A freeware program designed to query DNS for the ENUM
NAPTR mapping between a telephone number and a SIP,
H323, IAX2 or other URI. Use with VOIP systems to check
your e.164 or freenum or other mappings. This program
queries each DNS assigned to your system (or specifc
user defined DNS) using the e164.arpa or other root
tree for the corresponding NAPTR records and displays
them. Requires Windows 2008, 2003, Vista, XP, or 2000.

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