3
records
Canonical Names
TTL
CNAME
4m
app.thecoursekey.com. 298 IN CNAME u1692635.wl136.sendgrid.net.
Mail Servers
TTL
5m
app.thecoursekey.com. 300 IN MX 20 mx.sendgrid.net.
Text Content
TTL
TXT
SPF
v=spf1 ip4:149.72.65.118 -all
5m
app.thecoursekey.com. 300 IN TXT "v=spf1 ip4:149.72.65.118 -all"