SOA
Start of Authority
Primary NS
Mailbox
hostmaster.1und1.com
Serial
2017060186
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=DMARC1; p=quarantine; adkim=s; aspf=s
v=spf1 +a +mx +a:topupapps.com -all
A