@misc{rfc4501,
    series =    {Request for Comments},
    number =    4501,
    howpublished =  {RFC 4501},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4501},
    url =       {https://www.rfc-editor.org/info/rfc4501},
    author =    {Simon Josefsson},
    title =     {{Domain Name System Uniform Resource Identifiers}},
    pagetotal = 10,
    year =      2006,
    month =     may,
    abstract =  {This document defines Uniform Resource Identifiers for Domain Name System resources. {[}STANDARDS-TRACK{]}},
}