Jim Seymour via Postfix-users wrote:
Off-topic question for the list, if I may:
Does it normally take registrars 24–48 hours to push an NS change out
to the .com registry? I don’t recall delays that long from my days
administering domains at my last employer, but perhaps things have
changed?
The delay isn't in simply publishing the new NS records to the .com zone
(which is generally complete within a few minutes), it's in the TTL of
those records - the same way a long TTL on a record within your domain
means you have to wait for everyone to see a change to that record, even
if a lookup directly against your nameservers sees the change as soon as
you reload the zone.
From observation of our domain support group, timing varies from a low
of maybe 3 hours on up to that 24-48 hours, depending on how the
registrar sets the TTL on registry NS records.
Some registrars allow you to manage the TTL on those records, some
don't. Longer TTLs are generally associated to longer-standing domains,
shorter ones to newer domains. Lots of YMMV.
None of this is registry-specific either, IME.
-kgd
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