app.ia64.org has no CNAME records.
Question and response
Question
dig app.ia64.org. NS
Answer
The response has no answer records.
Authority
ia64.org. 1800 SOA keenan.ns.cloudflare.com. dns.cloudflare.com. 2398562589 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0