@misc{rfc8738,
    series =    {Request for Comments},
    number =    8738,
    howpublished =  {RFC 8738},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC8738},
    url =       {https://www.rfc-editor.org/info/rfc8738},
    author =    {Roland Bracewell Shoemaker},
    title =     {{Automated Certificate Management Environment (ACME) IP Identifier Validation Extension}},
    pagetotal = 5,
    year =      2020,
    month =     feb,
    abstract =  {This document specifies identifiers and challenges required to enable the Automated Certificate Management Environment (ACME) to issue certificates for IP addresses.},
}