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AdminToolsSmall tools. Clear answers.
NETWORKS

Networks

Choose a tool for addresses, subnets, ports, DNS, or route diagnostics. Each tile opens its own page.

Find my IPPublic addresses, protocol and provider detailsUses server checksCalculate a subnetIP ranges, masks and CIDR prefixesRuns in your browserCheck a TCP portConnection status and response timeUses server checksInspect DNS recordsDNS record types, reverse lookup and DNSSECUses server checksTrace a network pathLatency, packet loss and routing detailsUses server checksGenerate DNS recordsDomain zone files, record formatting and conflict checksRuns in your browserCalculate a transferSize, bandwidth and transfer-time planningRuns in your browser

Local tools run in this browser. Network checks use this service.