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DHCP lease expires, Infoblox deletes the DNS record automatically

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Hi,

I am trying to confirm what that statement means based on the scavenging video https://www.infoblox.com/resources/videos/infoblox-dns-scavenging-managing-dns-records-todays-dynami...

 

The paragraph under the video states DHCP Leases expires and Infoblox deletes the DNS record automatically.  The video states around 20 sec in that in a pure Infoblox world, DNS scavenging is not necessary.  The Infoblox Grid tracks the life cylce of the leases and their associated DNS records.

 

As an example, a user disconnected a Windows/Mac laptop without shutting down and did not turn it back on again.  I want to confirm that after the DHCP lease expires, DHCP would release the IPv4 address and then notify DNS that it can delete the A record for the computername.  Is that correct?  If so, is this configured by default when DDNS is setup or is there some other configuration that is needed?  I am more focused on the improperly shutdown devices that the ones that shut down because in know DHCP can be set with option 43 to release the IP on shutdown.

 

I am very new to Infoblox so sorry for the basic question and thank you in advance!

 

 

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