S2 nimDNSResponder;National Instruments mDNS Responder Service;c:\ program files (x86)\National Instruments\Shared\mDNS. O23 - Service: National Instruments mDNS Responder Service ( nimDNSResponder) - National Instruments Corporation - C:\Archivos de programa\National. PRC - C:\Windows\System32\iu3j92ihval.tk (National Instruments Corporation) SRV - (nimDNSResponder) -- C:\Program. R2 nimDNSResponder;National Instruments mDNS Responder Service;C:\ Program Files (x86)\National Instruments\Shared\mDNS. NI customer education is a training and certification program designed to help you successfully develop applications while reducing time and costs. Classroom Advance your career and prove your expertise with NI Certification. Get certified in LabVIEW, TestStand and CVI. Learn More Self Paced NI offers a.