@techreport{fujiwara-dnsop-ds-query-increase-02,
    number =    {draft-fujiwara-dnsop-ds-query-increase-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-fujiwara-dnsop-ds-query-increase/02/},
    author =    {Kazunori Fujiwara},
    title =     {{Side effect of DNSSEC: an increase of DS queries}},
    pagetotal = 5,
    year =      2014,
    month =     jan,
    day =       20,
    abstract =  {An increase of periodic DS queries is observed at top level domain (TLD) DNS servers. The reason of the increase is low NCACHE TTL value and DS nonexistence. This memo presents issues with DNSSEC and small NCACHE TTL value, including possible countermeasures in order to prepare future increase of DS queries.},
}