shell:$ nslookup -timeout=2 -retry=1 'i.instagram.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
i.instagram.com	canonical name = instagram.c10r.instagram.com.
Name:	instagram.c10r.instagram.com
Address: 157.240.0.63
Name:	instagram.c10r.instagram.com
Address: 2a03:2880:f277:1c6:face:b00c:0:43fe