%% You should probably cite rfc9077 instead of this I-D.
@techreport{ietf-dnsop-nsec-ttl-02,
    number =    {draft-ietf-dnsop-nsec-ttl-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-ietf-dnsop-nsec-ttl/02/},
    author =    {Peter van Dijk},
    title =     {{NSEC(3) TTLs and NSEC Aggressive Use}},
    pagetotal = 8,
    year =      2021,
    month =     jan,
    day =       29,
    abstract =  {Due to a combination of unfortunate wording in earlier documents, aggressive use of NSEC(3) records may deny names far beyond the intended lifetime of a denial. This document changes the definition of the NSEC(3) TTL to correct that situation. This document updates RFC 4034, RFC 4035, and RFC 5155.},
}