SOA
Start of Authority
Primary NS
Mailbox
hostmaster.blueboard.cz
Serial
2016051581
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
38400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=39f7e3d8a9a7a7048ba101a5d2e16c5717969acd
v=spf1 a mx include:spf.blueboard.cz include:_spf.protonmail.ch mx ~all
A
IPv4 Addresses
AAAA