Directory
Explore Network & Internet Utilities resources in Development & Technology.
Fast.com is a simple internet speed testing tool. It estimates a user's download speed in seconds, with support for dozens of languages. The tool also offers optional metrics including upload speed, loaded and unloaded latency, and configurable parallel connection and test duration settings for more detailed network performance checks.
NETworkManager is a free, open-source tool for managing networks and troubleshooting network problems. It includes 28 built-in tools such as an IP scanner, port scanner, ping monitor, DNS lookup, remote desktop and PowerShell in a single interface. It offers profiles for organizing hosts, and no license, subscription or telemetry.
Waveform Test provides network diagnostics for checking connectivity, traffic, devices, or internet performance.
This documentation page lists IPv4 and IPv6 addresses for the Cloudflare DNS resolvers 1.1.1.1 and 1.1.1.1 for Families, providing two addresses per resolver for redundancy. The standard resolver offers DNS lookups with no content filtering. The for Families variant adds automatic filtering to block known malware, phishing and optionally adult content.
Userscript for Blur Info, adding browser customization or automation to supported websites.
OpenNetMeter is an open source project with code, documentation, and setup resources for network diagnostics.
Bancuh is a free public adblock DNS service. According to the project, it blocks ads, trackers, malware, phishing, scams, adult content, gambling and dating sites for every device on a network through one DNS setting, with no app or account. It supports plain DNS, DNS-over-TLS and DNS-over-HTTPS, and the server and website are open source.
ClouDNS is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
deSEC is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
DNS.SB is a free DNS resolver service focused on privacy. It supports DNS over HTTPS and DNS over TLS, and according to the project it keeps no logs. The service runs on a global anycast network and emphasizes fast, stable resolution and encrypted DNS to protect queries from eavesdropping.
DuckDNS is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
dynu is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
FreeDNS is a free DNS hosting service that lets users manage their own domain, offering dynamic DNS and static DNS services. Users can also create hosts under other hosted domains with the domain owner's consent. It supports subdomain and domain hosting, backup DNS, reverse IPv6 DNS hosting and URL redirection.
GetFreeDomain is a directory listing free domain names and short subdomains with full DNS support and no injected ads. It provides a table of available suffixes, including notes on registries that have stopped accepting new registrations.
is-a.dev is a free service that provides developers with `.is-a.dev` subdomains. Users register a subdomain by visiting the is-a-dev/register repository on GitHub and following the instructions. The service also launched `.is-a.bot` subdomains.
JS.ORG offers free subdomains for GitHub Pages sites related to JavaScript, provided the page has reasonable content connected to JavaScript. Users add a CNAME file to their repository and open a pull request to register a subdomain, which should go live within 24 hours. The site has been dedicated to JavaScript and its community since 2015.
myaddr.tools is a minimalist dynamic DNS service. Users claim a subdomain name, receive a secret key, and manage DNS records through an HTTP-based update API, with support for ACME dns-01 challenges for TLS certificates. IP addresses must be updated at least once every 90 days to remain active, and registrations are deleted after 120 days without updates.
NoIP is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
nsupdate.info is a free dynamic DNS service and free and open-source software. It is written in Python and Django, and the site states it will not display ads or spam.
Public DNS Server List is a database of public DNS servers reachable by IPv4 or IPv6, with a continuously checked list of public and free DNS servers and per-country listings. The site reports 62,790 nameservers from 193 countries.
Publicdnsserver is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
Quad9 is a free public recursive DNS service operated by the Swiss-based Quad9 Foundation. It replaces a default ISP or enterprise DNS configuration and blocks lookups of malicious host names from a threat list, aiming to protect devices against malware, phishing, spyware and botnets. Service addresses support malware blocking and DNSSEC validation, with optional encryption via HTTPS and TLS.
TheDev is a storage, design, or frontend resource for mockups, assets, UI tools, or web search.
Tiarap is a public DNS resolver described as privacy-first, open and free, intended for security and privacy. It blocks over 3.2 million ads, tracking, malware, scam and phishing domains. The site states that IP addresses and DNS queries are not logged and that data is not sold or shared. It lists no logging, dns0x20, no ECS, DNSSEC, DNS Cookies and ECH.
