SOA
Start of Authority
Primary NS
Mailbox
hostmaster.backbone.sk
Serial
2019021402
Refresh
21600
Retry
3600
Expire
2419200
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx a:smtpedge01.backbone.sk a:ras.backbone.sk a:mail-out-00.backbone.sk a:mail-out-01.backbone.sk a:mail-out-02.backbone.sk a:mail-out-03.backbone.sk -all
spf2.0/pra mx a:smtpedge01.backbone.sk a:ras.backbone.sk a:mail-out-00.backbone.sk a:mail-out-01.backbone.sk a:mail-out-02.backbone.sk a:mail-out-03.backbone.sk -all
A
IPv4 Addresses
AAAA