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

Non-authoritative answer:
recruit.kakaogames.com	canonical name = kakaogamesrecruit.career.greetinghr.com.
kakaogamesrecruit.career.greetinghr.com	canonical name = career.greetinghr.com.cdn.cloudflare.net.
Name:	career.greetinghr.com.cdn.cloudflare.net
Address: 104.18.20.228
Name:	career.greetinghr.com.cdn.cloudflare.net
Address: 104.18.21.228
Name:	career.greetinghr.com.cdn.cloudflare.net
Address: 2606:4700::6812:15e4
Name:	career.greetinghr.com.cdn.cloudflare.net
Address: 2606:4700::6812:14e4