@ns1.fatcow.com mx opphouseinc.org dnssec fda.gov @200.143.64.162 axfr simtelecom.net.br -t "cname" googleec29c0f501f436ce.greatrealestate.ca -t 'NS' natrualnews.com pioneerphysicians.com +bufsize=1024 +short rs.dns-oarc.net txt