WebTool Cloud / THE COMPLETE TOOLKIT
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37 free tools for domains, email, websites, networks, and IP addresses.
DNS Tools9
DNS Lookup
Look up the DNS records behind any domain. Inspect addresses, nameservers, mail routing, and more in one place.
CHECK & EXPLOREDNS Propagation Checker
Compare DNS answers across public resolvers worldwide. See which records agree and spot changes still taking effect.
CHECK & EXPLOREWebsite Speed Test
Measure connection time, first-byte response, and HTML transfer speed from this server.
CHECK & EXPLORENS Lookup
Find the authoritative nameservers that manage a domain’s DNS.
CHECK & EXPLOREMX Lookup
Find mail servers and their delivery priorities for a domain.
CHECK & EXPLORECNAME Lookup
Follow DNS aliases and inspect where a hostname points.
CHECK & EXPLOREReverse DNS Lookup
Find the PTR hostnames associated with a public IP address.
CHECK & EXPLOREDomain Validation
Check address records, nameservers, and mail configuration for a domain.
CHECK & EXPLOREDomain Age Checker
Discover when a domain was registered and how long it has existed.
CHECK & EXPLOREEmail Tools9
Email Checker
Check an email address’s syntax and whether its domain can receive mail.
CHECK & EXPLORESPF Record Checker
Inspect SPF records and the senders authorized to email on behalf of a domain.
CHECK & EXPLOREDMARC Checker
Read a domain’s DMARC policy, alignment settings, and reporting destinations.
CHECK & EXPLOREDKIM Checker
Look up a DKIM selector and inspect its public signing key.
CHECK & EXPLORESMTP Test Tool
Test the connection to a public mail server and inspect its SMTP greeting.
CHECK & EXPLOREEmail Header Analyzer
Read email routing hops and authentication results from pasted headers.
ANALYZEDMARC Record Generator
Build a DMARC TXT record with the policy and reporting settings you choose.
GENERATESPF Record Generator
Create an SPF TXT record for your mail servers and sending services.
GENERATEDKIM Record Generator
Generate a 2048-bit RSA key pair and a DKIM public DNS record in your browser.
GENERATEWebsite Tools9
Website Down Checker
Check whether a website responds and see its HTTP status.
CHECK & EXPLOREWHOIS Lookup
Explore domain registration, registrar, expiry dates, and nameservers using RDAP.
CHECK & EXPLORESubdomain Finder
Discover publicly visible subdomains from certificates and common DNS names.
CHECK & EXPLORECMS Detector
Inspect public page signals to identify a website’s content management system.
CHECK & EXPLORELink Analyzer
List a page’s internal and external links and inspect their destinations.
CHECK & EXPLORERedirect Checker
Follow the HTTP redirect chain and see each status and destination.
CHECK & EXPLORERobots.txt Generator
Create crawl instructions for search engines with clear allow and disallow rules.
GENERATESitemap Generator
Turn a list of website URLs into a valid XML sitemap ready to download.
GENERATEDomain Health Checker
Review essential DNS, email authentication, and HTTPS checks together.
CHECK & EXPLORENetwork Tools6
Ping Tool
Measure ICMP response times and packet loss to a public host.
CHECK & EXPLORETraceroute
Trace network hops between this server and a public destination.
CHECK & EXPLOREPort Checker
Test whether a selected TCP service accepts a connection on a public host.
CHECK & EXPLOREHTTP Headers Check
Inspect response headers, caching rules, and website security headers.
CHECK & EXPLORESSL Certificate Check
Inspect the TLS certificate, issuer, validity dates, and hostname match.
CHECK & EXPLOREWhat Is My ISP
Find the network provider and ASN associated with your public connection.
CHECK & EXPLOREIP Tools4
IP Lookup
Find the approximate location, network, and organization behind a public IP address.
CHECK & EXPLOREWhat Is My IP
See the public IP address used by your connection to this site.
CHECK & EXPLOREIP Blacklist Check
Check a public IPv4 address against selected DNS-based blocklists.
CHECK & EXPLOREIP to Hostname
Resolve a public IP address back to its advertised hostname.
CHECK & EXPLORE