phx-fm-smtp.cgipdc.com has no NS records.
NS records for this zone are defined at cgipdc.com.
NS records for this zone are defined at cgipdc.com.
Question and response
Question
dig phx-fm-smtp.cgipdc.com. NS
Answer
The response has no answer records.
Authority
cgipdc.com. 600 SOA ns.cgi.com. dnsops\.gto.cgi.com. 791856047 1200 180 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0