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Network Tools

Lookup DNS records, check SSL certificates, analyze HTTP headers, and troubleshoot connectivity.

Ip 4

CIDR Range Calculator

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Calculate network details from CIDR notation including address range, subnet mask, and usable hosts

IP Address Lookup

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Look up geolocation and network information for any IP address

IPv4 to IPv6 Converter

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Convert IPv4 addresses to their IPv6 mapped equivalents

My IP Address

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Detect and display your current public IP address instantly

Monitoring 4

HTTP Headers Analyzer

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Inspect and analyze HTTP response headers for any URL with security insights

Port Status Checker

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Check if a specific port is open or closed on any host

URL Availability Checker

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Check if a URL is reachable and responding with status code and response time

Website Screenshot

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Capture a full-page or viewport screenshot of any live website as a PNG or JPEG, rendered in real headless Chrome.

Dns 2

DNS Lookup

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Query DNS records for any domain including A, AAAA, MX, NS, TXT, and CNAME

Reverse DNS Lookup

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Find hostnames associated with an IP address using reverse DNS

Lookup 2

MAC Address Lookup

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Look up the vendor or manufacturer for any MAC address

WHOIS Lookup

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Query WHOIS registration data for any domain name or TLD

Ssl 1

SSL Certificate Checker

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Check SSL/TLS certificate details and validity for any domain

Generators 1

Random IP Generator

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Generate random valid IP addresses, public IPv4, private IPv4 (RFC 1918), or IPv6, in batches of up to 500.

Parsers 1

User Agent Parser

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Paste a User-Agent string and break it into browser, OS, device type, and rendering engine in one click.

What Are Network Tools For?

Troubleshooting. Something's broken, a site won't load, an SSL certificate looks wrong, DNS isn't resolving, an API is returning weird headers, and you need to figure out why, fast. The DNS Lookup pulls every record type for a domain: A, AAAA, MX, TXT, CNAME, NS, SOA. The SSL Certificate Checker walks the full chain and flags expiration dates and misconfigurations. The WHOIS Lookup shows who owns a domain, when it was registered, when it expires, and which nameservers it points to. There's also an IP Address Lookup with geolocation, a Reverse DNS tool, IPv4-to-IPv6 conversion, a MAC Address vendor identifier, a CIDR Range Calculator, a Port Status Checker, and a URL Availability Checker. Basically, the stuff sysadmins and devops engineers use daily.

Why Use a Web Tool Instead of the Command Line?

You absolutely can run dig, nslookup, or openssl from your terminal. But if you're on a machine without those installed, or you just want a cleaner view of the results without parsing raw output, these tools save time. The DNS Lookup shows records in a formatted, color-coded table. The SSL Checker lays out the certificate chain visually with clear warnings for anything that's off. WHOIS results come back parsed into labeled fields instead of a wall of text. All the lookups happen server-side from our backend, so you get results in seconds without remembering command syntax.

Network Tools People Use When Things Break

  • DNS Lookup, Type a domain and see every DNS record it has, A, AAAA, MX, TXT, CNAME, NS, SOA, laid out in a clean table.
  • SSL Certificate Checker, Enter a domain and get the full certificate chain: issuer, subject, validity dates, key size, and whether anything in the chain is misconfigured or about to expire.
  • WHOIS Lookup, Pulls the registration record for any domain, registrar, creation date, expiry, nameservers, and registrant info (when available).
  • IP Address Lookup, Paste an IP and see where it geolocates, which ISP owns it, what organization it belongs to, and its reverse DNS hostname.
  • My IP Address, Shows your current public IP along with your approximate location, ISP, and connection type. Quick sanity check when debugging VPN or proxy setups.
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