$ORIGIN test_zone.com.
yo CNAME 111.222.333.4.
mama CNAME 222.333.444.5.
@ SPF "v=spf1 include:sendgrid.biz ~all"
* TXT "v=spf1 include:sendgrid.biz ~all"
greasy CNAME 333.444.555.6.
granny CNAME 666.777.888.9.