网络万用表

Implement common network detection tools (IPV6 has been supported):
Internet speed test, port scan, HTTP tool set, domain name resolution, DNS detection, ping, public network ip acquisition, dns ip acquisition, traceroute, mtr, tracert, telnet, curl, dig, whois and other commands, download test, file size and md5, website speed test, performance analysis, IP positioning, IP calculator, Uninx time conversion, encoding and encryption, QR code generation, hex conversion.