@techreport{moura-dnsop-negative-cache-loop-00,
    number =    {draft-moura-dnsop-negative-cache-loop-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-moura-dnsop-negative-cache-loop/00/},
    author =    {Giovane Moura and Wes Hardaker and John Heidemann and Sebastian Castro},
    title =     {{Negative Caching of Looping NS records}},
    pagetotal = 8,
    year =      2021,
    month =     nov,
    day =       7,
    abstract =  {This document updates guidance about detecting DNS loops in recursive resolver algorithms with new requirements to require recursive resolvers to detect loops and to implement negative caches.},
}