[Dnsmasq-discuss] SOA serial increase

William Edwards wedwards at cyberfusion.nl
Fri Mar 20 08:18:34 GMT 2020


> Op 20 mrt. 2020 om 00:39 heeft Simon Kelley <simon at thekelleys.org.uk> het volgende geschreven:
> 
>> On 19/03/2020 17:28, William Edwards wrote:
>> Hello,
>> 
>> Does dnsmasq increase SOA serial when adding a new DNS record after DHCP
>> lease is requested?
> 
> Yes.
> 
>> 
>> I am not sure because docs say '--auth-soa' allows for specifying serial.
> 
> It does, but it's optional: dnsmasq will generate one for you. If you do
> specify a serial, it will still get incremented after a new DHCP lease
> is created.

Thanks.

I noticed that serial is reset back to 1 when dnsmasq is restarted. This would cause the serial to be lower on dnsmasq than its slaves after a restart, even when DHCP leases are handed out and DNS records are added.

Is this intentional behaviour?

> 
> 
> Cheers,
> 
> Simon.
> 
>> 
>> Met vriendelijke groeten,
>> 
>> William Edwards
>> T. 040 - 711 44 96
>> E. wedwards at cyberfusion.nl
>> 
>> 
>> 
>>  
>> 
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>> 
> 
> 
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