ns19092188167.a2dns.com has no CNAME records.
Question and response
Question
dig ns19092188167.a2dns.com. NS
Answer
The response has no answer records.
Authority
a2dns.com. 10243 SOA ns0090.secondary.cloudflare.com. sys.a2hosting.com. 2341945130 14400 7200 1814400 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0