How often are the name server informations updated?

DeNic (for .de domains) 8 times per day, at 2.00, 5.00, 8.00, 11.00, 14.00, 17.00, 20.00 and 23.00 o'clock.

NIC.at (for .at domains) 5 times per day, at 6.00, 10.00, 13.30, 17.30 and 22.00 o'clock.

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