@misc{rfc6563,
    series =    {Request for Comments},
    number =    6563,
    howpublished =  {RFC 6563},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6563},
    url =       {https://www.rfc-editor.org/info/rfc6563},
    author =    {Sheng Jiang and David R. Conrad and Brian E. Carpenter},
    title =     {{Moving A6 to Historic Status}},
    pagetotal = 8,
    year =      2012,
    month =     mar,
    abstract =  {This document provides a summary of issues related to the use of A6 records, discusses the current status, and moves RFC 2874 to Historic status, providing clarity to implementers and operators. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}