SOA
Start of Authority
Primary NS
Mailbox
awsdns-hostmaster.amazon.com
Serial
1
Refresh
7200
Retry
900
Expire
1209600
Minimum TTL
86400
TXT
TXT Records
v=spf1 ip4:54.240.72.218 ip4:54.240.72.217 ip4:107.170.129.103 ip4:96.84.214.245 include:awsmail.muzzylane.com include:_spf.google.com include:servers.mcsv.net include:6673042.spf10.hubspotemail.net ~all