%% You should probably cite draft-ietf-dnsop-delegation-only instead of this I-D.
@techreport{pwouters-powerbind-01,
    number =    {draft-pwouters-powerbind-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-pwouters-powerbind/01/},
    author =    {Paul Wouters and Liang Xia and Wes Hardaker},
    title =     {{The Delegation\_Only DNSKEY flag}},
    pagetotal = 7,
    year =      2018,
    month =     jun,
    day =       29,
    abstract =  {This document introduces a new DNSKEY flag called DELEGATION\_ONLY that indicates that the particular zone will never sign zone data across a label. That is, every label (dot) underneath is considered a zone cut and must have its own (signed) delegation.},
}