Hello, >Set "transfer-format one-answer;". Thank you, that was exactly the right tip. It now works perfectly. >P.S. If your has not upgraded I would say you need a new ISP. We do we need a new ISP? He is responsible for his nameservers. If he prefers to be a potential target in the internet, I think, it's his problem. :-) Yours, Dirk Schulten.