[RFC2065] Eastlake, D., and C. Kaufman, "Domain Name System Security Extensions", RFC 2065, CyberCash, Iris, January 1997. [RFC2136] Vixie, P., Editor, Thomson, T., Rekhter, Y., and J. Bound, "Dynamic Updates in the Domain Name System (DNS UPDATE)", RFC 2136, April 1997. [RFC1035] Mockapetris, P., "Domain Names - Implementation and Specifications", STD 13, RFC 1035, November 1987. [RFC1034] Mockapetris, P., "Domain Names - Concepts and Facilities", STD 13, RFC 1034, November 1987.