Verisign | Public DNS Cache Flush

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Verisign Public DNS is moving to Neustar

On Oct. 9, 2020, Verisign sold certain assets of its Public DNS business to Neustar. During the 4th quarter of 2020, the Public DNS service currently operated by Verisign will transfer to Neustar. This includes the address space for (,, 2620:74:1b::1:1, 2620:74:1c::2:2), which will transfer to Neustar UltraDNS Public. No action is required for users of Verisign Public DNS – the migration to Neustar’s service will be automatic. Users are encouraged to learn more about Neustar UltraDNS Public, its features and terms of service at