SOA
Start of Authority
Primary NS
Mailbox
hostmaster.research-masters.com
Serial
2024060512
Refresh
3600
Retry
900
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:157.7.184.12 include:mxr.valueserver.jp ~all