backmx.iol.cz DNS records

A IPv4 address
3h
194.228.41.112
O2 Czech Republic, a.s.
AS5610
Czechia
Prague, Prague
AAAA IPv6 address
3h
backmx.iol.cz has no AAAA records.
CNAME Canonical name
1h 21m 47s
backmx.iol.cz has no CNAME records.
TXT Human readable text
3h
SPF
Sender policy
v=spf1 a -all
MX Mail server
3h
backmx.iol.cz has no MX records.
NS Authoritative DNS server
3h
backmx.iol.cz has no NS records.
NS records for this zone are defined at iol.cz.
NS records for iol.cz
SOA Start of authority
3h
Zone apex
Start of authority
Email
[email protected]
Serial
2026021801
Refresh
3h
Retry
1h
Expire
60d
Negative cache TTL
3h

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