%% You should probably cite draft-levine-dnsextlang-13 instead of this revision.
@techreport{levine-dnsextlang-04,
    number =    {draft-levine-dnsextlang-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-levine-dnsextlang/04/},
    author =    {John R. Levine},
    title =     {{An Extension Language for the DNS}},
    pagetotal = 9,
    year =      2012,
    month =     nov,
    day =       6,
    abstract =  {Adding new RRTYPEs to the DNS requires that DNS servers and provisioning software be upgraded to support each new RRTYPE in Master files. This document defines a DNS extension language intended to allow most new RRTYPEs to be supported by adding a line to a configuration file read by the DNS software, with no changed software.},
}