SAXFR(1) PowerDNS Authoritative Server SAXFR(1)

# [NAME](#NAME)

saxfr - Perform AXFRs and show information about it

# [SYNOPSIS](#SYNOPSIS)

**saxfr** *IPADDRESS* *PORT* *ZONE* \[*Options*]

# [DESCRIPTION](#DESCRIPTION)

**saxfr** does a zone-transfer (AXFR) of *ZONE* from the nameserver at *IPADDRESS* on port *PORT* and displays the transferred zone with NSEC3 information truncated. See below how to show this information.

# [OPTIONS](#OPTIONS)

[**showdetails**](#showdetails)

Show all the data in the NSEC3 and DNSKEY RDATA.

[**showflags**](#showflags)

Show the NSEC3 flags in the RDATA.

[**unhash**](#unhash)

Unhash the NSEC3 names to the normal names.

# [AUTHOR](#AUTHOR)

PowerDNS.COM BV

# [COPYRIGHT](#COPYRIGHT)

PowerDNS.COM BV

October 2, 2026

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Document: saxfr(1) from pdns-5.0 5.0.12-r13 (Chainguard OS)
Source: https://github.com/PowerDNS/pdns