SOA
Start of Authority
Primary NS
Mailbox
root.sinotruk-hrt.com
Serial
2016092700
Refresh
7200
Retry
1800
Expire
1209600
Minimum TTL
7200
MX
Mail Exchangers
TXT
TXT Records
202208030000001tp17ob0laggfcbib5uj24pgsyi89r6up0i1f023u20paj5qdr
v=spf1 include:spf.163.com -all
A