mx1.dfw1.rackspace.com NS records

NS Authoritative DNS server
5m
ns.rackspace.com
ns2.rackspace.com

Question and response

Question

dig mx1.dfw1.rackspace.com. NS

Answer

mx1.dfw1.rackspace.com. 300 NS ns2.rackspace.com. mx1.dfw1.rackspace.com. 300 NS ns.rackspace.com.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0