[dns-operations] Delegation checking (was: Re: Some DNSSEC trivia)

[Frederico A C Neves]

On Mon, Jan 14, 2008 at 05:57:07PM +0000, Paul Vixie wrote:
> > This policy brought our lame delegations to 9% of our zone data. See
> > http://registro.br/stat/dns.html for historic data.
> 
> can you also share your definition of "Servidores DNS irregulares" ?

This is the percentage of servers without AA or time-out answers. For
the last point in the graphic you have the detail of all the possible
errors at the lower right corner of this URL.

http://registro.br/estatisticas.html

Bellow translated on the right.

  Normal                      %
    DNS OK                 89.98 - AA
    DNS Tempo Esgotado      1.44 - Time Out
  Irregular
    Sem Autoridade          0.00 - NOAA
    Dominio Desconhecido    5.50 - Unknown Domain Name
    DNS Desconhecido        0.91 - Unknown Name Server 
    Falha DNS               0.67 - SEVFAIL 
    Pesquisa recusada       0.38 - Query Refused
    Canonical name          0.05 - CNAME
    Zona no sincronizada    0.59 - Zone not in Sync (SOA)
    Conexao recusada        0.32 - Connection refused
    DNS error               0.16 - FORMERR + Transport Error 

    Total Irregular         8.58