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AXFR FAQ
This page describes the PowerDNS Server AXFR functionality and how to configure it.
Please note that not all PowerDNS Server backends support master or slave support, see if your favorite backend supports those at the appendix sections A1 through A13 at http://doc.powerdns.com/ .
Don't forget to enable master-support by saying master=yes in pdns.conf or PowerDNS Server will not send NOTIFYs whenever you change/update a zone.
In Master mode PowerDNS Server will send NOTIFYs to all Nameservers that are listed as NS records in the Zone if it is a Master Zone.
Read more about the [https://doc.powerdns.com/md/authoritative/modes-of-operation/#master-operation](master support).
Don't forget to enable slave-support by saying "slave=yes" in pdns.conf or PowerDNS Server will not poll Master Nameservers for SOA changes or accept NOTIFYs from them.
In Slave mode PowerDNS Server listens for NOTIFYs from the master IP for zones that are configured as slave zones and will also periodically check for SOA serial number changes at the master.
Read more about the [https://doc.powerdns.com/md/authoritative/modes-of-operation/#slave-operation](slave support).
Enter any Frequently Asked Questions and Answers here please!
Q: Can PowerDNS Server act as Slave and Master at the same time?
A: Yes totally, enable both by saying yes to master and slave in pdns.conf.
Q: How can I limit Zone Transfers (AXFR) per Domain?
A: Starting with release 3.1, see [https://doc.powerdns.com/md/authoritative/domainmetadata/#allow-axfr-from](AXFR ACLs)
Please also read the PowerDNS Documentation that is available from https://doc.powerdns.com/