%% You should probably cite draft-durand-object-exchange instead of this I-D.
@techreport{durand-doa-over-dns-02,
    number =    {draft-durand-doa-over-dns-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-durand-doa-over-dns/02/},
    author =    {Alain Durand and Ray Bellis},
    title =     {{DOA over DNS}},
    pagetotal = 8,
    year =      2017,
    month =     jul,
    day =       25,
    abstract =  {Abstract This document defines a DOA RR type to implement the Digital Object Architecture over DNS.},
}