@misc{rfc1664,
    series =    {Request for Comments},
    number =    1664,
    howpublished =  {RFC 1664},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC1664},
    url =       {https://www.rfc-editor.org/info/rfc1664},
    author =    {Claudio Allocchio and Antonio B. Bonito and Bruce A. Cole and Silvia Giordano and Robert Hagens},
    title =     {{Using the Internet DNS to Distribute RFC1327 Mail Address Mapping Tables}},
    pagetotal = 23,
    year =      1994,
    month =     aug,
    abstract =  {This memo defines how to store in the Internet Domain Name System the mapping information needed by e-mail gateways and other tools to map RFC822 domain names into X.400 O/R names and vice versa. This memo defines an Experimental Protocol for the Internet community.},
}