ksc.net.th has no AAAA records.
Apex domains cannot have CNAME records.
v=sfp1 ip4:58.181.250.128/25 ip4:203.195.96.4 include:spf.ksc.net include:spf.protection.outlook.com -all
Zone apex
Start of authority
Email
Serial
2025111800
Refresh
1h
Retry
2h
Expire
7d
Negative cache TTL
1d