jon.cz DNS records

A IPv4 address

JON.CZ s.r.o.

AS196735

Czechia

Kolín, Central Bohemia

AAAA IPv6 address

jon.cz has no AAAA records.

CNAME Canonical name

Apex domains cannot have CNAME records.

TXT Human readable text

SPF

Sender policy

Google

Domain verification

google-site-verification=FwlUy7dAemqH4RJzgrzPGETcEptHuEzz25v2vHX9tUo

MX Mail server

mx.jon.cz 50 Primary

NS Authoritative DNS server

SOA Start of authority

Zone apex

Start of authority

Serial

2026012103

Refresh

Retry

30m

Expire

Negative cache TTL

Other record types