4
records
Canonical Names
TTL
CNAME
4m
mail.thecoursekey.com. 299 IN CNAME u1692635.wl.sendgrid.net.
Mail Servers
TTL
5m
mail.thecoursekey.com. 300 IN MX 20 mx.sendgrid.net.
Text Content
TTL
TXT
SPF
v=spf1 include:sendgrid.net ~all
5m
mail.thecoursekey.com. 300 IN TXT "v=spf1 include:sendgrid.net ~all"