web4u.cz DNS records

A IPv4 address
1m
81.91.86.19
Web4U s.r.o.
AS39790
Czechia
Prague, Prague
AAAA IPv6 address
1m
2001:1568::19
Web4U s.r.o.
AS39790
Czechia
Prague, Prague
CNAME Canonical name
Apex domains cannot have CNAME records.
TXT Human readable text
1m
SPF
Sender policy
v=spf1 ip4:81.91.87.150 ip4:81.91.87.80 ip4:81.91.87.60 ip4:81.91.87.250 ip4:81.91.87.34/31 ip4:81.91.87.249 ip4:81.91.87.236 ip6:2001:1568:502:1::/64 ip6:2001:1568:502:2::/64 ip6:2001:1568:502:3::/64 ip6:2001:1568::7060 ip6:2001:1568::7236 ip4:77.78.104.121 ip6:2001:1528:137::a include:_spf.jupiter.salesmanago.pl -all
Microsoft
Domain verification
MS=0394720CC11BB6E64FFED5064A40D0401C20807E
Zoho
Domain verification
zoho-verification=zb27107936.zmverify.zoho.eu
smv=9d9c9b062c03b840
MX Mail server
1m
mx.web4u.cz 10 Primary
NS Authoritative DNS server
1m
ns.web4u.cz
ns2.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