[RFC1035] Mockapetris, P., "Domain Names - Implementation and Specification", STD 13, RFC 1035, USC/Information Sciences Institute, November 1987. [RFC1982] Elz, R., "Serial Number Arithmetic", RFC 1982, University of Melbourne, August 1996. [RFC1995] Ohta, M., "Incremental Zone Transfer", RFC 1995, Tokyo Institute of Technology, August 1996. [RFC1996] Vixie, P., "A Mechanism for Prompt Notification of Zone Changes", RFC 1996, Internet Software Consortium, August 1996. [RFC2065] Eastlake, D., and C. Kaufman, "Domain Name System Protocol Security Extensions", RFC 2065, January 1997. [RFC2137] Eastlake, D., "Secure Domain Name System Dynamic Update", RFC 2137, April 1997.