%% You should probably cite rfc8106 instead of this I-D.
@techreport{ietf-6man-rdnss-rfc6106bis-15,
    number =    {draft-ietf-6man-rdnss-rfc6106bis-15},
    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-6man-rdnss-rfc6106bis/15/},
    author =    {Jaehoon Paul Jeong and Soohong Daniel Park and Luc Beloeil and Syam Madanapalli},
    title =     {{IPv6 Router Advertisement Options for DNS Configuration}},
    pagetotal = 17,
    year =      2017,
    month =     jan,
    day =       17,
    abstract =  {This document specifies IPv6 Router Advertisement (RA) options (called DNS RA options) to allow IPv6 routers to advertise a list of DNS recursive server addresses and a DNS Search List to IPv6 hosts. This document, which obsoletes RFC 6106, defines a higher default value of the lifetime of the DNS RA options to reduce the likelihood of expiry of the options on links with a relatively high rate of packet loss.},
}