Haraka plugin for DNS lists (DNSBL, DNSWL)
Generate trusted local SSL/TLS certificates for local SSL development
Get current machine IP, MAC and DNS servers.
Check that email addresses are really able to accept emails by pinging the DNS and checking for active MX records.
Simple SSL HTTP proxy using a self-signed certificate. Intended for local development only.
Express adapters for the Model Context Protocol TypeScript server SDK - Express middleware
rfc8659-conform CAA record lookup and validation
look up ASN of remote MTA
Haraka plugin that uses an LDAP bind to authenticate users
dns-sync
Discovery peers in a distributed system using regular dns and multicast dns.
A generated SDK for DnsManagementClient.
Create Cron Job Via Lambda, to update certificate and put it to S3 Bucket.
DNS Packet handling in pure javascript
Abstraction for exponential and custom retry strategies for failed operations.
A Bonjour/Zeroconf implementation in TypeScript
Validates emails based on regex, common typos, disposable email blacklists, DNS records and SMTP server response.
Get your public IP address — very fast!
A small package to cache DNS lookups in Node.js, with support for custom DNS servers and TTL (time-to-live) settings.
An MCP server that connects to Vercel API
DNS over HTTPS lookups from web apps
Discovery peers in a distributed system using regular dns and multicast dns.
Utility to wait for a TCP port to open.
Low level Multicast DNS implementation in pure javascript.