shell:$ nslookup -timeout=2 -retry=1 'p16-pu-sign-useast8.tiktokcdn-us.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
p16-pu-sign-useast8.tiktokcdn-us.com	canonical name = p16-pu-sign-useast8.tiktokcdn-us.com.edgesuite.net.
p16-pu-sign-useast8.tiktokcdn-us.com.edgesuite.net	canonical name = a901.mm3.akamai.net.
Name:	a901.mm3.akamai.net
Address: 23.199.54.13
Name:	a901.mm3.akamai.net
Address: 23.199.54.14