3
records
Canonical Names
TTL
CNAME
19m
smtp.mathsolutions.com. 1199 IN CNAME mail.mathsolutions.com.
Text Content
TTL
TXT
SPF
v=spf1 ip4:206.165.240.0/21 ip4:97.107.16.0/20 -all
20m
smtp.mathsolutions.com. 1200 IN TXT "v=spf1 ip4:206.165.240.0/21 ip4:97.107.16.0/20 -all"