indexo.dev

sperky.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-04 · pending HTTP 403 crawled 2026-06-04 3 attempts

US · 104.26.14.4 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

cloudflare bot challenge

Registration

Registrar
REG-WEB4U
Created
1998-09-08
Expires
2026-10-27 144 days left
Updated
2020-02-17
Name servers
  • ajay.ns.cloudflare.com
  • daisy.ns.cloudflare.com

DNS records live

NS
  • ajay.ns.cloudflare.com
  • daisy.ns.cloudflare.com
MX
  • 360 sperky-cz.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx include:spf.azure.infra-pub.vivantis.net include:spf.mtasv.net include:spf.protection.outlook.com include:spf.smartemailing.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:a79c6cfe55a04ec5a862f330097d93e5@dmarc-reports.cloudflare.net,mailto:dmarc+157607@smartemailing.cz; aspf=r; fo=1
policy: none (monitoring only) · sp=none
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq8kRu+jDGkhk+i7EyaLy/2XuY2H02g4kHbJ/onwcFFJClSVVjNANs1yZYw6hZaNT1v3NZH0D89XoXE…
selectors probed

Certificate (current)

WE1
from 2026-04-17 to 2026-07-16
Expires in 41 days

Full certificate history on crt.sh ↗

Linked from (2)