[Task] <support monitoring dns server metrics>

[tomsun28]

Description

support monitoring dns server metrics, available and more

Task List

• support monitoring dns server metrics
• add help doc

[Calvin979]

I would like to help!

[hertzbeat]

Bot detected the issue body's language is not English, translate it automatically. 👯👭🏻🧑‍🤝‍🧑👫🧑🏿‍🤝‍🧑🏻👩🏾‍🤝‍👨🏿👬🏿

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I would like to help!

[tomsun28]

I would like to help!

👍 hi, this has assigned to you.

[Calvin979]

I would like to help!

👍 hi, this has assigned to you.

Thank you!

[Calvin979]

Hi, Tom. I have some questions to be confirmed. Yesterday I've found two ways to monitor dns server.

1. Use commands to dns server, and collect data which dns server response.
   https://www.cnblogs.com/pengdai/p/16570903.html#_label2_0
   https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd197470(v=ws.10)#dns-query-message-format

I also code a demo for this, here's the output result:

2. Collecting data like how Prometheus do
   https://github.com/prometheus-community/bind_exporter
   https://computingforgeeks.com/monitor-bind-dns-server-with-prometheus-grafana/
   Run a script on dns server, then interact with it. In my opinion, it seems doesn't fit hertzbeat's feature - Easy to use and agentless

Should I use the first way to monitor dns server? Or do you have any better suggestion?
@tomsun28

[tomsun28]

@Calvin979 hi👍 suggest we do not need run a script on dns server. The first way is better. But other question is the command dig www.xxx.com is supported by all os.
How about the solution like this? We use Java Code to send dns protocol messages to the dns server, and then obtain the dns server response message as metrics data. And we also do not need care about the comman dig xxx is useful.
https://github.com/dnsjava/dnsjava

[Calvin979]

@tomsun28 Thanks for your suggestion. I know how to collect dns server metrics!
dnsjava is the library I use in my demo as well.

[hertzbeat]

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#1416