Best Sysadmin Tools in 2026

Get my IP Address.

Key ifconfig.me features:

Simplicity Automation Friendly No Sign-Up Required

Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.

Key DNSChecker.org features:

Global Coverage Ease of Use Supports Various Records Free Service

free

Instantly check your domain names current IP address and DNS record information against multiple name servers located in different parts of the world.

Key Whats My DNS features:

Global DNS Propagation Check User-Friendly Interface Multiple DNS Record Types Free to Use

What is my IP? Get your current public IP address.

Key IP Chicken features:

Simplicity Quick Access No Cost

Simple IP address information.

Key ipinfo.io features:

Comprehensive Data Ease of Use Accuracy Scalability

Open Source

AbuseIPDB is an IP address blacklist for webmasters and sysadmins to report IP addresses engaging in abusive behavior on their networks, or check the report history of any IP.

Key AbuseIPDB features:

Comprehensive IP Abuse Database User Contribution Model API Access Detailed Reports

Global DNS Propagation Checker.

Check Domain Name System (DNS) records for any website.

Key DNS Checker Tool features:

User-Friendly Interface Comprehensive Coverage Global DNS Propagation Check Speed

DNS Propagation Checker: Check the propagation of your website accross the world's DNS servers.

Key DNS Propagation Checker features:

Global Coverage Ease of Use Visualization No Registration Required

What is my IP address? — The best tool to find your own IP address, and information about it.

Key ifconfig.co features:

Simplicity Accessibility Speed No Dependencies

Open Source

Beware of cheap imitations! SpamCop has been protecting the internet community since 1998.

Key SpamCop features:

Efficient Spam Reporting Blacklist Database Community Contribution Automated Analysis

Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web.

Key Google features:

Search Efficiency User-Friendly Interface Integration with Other Services Speed

DNS Propagation Check is an online tool that allows you to instantly perform a DNS lookup against any domain names or IP addresses.

Key DNS Propagation Check features:

Wide Reach Real-Time Information Accessibility User-Friendly Interface