shell:$ nslookup -timeout=2 -retry=1 'cb9a7a3f-5048.mx.mastercontrol.technology'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	cb9a7a3f-5048.mx.mastercontrol.technology
Address: 143.204.204.23
Name:	cb9a7a3f-5048.mx.mastercontrol.technology
Address: 143.204.204.71
Name:	cb9a7a3f-5048.mx.mastercontrol.technology
Address: 143.204.204.99
Name:	cb9a7a3f-5048.mx.mastercontrol.technology
Address: 143.204.204.52