shell:$ nslookup -timeout=2 -retry=1 'deb.debian.org'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
deb.debian.org	canonical name = debian.map.fastlydns.net.
Name:	debian.map.fastlydns.net
Address: 151.101.130.132
Name:	debian.map.fastlydns.net
Address: 151.101.194.132
Name:	debian.map.fastlydns.net
Address: 151.101.2.132
Name:	debian.map.fastlydns.net
Address: 151.101.66.132
Name:	debian.map.fastlydns.net
Address: 2a04:4e42::644
Name:	debian.map.fastlydns.net
Address: 2a04:4e42:200::644
Name:	debian.map.fastlydns.net
Address: 2a04:4e42:400::644
Name:	debian.map.fastlydns.net
Address: 2a04:4e42:600::644