Re: dns record update.

[izyk <netbsd%isklad.ru@localhost>]

On 05.06.2014 13:31, Niels Dettenbach (Syndicat IT&Internet) wrote:
> On 5. Juni 2014 11:10:25 MESZ, izyk <netbsd%isklad.ru@localhost> wrote:
>> On 05.06.2014 12:47, Niels Dettenbach wrote:
>>> Am Donnerstag, 5. Juni 2014, 12:41:58 schrieben Sie:
>>>> Hello.
>>>> I had changed(4 days ago) my domain's name servers and MX
>> record(izyk.ru).
>>>> But mail lists still are trying to use the old record.
>>>> I had tried unsubscribed and again subscribed, but it's not help.
>>>> How long the mail lists can keep the old records?
>>> Is it possible that you forgot to update / increment your zones
>> serial? It 
>>> seems they is from may 09.
>>>
>>>
>>>
>> I can't change zones serial but I had changed NS records inside
>> domain's
>> registration center.
>>
>> was ns1.izyk.ru 95.31.19.74
>> now ns1.vpsget.com.
> ahh, sorry, forgot that other root resolving DNS are require the SOA / zone 
> updated info of your registry to get the new NS recognized - means the NS 
> records in your zone file are not reached until then. 
>
> It could have several reasons why some DNS (which are still got the old 
> records before from your registries DNS) still hold the old record. The 
> higher the DNS level as longer many DNS services are caching record. Would 
> make a further dnstrace from top down to see which level is served by whom in 
> detail with which serials and TTLs/timeouts - ideally too on a machine which 
> still helds the old data.
>
> sorry - hth
> best regards,
>
>
> Niels.

zone "ru" has:

host -t any -v izyk.ru a.dns.ripn.net

;; AUTHORITY SECTION:
izyk.ru.        345600    IN    NS    ns1.vpsget.com.
izyk.ru.        345600    IN    NS    ns2.vpsget.com.

Do I have to wait 345600/86400 = 4 days?