[enum-wg] Delegation of 9.3.e164.arpa / ENUM DNS Quality

All,

this has been fixed on Wednesday, 3 May 06.

Thanks to all who have taken care of the issue.

Best,

	Carsten

Otmar Lendl wrote:
> Folks,
> 
> domain:         9.3.e164.arpa
> descr:          Italy ENUM Mapping
> nserver:        dns.istsupcti.it
> nserver:        dns2.istsupcti.it
> remarks:        Ministero delle Comunicazioni - http://www.comunicazioni.it
> remarks:        Istituto Superiore delle Comunicazioni e delle tecnologie dell'Informazione
> remarks:        http://www.iscom.gov.it
> 
> but:
> 
> ; <<>> DiG 9.2.4 <<>> 9.3.e164.arpa ns @dns.istsupcti.it
> ;; global options:  printcmd
> ;; connection timed out; no servers could be reached
> 
> and 
> 
> ; <<>> DiG 9.2.4 <<>> 9.3.e164.arpa ns @dns2.istsupcti.it
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4925
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;9.3.e164.arpa.			IN	NS
> 
> ;; AUTHORITY SECTION:
> arpa.			3600	IN	SOA	ns1.istsupcti.it. administrator.istsupcti.it. 2006022816 900 600 86400 3600
> 
> --------------
> 
> Some people seem to view that as they only run a trial (if at all) on
> their ENUM country-code delegation, nameserver performance and
> reliability does not matter.
> 
> This is wrong. ENUM is in production in other countries. A lot of
> SIP proxies query e164.arpa for all calls to E.164 numbers.
> That includes calls to countries where ENUM is not in production yet.
> 
> Calls to Italy are thus running into a DNS timeout. 
> 
> This is not good.
> 
> So please: Even if you are not in production with your country-code:
> 
>      PLEASE MAKE SURE THAT YOUR NAMESERVERS ANSWER. 
>      EVEN IF ALL THEY EVER SEND IS NXDOMAIN.
> 
> Thank you.
> 
> /ol