%% You should probably cite draft-ietf-dnsop-structured-dns-error instead of this I-D.
@techreport{wing-dnsop-structured-dns-error-page-00,
    number =    {draft-wing-dnsop-structured-dns-error-page-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-wing-dnsop-structured-dns-error-page/00/},
    author =    {Dan Wing and Tirumaleswar Reddy.K and Neil Cook and Mohamed Boucadair},
    title =     {{Structured Data for DNS Access Denied Error Page}},
    pagetotal = 9,
    year =      2021,
    month =     jul,
    day =       9,
    abstract =  {It can be valuable to communicate computer-parsable details about DNS filtering to assist troubleshooting and problem resolution. This document describes structured data to provide these details.},
}