_spflarge.globnix.net has no CNAME records.
Question and response
Question
dig _spflarge.globnix.net. NS
Answer
The response has no answer records.
Authority
globnix.net. 600 SOA nlns.globnix.net. dnsadmin.globnix.net. 2026021064 3600 1200 864000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0