web06.keepit.com has no CNAME records.
Question and response
Question
dig web06.keepit.com. NS
Answer
The response has no answer records.
Authority
keepit.com. 1240 SOA pns41.cloudns.net. hostmaster.keepit.com. 2026022336 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0