DNS & Records
DNS Lookup Every DNS record for any domain A Record Lookup IPv4 addresses for a domain AAAA Record Lookup IPv6 addresses for a domain MX Lookup Mail servers for a domain NS Lookup Authoritative name servers TXT Lookup TXT records, SPF, verification CNAME Lookup Canonical name (alias) records SOA Lookup Start of Authority record SRV Lookup Service location records CAA Lookup Which CAs may issue certificates Reverse DNS (PTR) IP address to hostname DNSSEC Check Is the domain signed and validated?Email Deliverability
SPF Check Validate your Sender Policy Framework record DMARC Check Inspect and grade your DMARC policy DKIM Check Find and validate your DKIM public key Blacklist Check Check an IP against email blocklists (DNSBLs) SMTP Test Connect to a mail server and check STARTTLS MTA-STS Check Enforced TLS policy for inbound mail BIMI Check Brand logo record for email TLS-RPT Check SMTP TLS reporting policyNetwork & Web
SSL Certificate Check Inspect a site's TLS certificate and expiry HTTP Header Check Inspect response headers, redirects and security Ping (TCP) Reachability and latency over TCP Port Check Which common ports are openDomain
WHOIS Lookup Registration data for domains, IPs and ASNsColumbus, United States
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Server location and IP details for the most-checked sites.
In-depth, plain-English explanations of the concepts behind IP and DNS.
An IP address is the numerical label that identifies a device on a network. Learn how IPv4 and IPv6 work, the difference between public and private IPs, and how to check yours.
IPv4 uses 32-bit addresses (4.3 billion total) and is running out. IPv6 uses 128-bit addresses (340 undecillion) and is the long-term replacement. Here is the practical comparison.
IPeek is a privacy-first IP address and domain lookup tool by Utropia, with a free web app and a native macOS menu bar companion. Every lookup is processed in real time — we do not log queries or sell visitor data.
Looking to find an IP address location? Our free IP lookup tool helps you instantly discover detailed information about any IP address. Whether you need to track an IPv4 or IPv6 address, our geolocation service provides accurate data including city, country, region, ISP, and precise coordinates.
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Our IP address lookup service is perfect for network administrators, cybersecurity professionals, and anyone needing to verify IP geolocation data. Simply enter an IP address or domain name above to get instant results. For enhanced features, try our native macOS app that provides quick access to IP intelligence directly from your menu bar.
IPeek offers both a free web-based IP lookup tool and a powerful desktop application, making it easy to perform IP address searches and get accurate geolocation data whenever you need it. Whether you're troubleshooting network issues, enhancing security, or simply curious about an IP address location, our tool provides the reliable information you need.