osdn.services.net has no CNAME records.
Question and response
Question
dig osdn.services.net. NS
Answer
The response has no answer records.
Authority
services.net. 3216 SOA sdn.iecc.com. dnsmaster.iecc.com. 2026022306 10800 900 604800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0