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Network Tools

Network utilities: Subnet Calculator, DNS Lookup

Subnet Calculator

Subnet calculator for calculating network parameters

DNS Lookup

DNS Lookup via DoH: DNS queries over HTTPS, SPF/DKIM/DMARC checking, compare results between servers

Network Tools: Network Utilities

🌐 Network Tools: Professional Network Utilities

Set of tools for working with networks, DNS, and network protocols. All tools work securely and privately.

🔧 Available Tools:

Subnet Calculator: Calculate subnet parameters and network addresses
DNS Lookup: DNS queries via DoH (DNS over HTTPS), SPF/DKIM/DMARC checking, WHOIS, Port Check, RBL Check, DNSSEC, DNS Trace, GeoIP