Hi Egor, Kea's lease data contains the following fields: "address,hwaddr,client_id,valid_lifetime,expire,subnet_id,fqdn_fwd,fqdn_rev,hostname,state,user_context,pool_id"
As you see, the "domain-name-server" option values are not saved to lease data. When a client renews a lease, options are evaluated in the same way as with a discovery Kind Regards Peter
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