server4u.cz DNS records

A IPv4 address
10m
81.91.86.27
Web4U s.r.o.
AS39790
Czechia
Prague, Prague
AAAA IPv6 address
10m
server4u.cz has no AAAA records.
CNAME Canonical name
Apex domains cannot have CNAME records.
TXT Human readable text
10m
server4u.cz has no TXT records.
MX Mail server
10m
mx1.mailchannels.net 10 Primary
mx2.mailchannels.net 10 Primary
NS Authoritative DNS server
10m
ns.web4u.cz
ns2.web4u.cz
SOA Start of authority
10m
Zone apex
Start of authority
Email
[email protected]
Serial
2026021701
Refresh
4h
Retry
1h
Expire
14d
Negative cache TTL
4h

Other record types

A AAAA AFSDB APL AXFR CAA CDNSKEY CDS CERT CNAME CSYNC DHCID DLV DNAME DNSKEY DS EUI48 EUI64 HINFO HIP HTTPS IPSECKEY IXFR KEY KX LOC MX NAPTR NS NSEC3 NSEC3PARAM NSEC NXT OPENPGPKEY OPT PTR RP RRSIG SIG SMIMEA SOA SPF SSHFP SVCB SRV TA TKEY TLSA TSIG TXT URI ZONEMD