SOA
Start of Authority
Primary NS
Mailbox
sa.dudns.com
Serial
2018080123
Refresh
3600
Retry
300
Expire
2592000
Minimum TTL
120
NS
Nameservers
TXT
TXT Records
v=DMARC1; p=none; rua=mailto:mailauth-reports@qq.com
v=spf1 include:spf.mail.qq.com ~all
A
IPv4 Addresses
CNAME