[VoIP] ENUM Round Robin DNS?

[Greg Blakely]

Looks like the NAPTR stuff works the same way:

root at mx1:/etc/namedb # dig 1.8.0.8.4.4.std.ckts.info NAPTR

; <<>> DiG 9.3.1 <<>> 1.8.0.8.4.4.std.ckts.info NAPTR
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37092
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;1.8.0.8.4.4.std.ckts.info.     IN      NAPTR

;; ANSWER SECTION:
1.8.0.8.4.4.std.ckts.info. 60   IN      NAPTR   100 10 "u" "E2U+IAX2"
"!^\\+*(.*)$!iax2:cnetguest at 81.174.170.48/\\1!" .
1.8.0.8.4.4.std.ckts.info. 60   IN      NAPTR   100 10 "u" "E2U+IAX2"
"!^\\+*(.*)$!iax2:cnet at ecmo.dyndns.info/\\1!" .

;; AUTHORITY SECTION:
ckts.info.              10800   IN      NS      ns02.vyger.net.
ckts.info.              10800   IN      NS      prlkmngbds0.ckts.info.

;; ADDITIONAL SECTION:
ns02.vyger.net.         86400   IN      A       209.98.47.194
prlkmngbds0.ckts.info.  10800   IN      A       76.164.8.100

;; Query time: 2 msec
;; SERVER: 172.16.10.4#53(172.16.10.4)
;; WHEN: Mon Jun 11 22:15:08 2007
;; MSG SIZE  rcvd: 271

root at mx1:/etc/namedb # dig 1.8.0.8.4.4.std.ckts.info NAPTR

; <<>> DiG 9.3.1 <<>> 1.8.0.8.4.4.std.ckts.info NAPTR
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12855
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;1.8.0.8.4.4.std.ckts.info.     IN      NAPTR

;; ANSWER SECTION:
1.8.0.8.4.4.std.ckts.info. 60   IN      NAPTR   100 10 "u" "E2U+IAX2"
"!^\\+*(.*)$!iax2:cnet at ecmo.dyndns.info/\\1!" .
1.8.0.8.4.4.std.ckts.info. 60   IN      NAPTR   100 10 "u" "E2U+IAX2"
"!^\\+*(.*)$!iax2:cnetguest at 81.174.170.48/\\1!" .

;; AUTHORITY SECTION:
ckts.info.              10800   IN      NS      prlkmngbds0.ckts.info.
ckts.info.              10800   IN      NS      ns02.vyger.net.

;; ADDITIONAL SECTION:
ns02.vyger.net.         86400   IN      A       209.98.47.194
prlkmngbds0.ckts.info.  10800   IN      A       76.164.8.100

;; Query time: 1 msec
;; SERVER: 172.16.10.4#53(172.16.10.4)
;; WHEN: Mon Jun 11 22:15:16 2007
;; MSG SIZE  rcvd: 271 

> -----Original Message-----
> From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] 
> On Behalf Of Jonathan Kay
> Sent: Monday, June 11, 2007 7:50 AM
> To: Voice Over IP Tandem for Analog Switches
> Subject: Re: [VoIP] ENUM Round Robin DNS?
> 
> I've just tried dig robin, and it  alternates from my Asterisk box.
> Can we try this for real please Greg?
> code 448081 to Ian Jolly and Me.
> 
> cnetguest at 81.174.170.48
> cnet at ecmo.dyndns.info
> 
> As I understand this, if we come across a conflict, where an 
> Office code coincides this shouldn't be a problem?
> For example Code only 44 151, and an office code  44 (0) 
> 151xxx, the longer string will match first, and route to that 
> office. A code only call will match and route to the RR list?  
> Many thanks
> 
> Jon
> 
> 
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> 
>