Free network tools
Check IP addresses, DNS records, SSL certificates, email authentication, redirects, ports and other public network details without an account.
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View changelog ->IP and network
6 tools - address, ownership, conversion and rangesIP lookup
Inspect an IPv4 or IPv6 address, reverse DNS and local GeoIP data.
Open tool ->ASN lookup
Find the network owner, ASN, ISP and location for an IP address.
Open tool ->IPv4 / IPv6 check
See which IP version your current connection is using.
Open tool ->Subnet calculator
Calculate network, mask, wildcard, broadcast and usable IPv4 ranges.
Open tool ->IPv4 / IPv6 converter
Normalize IPs and view hex, binary, reverse-DNS and mapped representations.
Open tool ->IP range calculator
Explore CIDR blocks or summarize an IPv4 start/end range into minimal CIDRs.
Open tool ->DNS and domains
6 tools - records, propagation, security and registrationDNS lookup
Query A, AAAA, MX, TXT, NS and CNAME records.
Open tool ->DNS propagation
Compare DNS answers from four major public recursive resolvers.
Open tool ->DNSSEC checker
Check DS, DNSKEY and validation through the DNSSEC chain of trust.
Open tool ->CAA checker
See which certificate authorities a domain authorizes for TLS issuance.
Open tool ->Reverse DNS
Resolve an IP address back to its PTR hostname.
Open tool ->Domain RDAP lookup
Check registration dates, status, nameservers and registrar data.
Open tool ->Email and transport security
6 tools - routing, authentication, policy and headersMX lookup
Find the mail exchangers and priorities published for a domain.
Open tool ->SPF checker
Inspect a domain SPF sender policy and its mechanisms.
Open tool ->DMARC checker
Check DMARC policy, reports and SPF/DKIM alignment.
Open tool ->DKIM checker
Look up a DKIM public key by signing domain and selector.
Open tool ->MTA-STS & TLS-RPT
Inspect SMTP TLS enforcement policy and delivery-failure reporting.
Open tool ->Email header analyzer
Paste raw headers to inspect authentication results and delivery hops.
Open tool ->Web and developer
11 tools - TLS, HTTP, TCP, browser diagnostics, terminal and APISSL certificate checker
Check HTTPS certificate expiry, issuer, SANs, protocol and cipher.
Open tool ->HTTP status & redirects
Follow a public URL through every redirect and HTTP status hop.
Open tool ->HTTP security headers
Inspect CSP, HSTS, referrer, permissions and frame protections.
Open tool ->Robots.txt checker
Inspect crawler directives, sitemap declarations and broad crawl blocks.
Open tool ->XML sitemap checker
Validate sitemap XML structure, counts and a sample of published URLs.
Open tool ->Port checker
Test a single TCP port on a public hostname or IP address.
Open tool ->HTTP headers
See the request headers your browser sends to IPGetter.
Open tool ->User agent
Inspect your browser user-agent and basic platform details.
Open tool ->IPGetter Terminal
Run safe IP, DNS, TLS, HTTP and email diagnostics from a browser command line.
Open tool ->Terminal embed builder
Configure and embed the IPGetter terminal in docs, dashboards or websites.
Open tool ->Developer API
Use raw text and JSON endpoints from scripts and command-line tools.
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