21 free tools
Free online website & network tools
Network tools for admins and developers: see your IP, calculate IPv4 and IPv6 subnets, query DNS records from several public resolvers, check MX, SPF, DKIM and DMARC, test ports and response time, inspect HTTP headers and redirects, and check whether a website is down.
21 tools
- DNS LookupA, AAAA, MX, TXT, NS, CNAME records
- Internet Speed TestDownload, upload, ping, jitter and bufferbloat
- What Is My IPYour public IPv4/IPv6, ISP and location
- IPv4 CalculatorAddress type, class, binary and hex
- IPv6 CalculatorCompress, expand and analyse IPv6
- Subnet CalculatorNetwork, broadcast, mask, host range
- DNS Propagation CheckerCompare answers from public resolvers worldwide
- Ping TestTCP ping and HTTP response time
- Port CheckerIs a TCP port open on a host?
- HTTP Header CheckerResponse headers and security headers
- Website Uptime CheckerLive monitor with response-time chart
- Website Down CheckerIs it down for everyone or just me?
- Domain IP CheckerFind the IP addresses of a domain
- DNS Record CheckerAll DNS records for a domain at once
- MX Record CheckerMail servers, priorities and their IPs
- SPF Record CheckerValidate SPF and count DNS lookups
- DKIM CheckerLook up and parse a DKIM public key
- DMARC CheckerParse DMARC policy and reporting
- Website Redirect CheckerCheck http/https and www redirects
- User Agent CheckerParse any user-agent string
- Browser Information CheckerScreen, language, cookies, JS features
Questions about Website & Network Tools
How many website & network tools does ClickZM have?
21 free website & network tools, including DNS Lookup, Internet Speed Test, What Is My IP, IPv4 Calculator and more.
Are ClickZM's website & network tools free?
Yes. Every tool is free to use without an account, a watermark or a daily limit.
Sponsored
A recommended offer
Opens in a new tab. It is separate from the calculators.
Advertisement