shell:$ nslookup -timeout=2 -retry=1 'docs.bugv.io'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
docs.bugv.io	canonical name = hosting.gitbook.io.
Name:	hosting.gitbook.io
Address: 104.18.40.47
Name:	hosting.gitbook.io
Address: 172.64.147.209
Name:	hosting.gitbook.io
Address: 2606:4700:4407::6812:282f
Name:	hosting.gitbook.io
Address: 2606:4700:4402::ac40:93d1