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

Non-authoritative answer:
admin.instagram.com	canonical name = intern-managed-client.c10r.facebook.com.
Name:	intern-managed-client.c10r.facebook.com
Address: 31.13.80.25
Name:	intern-managed-client.c10r.facebook.com
Address: 2a03:2880:f356:86:face:b00c:0:420d