This extended maintenance has now completed, and all .EU domain management has resumed.

Thanks for your patience.

There is an unplanned extension to the scheduled maintenance at the .EU registry. Until completed, the following services may be unavailable:

Availability Checks
Whois Services
Domain Purchases
Domain Renewals
Domain Updates

For a list of affected TLD's, please look the registry up in the following spreadsheet:
http://opensrs.help/chart