add a few functions to check SOA of each of root and arpa they are not used at this moment
add a few functions to check SOA of each of root and arpa
they are not used at this moment

BII-Lab/Yeti-Project,Antonio-Prado/Yeti-Project,bortzmeyer/Yeti-Project,BII-Lab/Yeti-Project,Antonio-Prado/Yeti-Project,shane-kerr/Yeti-Project,BII-Lab/Yeti-Project,shane-kerr/Yeti-Project,shane-kerr/Yeti-Project,bortzmeyer/Yeti-Project,Antonio-Prado/Yeti-Project,shane-kerr/Yeti-Project,BII-Lab/Yeti-Project,songlinjian/Yeti-Project,bortzmeyer/Yeti-Project,bortzmeyer/Yeti-Project,Antonio-Prado/Yeti-Project