fix: [circl_passivedns] Return not found error
fix: [circl_passivedns] Return not found error

If passivedns returns empty response, return Not found error instead of error in log

MISP/misp-modules,VirusTotal/misp-modules,amuehlem/misp-modules,MISP/misp-modules,VirusTotal/misp-modules,VirusTotal/misp-modules,amuehlem/misp-modules,amuehlem/misp-modules,MISP/misp-modules