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Unbound Consultation

Eric Luehrsen
Sun Aug 6 22:14:06 CEST 2017


It is not entirely clear from your question, so it may be that your question applies to NSD vs BIND rather than Unbound vs BIND. Note where BIND is a combined recursive server and authoritative server, Unbound is a standalone recursive server, and NSD is a standalone authoritative server.

If your hosting provider is handling the authoritative DNS, then you can use Unbound and python plug-ins to modify the records. You may find a reasonable starting point under "examples" here: http://unbound.net/documentation/pythonmod/index.html. Maybe do something similar to blacklist record manipulation and instead strip excess records.


On 08/06/2017 11:57 AM, Avi Harari via Unbound-users wrote:
Can anyone assist?
Thanks in advance!

2017-08-03 16:25 GMT-04:00 Avi Harari <harariboy at gmail.com<mailto:harariboy at gmail.com>>:


Dear List,

I'm currently using bind and I have a unique scenario.
I have A records with multiple IPs (e.g xyz.mydomain.com<http://xyz.mydomain.com> has 200 different IPs).
Recently some users encountered an issue while trying to resolve these records, apparently due to the record size.
I was wondering if with Unbound I can control the response size and limit it (so that for example when a user is resolving xyz.mydomain.com<http://xyz.mydomain.com> he will only receive one or several records as per the round robin load balancing).
Looking forward for your insights.

Regards,
Avi


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אבי הררי

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