add sn domains conversion tool
add sn domains conversion tool

danny200309/ipv6-hosts,gaojunchen/ipv6-hosts,Badredapple/ipv6-hosts,AlexDialga/ipv6-hosts,kang000feng/ipv6-hosts,zhenghj7/ipv6-hosts,Badredapple/ipv6-hosts,tel5169553/ipv6-hosts,JYzor/ipv6-hosts,tjshi/ipv6-hosts,exzhawk/ipv6-hosts,danny200309/ipv6-hosts,afdnlw/ipv6-hosts,zhenghj7/ipv6-hosts,tel5169553/ipv6-hosts,greatlse/ipv6-hosts,afdnlw/ipv6-hosts,AlexDialga/ipv6-hosts,bygloam/ipv6-hosts,offbye/ipv6-hosts,tjshi/ipv6-hosts,gaojunchen/ipv6-hosts,lennylxx/ipv6-hosts,kang000feng/ipv6-hosts,Phecda/ipv6-hosts,offbye/ipv6-hosts,greatlse/ipv6-hosts,Lan-minqi/ipv6-hosts,lennylxx/ipv6-hosts,exzhawk/ipv6-hosts,Lan-minqi/ipv6-hosts,JYzor/ipv6-hosts,Phecda/ipv6-hosts,bygloam/ipv6-hosts