Look like both digitalocean.com and vultr.com have somekind of scheduled maintenance or issue. As far as I know vultr.com accept Bitcoin as payment and they are both very good VPS dedicated server, they screened users account with ID before issuing an account.
We are notifying you about a new alert as it relates to your Vultr.com account.
Event Summary: Authoritative DNS Outage
At approximately 22:45 UTC, we experienced an issue resulting in an authoritative DNS outage. At present, the issue is resolved and DNS service is fully restored. Our engineers are continuing to closely monitor service status, however no further issues are expected.
To view additional details and updates regarding this alert, please visit our status page at:
— Vultr.com Support Team —