hvacdoctor.com. 30 IN TXT "v=spf1 -all" hvacdoctor.com. 30 IN TXT "v=DMARC1; p=reject; adkim=s; aspf=s;" hvacdoctor.com. 30 IN A 164.90.244.158 hvacdoctor.com. 30 IN A 159.89.244.183