bugs for cname can not be working properly with bind 9.11.4

[Ondřej Surý]

Did you change the SOA serial number when you changed the zone content? You need to do that so the secondary knows there has been a change.

Ondrej
--
Ondřej Surý — ISC (He/Him)

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> On 25. 5. 2022, at 4:10, 边明凯 <bianmingkai at gmail.com> wrote:
> 
> 
> Hi Jan-Piet,
> 
> Thank you for the feedback, I will sort it out and compose it again :
> 
> I have run the DNS server by myself which installed centos7 and the bind version is BIND 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 (Extended Support Version), the domain name is kaixinduole.com
> 
> I just create a cname record for testing, which is www cname to www.baidu.com. please see the below :
> 
> 
> 
> 
> you can see the testing below:
> 
> 
> 
> 
> it should be cname to www.baidu.com .but it actually responds with 1.1.1.1 
> 1.1.1.1 was the previous configuration,now I have already modified it to cname record . Is there any clue for this issue ?thanks  
> 
> 
>> On Wed, May 25, 2022 at 3:07 AM Jan-Piet Mens via bind-users <bind-users at lists.isc.org> wrote:
>> (I've tried to reformat some of this; it was illegible to me and I'm probably
>> misreading some of it)
>> 
>> >www            IN      CNAME www.baidu.com.
>> 
>> > [root at centos7 ~]# dig www.kaixinduole.com                # it should be cname to
>> 
>> You've not specified an address for dig to use so it's using your system's
>> resolver, likely querying a caching server which is responding with a cached
>> entry.
>> 
>>         -JP
>> -- 
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> 
> 
> -- 
> Best Regards 
> 
> Bian Mingkai (边明凯)
> -- 
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> 
> ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information.
> 
> 
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