美ISP Comcast DNS伺服器列表1

據說”工信部將推境外域名”白名單”制度: 除了少數國際性的大網站，沒有主動”備案”，或者無法通過中國政府”備案”的境外網站，將從技術上無法解析域名”
為了規避不可抗拒的災難，先預留清單：

Geographic Location> Primary DNS Secondary DNS
National DNS Servers 68.87.85.102 (West Coast) 68.87.64.150 (East Coast)
Atlanta 68.87.68.166 68.87.74.166
Augusta 68.87.68.166 68.87.74.166

Charleston 68.87.68.166 68.87.74.166
Chattanooga 68.87.68.166 68.87.74.166
Dallas 68.87.68.166 68.87.74.166
East Tennessee 68.87.68.166 68.87.74.166
Hattiesburg-Laurel 68.87.68.166 68.87.74.166
Huntsville 68.87.68.166 68.87.74.166
Knoxville 68.87.68.166 68.87.74.166
Little Rock 68.87.68.166 68.87.74.166
Meridian 68.87.68.166 68.87.74.166
Mobile 68.87.68.166 68.87.74.166
Nashville 68.87.68.166 68.87.74.166
Savannah 68.87.68.166 68.87.74.166
Tuscaloosa 68.87.68.166 68.87.74.166
Oregon 68.87.69.150 68.87.85.102
Spokane 68.87.69.150 68.87.85.102
Washington 68.87.69.150 68.87.85.102
Chicago 68.87.72.134 68.87.77.134
Fort Wayne 68.87.72.134 68.87.77.134
Illinois 68.87.72.134 68.87.77.134
Independence 68.87.72.134 68.87.77.134
Indianapolis 68.87.72.134 68.87.77.134
Muncie 68.87.72.134 68.87.77.134
Olathe 68.87.72.134 68.87.77.134
Paducah 68.87.72.134 68.87.77.134
South Bend 68.87.72.134 68.87.77.134
Massachusetts 68.87.71.230 68.87.73.246
Connecticut 68.87.71.230 68.87.73.246
New England 68.87.71.230 68.87.73.246
Albuquerque 68.87.85.102 68.87.69.150
Colorado 68.87.85.102 68.87.69.150
Pima 68.87.85.102 68.87.69.150
Texas 68.87.85.102 68.87.69.150
Utah 68.87.85.102 68.87.69.150
Battle Creek 68.87.77.134 68.87.72.134
Michigan 68.87.77.134 68.87.72.134
Minnesota 68.87.77.134 68.87.72.134
Chesterfield 68.87.73.246 68.87.71.230
Richmond 68.87.73.246 68.87.71.230
Washington DC 68.87.73.246 68.87.71.230
Jacksonville 68.87.74.166 68.87.68.166
Lake County 68.87.74.166 68.87.68.166
Miami 68.87.74.166 68.87.68.166
Naples 68.87.74.166 68.87.68.166
Panama City 68.87.74.166 68.87.68.166
Tallahassee 68.87.74.166 68.87.68.166
West Florida 68.87.74.166 68.87.68.166
Los Angeles 68.87.76.182 68.87.78.134
Philadelphia 68.87.64.150 68.87.75.198
Elyria 68.87.75.198 68.87.64.150
Pennsylvania 68.87.75.198 68.87.64.150
Fresno 68.87.76.182 68.87.78.134
Sacramento 68.87.76.182 68.87.78.134
San Francisco Bay Area 68.87.76.182 68.87.78.134
Stockton 68.87.76.182 68.87.78.134