security.mss.savvis.net has no CNAME records.
Question and response
Question
dig security.mss.savvis.net. NS
Answer
The response has no answer records.
Authority
mss.savvis.net. 182 SOA ns2.savvis.net. dns-admin.centurylink.com. 2251009010 3600 1800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0