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

Non-authoritative answer:
Name:	mx.yomobile.com
Address: 13.217.122.186
Name:	mx.yomobile.com
Address: 3.215.148.88