# Syntax Test Plan These are tests of the syntax of different labels in DNS, such as domain names and host names. This document uses the terminology defined in the [Master Test Plan]. [Master Test Plan]: ../MasterTestPlan.md [Test Case README]: ../README.md ## Test cases list |Test Case |Test Case Description| |:---------|:--------------------| |[SYNTAX01](syntax01.md)|No illegal characters in the domain name| |[SYNTAX02](syntax02.md)|No hyphen ('-') at the start or end of the domain name| |[SYNTAX03](syntax03.md)|There must be no double hyphen ('--') in position 3 and 4 of the domain name| |[SYNTAX04](syntax04.md)|The NS name must have a valid domain/hostname| |[SYNTAX05](syntax05.md)|Misuse of '@' character in the SOA RNAME field| |[SYNTAX06](syntax06.md)|No illegal characters in the SOA RNAME field| |[SYNTAX07](syntax07.md)|No illegal characters in the SOA MNAME field| |[SYNTAX08](syntax08.md)|MX name must have a valid hostname|