dns neprelozi nektere domeny

[Ludvik Urban]

On Wed, 8 Jul 2015, Jan Marek wrote:

> Dd,
>
> On Tue, Jul 07, 2015 at 11:10:31PM +0200, Pavel Kankovsky wrote:
>> On Tue, 7 Jul 2015, Jan Marek wrote:
>>>
>>> dig soundclound.com ns
>>>
>>> [...]
>>>
>>> ;; ANSWER SECTION:
>>> soundclound.com.        10800   IN      NS      b.dns.gandi.net.
>>> soundclound.com.        10800   IN      NS      c.dns.gandi.net.
>>> soundclound.com.        10800   IN      NS      a.dns.gandi.net.
>>
>> No to je zajímavé. U nás je to
>>
>> soundcloud.com.		172800	IN	NS	ns1.p20.dynect.net.
>> soundcloud.com.		172800	IN	NS	ns3.p20.dynect.net.
>> soundcloud.com.		172800	IN	NS	ns2.p20.dynect.net.
>> soundcloud.com.		172800	IN	NS	ns4.p20.dynect.net.
>>
>> a ty servery pak normálně fungují. Tuto odpověď vrací jako čerstvou všechny
>> x.gtld-servers.net... ale od té doby, co se začalo v DNS dělat kejkle s
>> anycastovými adresami, to nemusí být až tak signifikantní.
>
> odkud tyhle odpovědi berete? Zkoušel jsem se dotazovat dig-em
> serverů a-m.gtld-servers.net a vždy jsem dostal to gandi.net???
>
> Dal byste sem, prosím, kdyžtak celý výpis toho dig-u?
>
>> --
>> Pavel Kankovsky aka Peak                      "Que sais-je?"
>
> Zdraví
> Honza Marek
>

Asi se to meni v case.
Sedim u vedlejsiho stroje co Pavel a prave ted vidim to same, co vy:

irkan:~$dig soundclound.com ns

; <<>> DiG 9.9.4-RedHat-9.9.4-18.el7_1.1 <<>> soundclound.com ns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30905
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 3, ADDITIONAL: 7

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;soundclound.com.		IN	NS

;; ANSWER SECTION:
soundclound.com.	10800	IN	NS	a.dns.gandi.net.
soundclound.com.	10800	IN	NS	c.dns.gandi.net.
soundclound.com.	10800	IN	NS	b.dns.gandi.net.

;; AUTHORITY SECTION:
soundclound.com.	10800	IN	NS	c.dns.gandi.net.
soundclound.com.	10800	IN	NS	b.dns.gandi.net.
soundclound.com.	10800	IN	NS	a.dns.gandi.net.

;; ADDITIONAL SECTION:
a.dns.gandi.net.	30486	IN	AAAA	2604:3400:a::2
a.dns.gandi.net.	24880	IN	A	173.246.98.1
c.dns.gandi.net.	30486	IN	AAAA	2001:4b98:c:521::20
c.dns.gandi.net.	24880	IN	A	217.70.179.1
b.dns.gandi.net.	30486	IN	AAAA	2001:4b98:b:a::40
b.dns.gandi.net.	33706	IN	A	213.167.229.1

;; Query time: 47 msec
;; SERVER: 195.113.28.1#53(195.113.28.1)
;; WHEN: Wed Jul 08 09:45:47 CEST 2015
;; MSG SIZE  rcvd: 294


-- 
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| Ludvik Urban     lu na argo.troja.mff.cuni.cz |
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