shell:$ nslookup -timeout=2 -retry=1 'd.btttag.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	d.btttag.com
Address: 104.20.19.172
Name:	d.btttag.com
Address: 172.66.168.134
Name:	d.btttag.com
Address: 2606:4700:10::ac42:a886
Name:	d.btttag.com
Address: 2606:4700:10::6814:13ac