indexo.dev

zpa.cz

.cz crawl

First seen 2026-05-19 · Last seen 2026-05-30 · pending crawled 2026-05-30 2 attempts

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 92/100 no dmarc policy

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000)

Registration

Registrar
REG-WEB4U
Created
1997-06-08
Expires
2027-10-12 498 days left
Updated
2012-09-14
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 0 zpa-cz.mail.eo.outlook.com
TXT
  • freelo-domain-verification=07c1267712edb5ea243fc90293019ec777cf7c8b82b6cd4656287e5e3809908a
  • MS=DC0DFEB46F1CDC5B7AE6152AF12F30FDCFC5386D
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 ip4:89.190.73.189 ip4:89.190.73.190 ip4:95.80.208.86 ip4:85.207.12.66 ip4:85.207.12.67 ip4:85.207.12.68 ip4:85.207.12.69 ip4:81.91.86.14 include:spf.protection.outlook.com include:_spf.web4u.cz -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Thawte TLS RSA CA G1
from 2026-05-13 to 2026-11-28
Expires in 180 days

Full certificate history on crt.sh ↗

Linked from (2)