DB32/T 3514.3-2019 电子政务外网建设规范 第3部分：IPv4域名规划

ICS35.240.01

L67

DB32

江苏省地方标准

DB32/T3514.3-2019

电子政务外网建设规范

第3部分:IPv4域名规划

ConstructionSpecificationsofE-GovernmentNetwork

Part3:IPv4domainnameplanning

2019-01-12发布2019-01-30实施

江苏省市场监督管理局发布

DB32/T3514.3—2019

目  次

前言.....................................................................................................................................................................II

1范围.................................................................................................................................................................1

2域名规划.........................................................................................................................................................1

2.1域名系统概述.........................................................................................................................................1

2.2域名编制原则.........................................................................................................................................1

2.3域名编制规则.........................................................................................................................................1

2.3.1域名结构.........................................................................................................................................1

2.3.2域名空间.........................................................................................................................................2

域名字母.................................................................................................................................2

省、市、部门代码.................................................................................................................2

3省电子政务外网域名编制.............................................................................................................................2

3.1顶级域名定义.........................................................................................................................................2

3.2第二级域名定义.....................................................................................................................................2

3.3第三级域名定义.....................................................................................................................................2

3.4第四级域名定义.....................................................................................................................................2

3.5第五级域名定义.....................................................................................................................................3

3.6域名定义举例.........................................................................................................................................3

附录A（资料性附录）江苏省设区市电子政务外网域名表................................................