NetToolbox Pro

NetToolbox is a professional network toolkit for iPhone and iPad — 80+ native tools in one app, with no tracking and no accounts. CALCULATORS Subnet and VLSM planning, CIDR aggregation, subnet membership, EUI-64, MAC/OUI lookup, base and text converters, hashing and JWT, regex tester, password and QR generators. DIAGNOSTICS Public IP & ISP, ping, world ping, traceroute, MTR, HTTP request, headers and timing, port scanner, banner grabbing, speed test, uptime and NTP checks. DNS & DOMAINS DNS lookup, NSLookup, DNS-over-HTTPS, multi-resolver compare, DNS health and reliability, WHOIS and RDAP. SECURITY TLS/SSL inspection with a grade, certificate expiry and transparency logs, email security (SPF, DKIM, DMARC), blocklist and password-breach checks. PROFESSIONAL Native SSH terminal with key authentication and host-key verification, SFTP, Telnet, FTP, TFTP, MikroTik API, SNMP v1/v2c/v3 and…