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

Non-authoritative answer:
secure.instagram.com	canonical name = secure.c10r.facebook.com.
Name:	secure.c10r.facebook.com
Address: 57.144.172.139
Name:	secure.c10r.facebook.com
Address: 2a03:2880:f356:8b:face:b00c:0:2b80