ns1 (primary) now signs every zone with an ECDSA P-256/SHA-256 policy and
manages the SOA serial itself: zonefile-load = difference-no-serial (with
journal-content = all) plus serial-policy = dateserial let records be edited
without bumping the serial by hand. ns2 needs no change; it transfers the
already-signed zone.
Also point the ns1/ns2 AAAA glue at the public Hetzner IPv6 addresses; they
previously pointed at unroutable ZeroTier mesh ULAs.
Berwn
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