shell:$ nslookup -timeout=2 -retry=1 'onboarding.cosmote.gr'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
onboarding.cosmote.gr	canonical name = a4aohd3.ng.impervadns.net.
Name:	a4aohd3.ng.impervadns.net
Address: 45.60.11.22