shell:$ nslookup -timeout=2 -retry=1 'pcscf.ims.mnc861.mcc405.pub.3gppnetwork.org'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	pcscf.ims.mnc861.mcc405.pub.3gppnetwork.org
Address: 49.44.64.24