D0.INFO.AFILIAS-NST.ORG has no CNAME records.
Question and response
Question
dig D0.INFO.AFILIAS-NST.ORG. NS
Answer
The response has no answer records.
Authority
info.afilias-nst.org. 6956 SOA . noc.afilias-nst.info. 2008123000 10800 3600 2592000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0