SOA
Start of Authority
Primary NS
Mailbox
hostmaster.1and1.com
Serial
2017041305
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx ip4:109.234.161.131 include:_spf.perfora.net include:_spf-eu.ionos.com include:spf.sendinblue.com include:_spf.kundenserver.de ~all
A