shell:$ nslookup -timeout=2 -retry=1 'mail.mydata2u.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	mail.mydata2u.com
Address: 202.75.41.75
;; communications error to 127.0.0.53#53: timed out
;; no servers could be reached