts

NL · 52.157.206.5 · AS8075 Microsoft Corporation

Reputation 100/100

cloudflare bot challenge

Registration

Registrar
REG-WEBGLOBE
Created
1997-09-06
Expires
2028-10-27 879 days left
Updated
2024-09-10
Name servers
  • chuck.ns.cloudflare.com
  • virginia.ns.cloudflare.com

DNS records live

NS
  • chuck.ns.cloudflare.com
  • virginia.ns.cloudflare.com
MX
  • 10 siko-cz.mail.protection.outlook.com
TXT
  • 5Gm+nmrHqvuYkrAhPqEDDhIEPEMWsfD80CtRtfWusrKHOaS8d3rOIz8LKK7B3rtR0dY3LS1phCdvkEPweTeqWA==
  • bw=gXed26bIvLykW7HfJVUzzQd40nvrzAsGxzcslhGoJgu5
  • cywetadns-domain-verification=7b358537bbef9e8362763a76852bf877
Verified for
  • Apple
  • Atlassian
  • Google
  • Meta
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:sparkpostmail.com a:mx.siko.cz a:smtp.siko.cz a:mailer.fmm.cz -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email; ruf=mailto:dmarc@siko.cz; fo=1;
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7PG8MahiM+Z1c/1O71fBnhXPren7TmVVIP6zK90e7o1JQKc/hC/4TeTLgLAfxNqu17TMt8nhi9uhTXEX+MZ…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1NHtUrHa3eb9ixRX2QETWJ0Do2ik0lQXvEDA6RkjvwlAhrTuW8uBklqkzA1P7hAO3d/39r5cFpSfmp…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-10 to 2026-12-11
Expires in 193 days

Full certificate history on crt.sh ↗

Linked from (7)