shell:$ nslookup -timeout=2 -retry=1 'acs.3dsecure.az'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
acs.3dsecure.az	canonical name = 54fb0ab8bf2848c49a35c9626ab369d1.pacloudflare.com.
Name:	54fb0ab8bf2848c49a35c9626ab369d1.pacloudflare.com
Address: 172.65.249.23