fernmelder

fernmelder async mass DNS resolver...

numa

Numa DNS you own. Everywhere you go. — numa.rs A portable DNS resolver in a single binary. Block ads on any network, name your local services frontend.numa, override any hostname with auto-revert, and seal every outbound query with ODoH RFC 9230 so no single party sees both who you are and what y...

massdns

MassDNS A high-performance DNS stub resolver MassDNS is a simple high-performance DNS stub resolver targeting those who seek to resolve a massive amount of domain names in the order of millions or even billions. Without special configuration, MassDNS is capable of resolving over 350,000 names per...

Hulios

Hulios Hardened Universal Linux Invisibility and Onion System Hulios is an eBPF-powered, transparent Tor VPN gateway for Linux. It secures outbound network traffic by redirecting TCP sockets and DNS queries through an embedded Arti Tor client instance and a localized Hickory-based DNS resolver. B...

zdns

ZDNS ZDNS es un resolvedor DNS de alta velocidad y una utilidad de línea de comandos para realizar mediciones DNS a gran escala. ZDNS está escrito en Go y contiene su propio código de resolución recursiva y una caché optimizada para realizar consultas de un conjunto diverso de nombres. Usamos...

massdns

MassDNS Un resolvedor de stub DNS de alto rendimiento MassDNS es un resolvedor de stub DNS simple y de alto rendimiento dirigido a aquellos que buscan resolver una cantidad masiva de nombres de dominio en el orden de millones o incluso miles de millones. Sin una configuración especial, MassDNS es...

ecs_checker

EDNS Client Subnet ECS Remote Detection Tool - CVE-2025-40766 This tool checks whether a remote DNS resolver supports EDNS Client Subnet ECS — a DNS extension that may expose systems to cache poisoning or information leakage vulnerabilities such as CVE-2025-40766. 🔍 What It Does Sends a DNS query...

cve-2015-7547

PoC attack server for CVE-2015-7547 vulnerability in glibc DNS resolver To test on local machine with a vulnerable glibc version: user@localhost:/ echo 'nameserver 127.0.0.127' | sudo tee /etc/resolv.conf user@localhost:/ echo 'nameserver 127.0.0.127' | sudo tee -a /etc/resolv.conf user@localhost...

dnsx-action

dnsx Action makes it easy to orchestrate dnsx with GitHub Action. Example Usage GitHub Action runningdnsx on list of hosts - name: 💥 dnsx - DNS Resolver uses: projectdiscovery/dnsx-action@main with: list: hosts.txt GitHub Action runningdnsx with custom resolvers - name: 💥 dnsx - DNS Resolver uses...

CVE-2023-50387

Repository based on https://github.com/knqyf263/CVE-2023-50387 with several modifications: Added resolver-fixed, which has an implementation of Unbound where the vulnerability we discussed is fixed. Created scripts for automating the generation of RRSIG keys. To auto-generate configuration files:...

gha-lab-6904b2ccbe

Automated research artifact — not the upstream project. This repository is a disposable lab built by an automated harness for a master's thesis at Université Laval on reproducing published GitHub Actions workflow vulnerabilities. It is a verbatim snapshot of serverless-dns/serverless-dns at commi...

dnsresolver

dnsresolver A Lightning-Fast DNS Resolver Table of Contents Installation Usage Basic Usage Resolving Hosts with Ports Virtual Host Enumeration Using Unresolved Domains Using Localhost Demonstrations Feedback License Installation Make sure you have rust installed, then run the following command to...

dnscrypt-autoinstall

dnscrypt-autoinstall This project has been archived, see last comment in 108. A script for installing and automatically configuring DNSCrypt on Linux-based systems. Description DNSCrypt is a protocol for securing communications between a client and a DNS resolver by encrypting DNS queries and...

DNS-resolve-checker

DNS-resolver Usage bash pdnscheck.sh follow the steps...

CLEANSTART-2026-AC13048 When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash

CVE-2026-33811 affects multiple packages. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. See references for individual vulnerability details...

CLEANSTART-2026-CL63424 In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver

Security vulnerability affects the elasticsearch package. In specific scenarios involving multiple clients with different DNS resolver configurations, Reactor Netty may incorrectly reuse a previously configured DNS resolver...

CVE-2021-23017

CVE-2021-23017 PoC Scanner NGINX DNS Overflow Vulnerability Check - CVE-2021-23017 PoC This Python script checks if an nginx server is potentially vulnerable to the critical CVE-2021-23017 vulnerability, which affects the integrated DNS resolver in nginx and can cause a buffer overflow. 🔍 What do...

DNS-Poisoning-Triage-Lab

DNS and ARP Traffic Triage Lab An educational packet-analysis and resolver-hardening exercise completed on an Arch Linux workstation. Scope: This repository is a learning project. The included capture is useful for practicing DNS and ARP inspection, but it does not by itself prove a live...

CLEANSTART-2026-TG48757 When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash

Security vulnerability affects the temporal-server package. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash...

GHSA-6F2X-V7Q7-M7M5 hickory-resolver follows irrelevant CNAME records

When the Hickory DNS resolver follows CNAME records, it sends queries that are not necessary to answer the original recursive query. If there are any CNAME records in the authority section or additional section of the response, queries will be sent for those names. If there are any CNAME records...