The US Registry has announced the following downtime:
Date: Saturday, 1 November 2014
Time: 12:00 PM - 04:00 PM (1200 hrs - 1600 hrs) GMT/UTC
Duration: 4 Hours
During the above maintenance window, you would not be able to Register, Renew, Transfer, Manage .US domain names with Whois.com.
This outage shall have no impact on the resolution/working of your already registered domain names. Please feel free to get in touch with our Support Team at https://shop.whois.com/support/contact-us.php, in case of any queries/doubts.