shell:$ nslookup -timeout=2 -retry=1 't1.kakaocdn.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
t1.kakaocdn.net	canonical name = t1-kakao-6sckabcs.kgslb.com.
t1-kakao-6sckabcs.kgslb.com	canonical name = t1.kakaocdn.net.edgesuite.net.
t1.kakaocdn.net.edgesuite.net	canonical name = a1928.dscw39.akamai.net.
Name:	a1928.dscw39.akamai.net
Address: 23.212.239.204
Name:	a1928.dscw39.akamai.net
Address: 23.212.239.206
Name:	a1928.dscw39.akamai.net
Address: 2600:1405:d400:f::17c7:364c
Name:	a1928.dscw39.akamai.net
Address: 2600:1405:d400:f::17c7:3650