[ipv6-dns]
Overview ipv6 DNS section.
- dns=IPv6_address
- By default is not defined. - Specifies IPv6 DNS to be sent to peer. You may specify up to 3 dns options. 
- dnssl=name
- By default is not defined. - Specify DNS Search List. You may specify multiple dns and dnssl options. 
Note:
Also DNS addresses may be described like
[ipv6-dns]
2001:4860:4860::8888
2001:4860:4860::8844