%% You should probably cite draft-ietf-pkix-caa instead of this I-D.
@techreport{hallambaker-donotissue-04,
    number =    {draft-hallambaker-donotissue-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-hallambaker-donotissue/04/},
    author =    {Phillip Hallam-Baker and Rob Stradling and Ben Laurie},
    title =     {{DNS Certification Authority Authorization (CAA) Resource Record}},
    pagetotal = 23,
    year =      2011,
    month =     may,
    day =       10,
    abstract =  {The Certification Authority Authorization (CAA) DNS Resource Record allows a DNS domain name holder to specify the certificate signing certificate(s) authorized to issue certificates for that domain. CAA resource records allow a public Certification Authority to implement additional controls to reduce the risk of unintended certificate mis- issue.},
}