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Use Splunk for a Static Value Lookup

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I have a data store that information is far faster and more reach to get to with Splunk and I am trying to figure out a way to generate information from one piece automatically from this source. In this specific example I tried the following

| inputlookup datastore
| search [setfields server_ip="10.22.10.250" | lookup dnslookup clientip as server_ip output clienthost as server_fqdn | fields server_fqdn]

But this is not rendering the information that I am looking for. The IP that I am using does have a corresponding server_fqdn value in the inputlookup datastore specified (I used a known good sample for this). I am hoping someone might be able to spot what I am not seeing in terms of syntax or value handling and offer a suggestion as to how to get this to work.

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SplunkTrust
SplunkTrust

I'm not exactly sure what you intended. But try this as a different way

| makeresults | eval server_ip="10.22.10.250" | lookup dnslookup clients as server_ip output client_host as server_fqdn | lookup datastore server_fqdn OUTPUTNEW
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