vsp.itsystem.se has no CNAME records.
Question and response
Question
dig vsp.itsystem.se. NS
Answer
The response has no answer records.
Authority
itsystem.se. 3600 SOA ns1.itsystem.se. info.itsystem.se. 2009031441 1200 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0