Addressing & IP
Subnet & VLSM Calculator
CIDR breakdown, host counts, VLSM split by requirement, visual address-space map.
Wildcard Mask Calculator
Convert subnet masks to wildcard masks for ACLs, instantly.
Route Summarization
Aggregate a list of subnets into the smallest covering route.
VPN & Security Configs
WireGuard Config Generator
Client + server keypairs, peer config, and a scannable QR code.
SSH Key Pair Generator
Ed25519 keypairs generated client-side, never sent anywhere.
TLS Certificate Checker
Expiry, chain validity and common misconfigurations at a glance.
DNS & Diagnostics
SPF / DKIM / DMARC Checker & Generator
Validate email auth records, or generate new ones from scratch.
DNS Propagation Checker
Query a record against 8 major public resolvers, side by side.
Port Scanner
Check which common ports are open on a host, run from our servers.
RouterOS / MikroTik
Basic Router Setup
WAN, LAN and internet sharing from plain-language questions — no RouterOS experience needed.
Firewall Rule Builder
Generate firewall filter and NAT rules without staring at a blank terminal.
Coming soon
Security Hardening Checklist
Lock down default services and admin access on a fresh RouterOS install.
Coming soon