Reids-iMac:~ einsub$ nslookup www.naver.com ;; connection timed out; no servers could be reached Reids-iMac:~ einsub$ nslookup host 168.126.63.1 www.naver.com nslookup: couldn't get address for 'www.naver.com': not found Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ dig ^CReids-iMac:~ einsub$ Reids-iMac:~ einsub$ dig @168.126.63.1 naver.com a +norecursive Invalid option: +norecursive Usage: dig [@global-server] [domain] [q-type] [q-class] {q-opt} {global-d-opt} host [@local-server] {local-d-opt} [ host [@local-server] {local-d-opt} [...]] Use "dig -h" (or "dig -h | more") for complete list of options Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ dig @168.126.63.1 naver.com ^CReids-iMac:~ einsub$ dig @8.8.8.8 naver.com ^CReids-iMac:~ einsub$ Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ dig @168.126.63.1 naver.com +trace ; <<>> DiG 9.7.3-P3 <<>> @168.126.63.1 naver.com +trace ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ dig @8.8.8.8 naver.com +trace ; <<>> DiG 9.7.3-P3 <<>> @8.8.8.8 naver.com +trace ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached Reids-iMac:~ einsub$ dig @8.8.8.8 naver.com ns +trace ; <<>> DiG 9.7.3-P3 <<>> @8.8.8.8 naver.com ns +trace ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ dig @168.126.63.1 naver.com ns +trace ^CReids-iMac:~ einsub$ ping 168.126.63.1 PING 168.126.63.1 (168.126.63.1): 56 data bytes 64 bytes from 168.126.63.1: icmp_seq=0 ttl=52 time=3.780 ms 64 bytes from 168.126.63.1: icmp_seq=1 ttl=52 time=3.031 ms 64 bytes from 168.126.63.1: icmp_seq=2 ttl=52 time=3.408 ms ^C --- 168.126.63.1 ping statistics --- 3 packets transmitted, 3 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 3.031/3.406/3.780/0.306 ms Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ ping www.naver.com c ^C Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ Reids-iMac:~ einsub$ dig @168.126.63.1 naver.com a +trace ; <<>> DiG 9.7.3-P3 <<>> @168.126.63.1 naver.com a +trace ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached Reids-iMac:~ einsub$ dig @168.126.63.1 naver.com a +trace ######################################################################################## 인터넷 공유기를 껐다 켰습니다. ######################################################################################## ; <<>> DiG 9.7.3-P3 <<>> @168.126.63.1 naver.com a +trace ; (1 server found) ;; global options: +cmd . 498089 IN NS i.root-servers.net. . 498089 IN NS h.root-servers.net. . 498089 IN NS d.root-servers.net. . 498089 IN NS j.root-servers.net. . 498089 IN NS f.root-servers.net. . 498089 IN NS k.root-servers.net. . 498089 IN NS g.root-servers.net. . 498089 IN NS m.root-servers.net. . 498089 IN NS c.root-servers.net. . 498089 IN NS l.root-servers.net. . 498089 IN NS e.root-servers.net. . 498089 IN NS a.root-servers.net. . 498089 IN NS b.root-servers.net. ;; Received 512 bytes from 168.126.63.1#53(168.126.63.1) in 19 ms com. 172800 IN NS a.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. ;; Received 487 bytes from 199.7.83.42#53(l.root-servers.net) in 178 ms naver.com. 172800 IN NS ns2.naver.com. naver.com. 172800 IN NS ns1.naver.com. naver.com. 172800 IN NS ns3.naver.com. ;; Received 129 bytes from 192.52.178.30#53(k.gtld-servers.net) in 322 ms naver.com. 300 IN A 222.122.195.5 naver.com. 300 IN A 222.122.195.6 naver.com. 300 IN A 202.131.29.70 naver.com. 300 IN A 202.131.29.71 naver.com. 86400 IN NS ns1.naver.com. naver.com. 86400 IN NS ns2.naver.com. naver.com. 86400 IN NS ns3.naver.com. ;; Received 193 bytes from 175.158.30.90#53(ns3.naver.com) in 3 ms Reids-iMac:~ einsub$ dig @168.126.63.1 naver.com a +short +trace NS h.root-servers.net. from server 168.126.63.1 in 3 ms. NS i.root-servers.net. from server 168.126.63.1 in 3 ms. NS e.root-servers.net. from server 168.126.63.1 in 3 ms. NS b.root-servers.net. from server 168.126.63.1 in 3 ms. NS a.root-servers.net. from server 168.126.63.1 in 3 ms. NS k.root-servers.net. from server 168.126.63.1 in 3 ms. NS f.root-servers.net. from server 168.126.63.1 in 3 ms. NS l.root-servers.net. from server 168.126.63.1 in 3 ms. NS g.root-servers.net. from server 168.126.63.1 in 3 ms. NS d.root-servers.net. from server 168.126.63.1 in 3 ms. NS m.root-servers.net. from server 168.126.63.1 in 3 ms. NS j.root-servers.net. from server 168.126.63.1 in 3 ms. NS c.root-servers.net. from server 168.126.63.1 in 3 ms. A 202.131.29.70 from server ns1.naver.com in 4 ms. A 202.131.29.71 from server ns1.naver.com in 4 ms. A 222.122.195.5 from server ns1.naver.com in 4 ms. A 222.122.195.6 from server ns1.naver.com in 4 ms. Reids-iMac:~ einsub$