SOA
Start of Authority
Primary NS
Mailbox
awsdns-hostmaster.amazon.com
Serial
1
Refresh
7200
Retry
900
Expire
1209600
Minimum TTL
86400
NS
Nameservers
TXT
TXT Records
v=spf1 a ip4:67.220.121.213 include:spf.emailsignatures365.com include:mxlogic.net include:us._netblocks.mimecast.com mx -all ms=ms12640583