dns-tools

DNS-BLM checks if your domains are flagged as malicious on blocklists.

Subdomain enumeration tool, asynchronous dns packets, use pcap to scan 1600,000 subdomains in 1 second修复内存溢出等bug

DNS Panel, but all in one. (Unified DNS management across multiple cloud providers)

A Go SDK for checking whether domains are blocked by Indonesian ISP DNS filters (Nawala/Kominfo (now Komdigi)). It works by querying configurable DNS servers and scanning the responses for blocking keywords such as internetpositif.id redirects or trustpositif.komdigi.go.id EDE indicators.

Flush DNS cache and change DNS servers in one click. Fix slow internet, DNS errors, and website loading issues.

High-performance reverse DNS (PTR) lookup tool for bulk IP address resolution with JSON/CSV export, resolver rotation, rate limiting, and DNS-over-HTTPS support.

Windows DNS diagnostic tool with explicit network interface and source IP selection

Self-hostable DNS lookup, trace, DNSSEC, delegation, SOA, CAA, and change-checking tools.

MailForge — Suite anti-spoofing: analiza SPF, DKIM, DMARC, DNSSEC y MTA-STS de tu dominio, simula vectores de suplantación y genera la configuración defensiva. CLI + consola web + envío real de drills.

Compare DNS answers across resolvers during migrations. A Go CLI with deterministic JSON, IPv6, TCP fallback, and meaningful exit codes.

Interactive terminal UI for the Unix dig command — DNS lookups, nameserver switching, and JSON/CSV/text export. Built with Python and Textual.

Minimal C11 CLI to check DNS propagation across global resolvers. Fast, honest, and Unix-style — measures real DNS consistency, not guesswork.

Self-hosted toolbox of browser-based utilities for sysadmins, IT and security engineers. Subnets, certificates, DNS, mail records and Windows error codes in one .NET container.

Client onboarding CLI for domain, DNS, hosting, website, and kickoff research discovery.

Version control for public DNS records you need to keep

Official NetQuery docs for DNS, email security, SMTP, TLS, DNSSEC, IP and Microsoft 365 diagnostics.

Software CLI para busca rapida de registros DNS.

Archived copy of BIND 9.17.15 (last version with official Windows support). Files are unmodified and provided for convenience. All rights belong to ISC.

Client DNS with ProxyProtocol support - For testing purpose only

Finds why a domain's mail lands in spam: SPF lookup limit, duplicated records, revoked DKIM keys, DMARC stuck at p=none, missing MTA-STS. DNS only - no access needed, batch mode for client lists.