DNS repository domain information for punch-file.koolearn.com. It points to the IPv4 address(ess): punch-file.koolearn.com.cdn.dnsv1.com. isruja1p.sched.sma.tdnsstic1.cn. 122.188.45.51 116.153.3.100 60.221.17.61 59.83.212.226 119.167.249.58 122.188.44.51 116.162.9.226 122.188.44.139 116.196.150.249 122.188.45.140 122.188.45.182 and we have 2 historical record(s) for it.