[Linux-Biella] problemi DNS

[zane]

On 29/11/2010 11:13, Cristiano Deana wrote:
> 2010/11/29 zane<zanetto.vc a alice.it>:
>
> a) cerca di quotare meglio
>
>> Ho provato alice, opendns, google
> fermati. metti i due di google e stop, parti da un punto fisso.
>
>> Firefox ci mette un'ora a ricercare il sito
> a) "firefox"? vuol dire che se fai un dig www.google.com e' veloce, ma
> se lo apri da firefox e' lento?
> test:
>   time dig www.google.com
>   time dig @8.8.8.8 www.google.com
roberto a roberto-desktop:~$ time dig www.corriere.it

; <<>> DiG 9.7.0-P1 <<>> www.corriere.it
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4661
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.corriere.it.        IN    A

;; ANSWER SECTION:
www.corriere.it.    86322    IN    A    194.20.158.241
www.corriere.it.    86322    IN    A    194.20.158.101

;; Query time: 93 msec
;; SERVER: 208.67.220.220#53(208.67.220.220)
;; WHEN: Mon Nov 29 14:35:03 2010
;; MSG SIZE  rcvd: 65


real    0m0.111s
user    0m0.000s
sys    0m0.008s
roberto a roberto-desktop:~$ time dig @8.8.8.8 www.corriere.it

; <<>> DiG 9.7.0-P1 <<>> @8.8.8.8 www.corriere.it
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10527
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.corriere.it.        IN    A

;; ANSWER SECTION:
www.corriere.it.    15989    IN    A    194.20.158.241
www.corriere.it.    15989    IN    A    194.20.158.101

;; Query time: 66 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Nov 29 14:36:00 2010
;; MSG SIZE  rcvd: 65


real    0m0.072s
user    0m0.004s
sys    0m0.004s
roberto a roberto-desktop:~$