for some reason today the dns servers stopped working on my VPS.
Nothing changed, was working this morning now it is not! We have contacted the host they said it is our end.
I have tried restarting the vps and named service but has no effect. Checked the domain and have over 2 years till expire so its not that!
The Nameservers are correct! and was giving to us from the host.
I can give vps and plesk details to the winning bidder!
Hopefully this is a simple fix.