Sometimes when my office computer is running for a few days, it could happen that the DNS resolution will not work correctly because of cached DNS entries. In my case the symptoms are:
1.) a access by name will not work (ping hostname will fail)
2.) interesting point: nslookup hostname works
3.) ping IP from nslookup works
A quickfix: ipconfig /flushdns
One thing just makes me wondering: why does nslookup return the correct ip?
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