DNS 아래와 같습니다.
KT olleh
Primary DNS - 168.126.63.1
Secondary DNS - 168.126.63.2
SK Broadband
Primary DNS - 210.220.163.82
Secondary DNS - 219.250.36.130
LG U+
Primary DNS - 164.124.107.9
Secondary DNS - 203.248.242.2
Google Public
Primary DNS - 8.8.8.8
Secondary DNS - 8.8.4.4
