References
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http://www.ietf.org/rfc/rfc1034.txt, RFC 1034
     Mockapetris, P., "Domain Names - Concepts and Facilities", STD 13, RFC 1034, November 1987.

http://www.ietf.org/rfc/rfc1035.txt, RFC 1035
     Mockapetris, P., "Domain Names - Implementation and Specification", STD 13, RFC 1035, November 1987.

http://www.ietf.org/rfc/rfc1183.txt, RFC 1183
     Everhart, C., et. al., "New DNS RR Definitions", RFC 1183, October 1990.

http://www.ietf.org/rfc/rfc1537.txt, RFC 1537
     Beertema, P., "Common DNS Data File Configuration Errors", RFC 1537, October 1993.

http://www.ietf.org/rfc/rfc1700.txt, RFC 1700
     Reynolds, J. and Postel, J., "Assigned Numbers", STD 2, RFC 1700, October 1994.

http://www.ietf.org/rfc/rfc2136.txt, RFC 2136
     Vixie, P., et. al., "Dynamic Updates in the Domain Name System (DNS UPDATE)", RFC 1537, April 1997.

http://www.ietf.org/rfc/rfc2317.txt, RFC 2317
     Eidnes, H., et. al., "Classless IN-ADDR.ARPA delegation", BCP 20, RFC 1537, March 1998.

http://www.ietf.org/rfc/rfc2782.txt, RFC 2782
     Gulbrandsen, et al., "A DNS RR for specifying the location of services (DNS SRV)", RFC 2782, February 2000.

http://www.ietf.org/rfc/rfc2915.txt, RFC 2915
     Mealling, M. and Daniel, R., "The Naming Authority Pointer (NAPTR) DNS Resource Record", RFC 2915, September 2000.