+**Warning**: Recursion was remove from the Authoritative Server in version 4.1.0
+
# Recursion with the Authoritative Server
From 2.9.5 onwards, PowerDNS offers both authoritative nameserving capabilities
and a [recursive nameserver](../recursor/index.md) component. These two halves
## `allow-recursion`
* IP ranges, separated by commas
* Default: 0.0.0.0/0
+* Removed in: 4.1.0
By specifying `allow-recursion`, recursion can be restricted to netmasks
specified. The default is to allow recursion from everywhere. Example:
## `recursive-cache-ttl`
* Integer
* Default: 10
+* Removed in: 4.1.0
Seconds to store recursive packets in the PacketCache. See
["Packet Cache"](performance.md#packet-cache).
## `recursor`
* IP Address
+* Only used for ALIAS since: 4.1.0
If set, recursive queries will be handed to the recursor specified here. See
["Recursion"](recursion.md).