Re: Does SOA expire for root matters?

[Ray Bellis via NANOG <nanog () lists nanog org>]

On 2026/05/08 20:45, Brandon Martin via NANOG wrote:

> I assume that replication of the root zone among the actual root servers 
> is handled by means other than simple AXFR/IXFR.

Actually, no - it is all just AXFR, and each RSO transfers from a 
private set of servers managed by the Root Zone Maintainer (Verisign).

IXFR doesn't work well for the root zone where RRSIGs are regenerated 
twice every day.

Ray

(Director of DNS Operations, ISC - F-Root)

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