incremental transfer
Quick facts
Purpose
incremental transfer
IXFR is one of the DNS resource record (RR) types defined by RFC 1995.
Example
dig @ns1.example.com example.com IXFR=2026081701
Related record types
Frequently asked questions
Used for DNS resolution and zone configuration.
In the DNS management panel of your registrar or DNS provider (for example Cloudflare or Route53).
Sources & standards
Updated 2026-09-13
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