Fix examples in react/dns README
Fix examples in react/dns README

ericariyanto/react,krageon/react,FireWalkerX/react,sachintaware/react,nemurici/react,ympons/react,naroga/react,cystbear/react,reactphp/react,ympons/react,krageon/react,FireWalkerX/react,cystbear/react,dagopoot/react,cesarmarinhorj/react,naroga/react,sachintaware/react,dagopoot/react,ericariyanto/react,cesarmarinhorj/react,nemurici/react