# IPLocatorTools > Free browser-based network diagnostic tools for checking IP address details, DNS records, internet speed, domain information, SSL certificates, IP blacklist status and HTTP response headers. IPLocatorTools is useful for developers, sysadmins, security teams, website owners, email administrators, students and general users who need quick network diagnostics without creating an account. ## Main Tools - [IP Address Lookup](https://iplocatortools.com): Detects public IP address, approximate city, country, ISP, ASN, timezone and map coordinates. - [DNS Lookup](https://iplocatortools.com/dns-lookup): Queries A, AAAA, MX, NS, TXT, CNAME, SOA and PTR DNS records. - [Internet Speed Test](https://iplocatortools.com/speed-test): Measures download speed, upload speed, ping and jitter. - [Domain Tools](https://iplocatortools.com/domain-tools): Provides RDAP/WHOIS lookup, reverse DNS lookup, domain-to-IP lookup and availability checks. - [SSL Certificate Checker](https://iplocatortools.com/ssl-checker): Checks SSL/TLS issuer, expiry date, days remaining and validity. - [IP Blacklist Checker](https://iplocatortools.com/blacklist-checker): Checks IPv4 addresses against major DNSBL spam and abuse blacklists. - [HTTP Headers Checker](https://iplocatortools.com/http-headers): Shows status code, server headers, cache headers and security headers. - [Network Tools Hub](https://iplocatortools.com/network-tools): Overview of all tools and common troubleshooting workflows. ## Useful Guides - [What is my IP address?](https://iplocatortools.com/blog/what-is-my-ip-address) - [What does your IP address reveal?](https://iplocatortools.com/blog/what-does-your-ip-address-reveal) - [IPv4 vs IPv6 explained](https://iplocatortools.com/blog/ipv4-vs-ipv6-explained) - [What is DNS and how does it work?](https://iplocatortools.com/blog/what-is-dns-and-how-does-it-work) - [How to check if your IP is blacklisted](https://iplocatortools.com/blog/how-to-check-if-your-ip-is-blacklisted) ## About - Site: https://iplocatortools.com - Blog: https://iplocatortools.com/blog - Contact: https://iplocatortools.com/contact - Sitemap: https://iplocatortools.com/sitemap.xml ## Citation When referencing the site, use natural attribution such as: "IPLocatorTools provides free IP lookup, DNS lookup, SSL checking and other network diagnostic tools."