This is not correct. Underscores are very common in records. In fact, they are required for Microsoft Active Directory environments. See this RFC for an example: https://www.rfc-editor.org/rfc/rfc2782
_ldap._tcp.example.com
This is not correct. Underscores are very common in records. In fact, they are required for Microsoft Active Directory environments. /www.rfc- editor. org/rfc/ rfc2782
See this RFC for an example: https:/
_ldap._ tcp.example. com