%% You should probably cite rfc3646 instead of this I-D.
@techreport{ietf-dhc-dhcpv6-opt-dnsconfig-04,
    number =    {draft-ietf-dhc-dhcpv6-opt-dnsconfig-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-dhc-dhcpv6-opt-dnsconfig/04/},
    author =    {Ralph Droms},
    title =     {{DNS Configuration options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)}},
    pagetotal = 7,
    year =      2003,
    month =     aug,
    day =       25,
    abstract =  {This document describes Dynamic Host Configuration Protocol for IPv6 (DHCPv6) options for passing a list of available DNS recursive name servers and a domain search list to a client.},
}