temac.edu.do.spf.auto.dnssmarthost.net has no A records.
Question and response
Question
dig _fa6af63b2b73d405064a7dea1b571837.spf.dnssmarthost.net. A
Answer
The response has no answer records.
Authority
spf.dnssmarthost.net. 86400 SOA ns1.spf.dnssmarthost.net. admins.siteground.com. 9081658 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0