Verisign seems to have addressed their DNS problems. The timestamping service is currently available again.
Posted Jul 11, 2019 - 15:32 MST
Identified
We are currently tracking a DNS failure with our default timestamping service provider (Verisign). This is an issue with Verisign, and is not something SSN can resolve. If you are attempting to deploy a new release and you are receiving the following error
ERROR - Signer Console run failure
Please modify your deploy script to use the Comodo timestamping service by changing to