smtp.cz

.cz dns

First seen 2026-05-22 · Last seen 2026-05-31 · ok HTTP 200 5518 ms crawled 2026-05-28

CZ · 81.95.96.23 · AS25234 ACTIVE 24, s.r.o.

Reputation 67/100 wrong cert no dmarc policy

Registration

Registrar

REG-ACTIVE24

Created

2001-12-19

Expires

2030-12-19 1662 days left

Updated

2021-11-08

Name servers

alfa.ns.active24.cz
beta.ns.active24.cz
gama.ns.active24.sk

DNS records live

NS

alfa.ns.active24.cz
beta.ns.active24.cz
gama.ns.active24.sk

MX

10 mx1.active24.com
20 mx2.active24.com

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current) wrong cert

RapidSSL TLS RSA CA G1

from 2026-01-26 to 2027-01-27

Expires in 240 days

Full certificate history on crt.sh ↗