sh1.dns.sa has no CNAME records.
Question and response
Question
dig sh1.dns.sa. NS
Answer
The response has no answer records.
Authority
dns.sa. 3163 SOA ns1.nic.sa. hostmaster.nic.sa. 2026030601 10800 3600 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0