ENUM. This tool in Name Server
Lookup accepts a fully qualified telephone number beginning
with the country code and returns any records maintained by
the end user in the ENUM registry in the public domain e164.arpa
(or any other root you choose).
Example
(parts of this query
have been altered to protect the privacy of the phone number
owner. The phone number is fictitious.)
[Start Queries]
Processing Telephone Number [+420596987654]
[Query in ENUM NAPTR namespace for 4.5.6.7.8.9.6.9.5.0.2.4.e164.arpa]
Server: unknown_server_name
Address: 208.200.248.1
Non-authoritative answer:
4.5.6.7.8.9.6.9.5.0.2.4.e164.arpa
NAPTR order = 200,
preference = 50
flags
= "u"
services
= "E2U+h323"
rule
= "!^\+(.*)$!h323:\1@xyzext.samplecompany.cz!"
replacement = (root)
4.5.6.7.8.9.6.9.5.0.2.4.e164.arpa
NAPTR order = 100,
preference = 50
flags
= "u"
services
= "E2U+sip"
rule
= "!^\+(.*)$!sip:\samplecompany.cz!"
replacement = (root)
Authoritative answers can be found from:
8.9.6.9.5.0.2.4.e164.arpa
NS nameserver
= ns.samplecompany.cz
8.9.6.9.5.0.2.4.e164.arpa
NS nameserver
= ns.samplecompany.net
ns.samplecompany.net
A
internet (IPv4) address = 255.254.253.233
[End Query]