livedoor.biz.		600 IN SOA ns1.naver.jp. domain.linecorp.com. (
				1658628018 ; serial
				3532       ; refresh (58 minutes 52 seconds)
				600        ; retry (10 minutes)
				86400      ; expire (1 day)
				3600       ; minimum (1 hour)
				)

Name servers:
livedoor.biz.		600 IN NS ns2.naver.jp.
livedoor.biz.		600 IN NS adns2.naver.com.
livedoor.biz.		600 IN NS ns1.naver.jp.
livedoor.biz.		600 IN NS adns1.naver.com.