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: 54.146.242.85
Name:	mx.yomobile.com
Address: 52.86.135.36