_spf.web4u.cz DNS records

A IPv4 address
1m
_spf.web4u.cz has no A records.
AAAA IPv6 address
1m
_spf.web4u.cz has no AAAA records.
CNAME Canonical name
1m
_spf.web4u.cz has no CNAME records.
TXT Human readable text
1m
SPF
Sender policy
v=spf1 ip4:81.91.86.0/23 ip6:2001:1568::/64 ip6:2001:1568:502::/48 -all
MX Mail server
1m
_spf.web4u.cz has no MX records.
NS Authoritative DNS server
1m
_spf.web4u.cz has no NS records.
NS records for this zone are defined at web4u.cz.
trace _spf.web4u.cz NS records for web4u.cz
SOA Start of authority
1m
Zone apex
Start of authority
Email
[email protected]
Serial
2026021711
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