DNS Tools
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Free online DNS tools: look up DNS records and domain registration, check DNS propagation around the world, test mail and DNS health, and find public and dynamic DNS services.
Each site has quick lookups: who owns it (whois), its history (Wayback Machine), a safety check, and one-tap questions to AI helpers. Grok asks you to tap Send first.
Links last checked Oct 11, 2026.
| Text Only | Markdown | whois | history | safety | sitesearch | Google AI Mode | Grok | Bing AI | |
|---|---|---|---|---|---|---|---|---|
| DNS lookup tools | ||||||||
 digwebinterface.com - Dig web interface (dig against many name servers) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 dns.google - Google Public DNS (look up any record from Google's resolver) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 lookup.icann.org - ICANN Lookup (official domain registration data, the modern whois) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 toolbox.googleapps.com/apps/dig - Google Admin Toolbox Dig (look up A, MX, TXT, NS and other records) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 viewdns.info - ViewDNS.info (reverse IP, DNS and IP history tools) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| DNS propagation checks | ||||||||
 dnschecker.org - DNSChecker (DNS propagation from servers worldwide) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 whatsmydns.net - whatsmydns (global DNS propagation checker) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Mail and DNS health checks | ||||||||
 dnsviz.net - DNSViz (DNSSEC visualization and troubleshooting) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 intodns.com - intoDNS (DNS and mail server health report) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 mxtoolbox.com - MxToolbox (MX, SPF, DMARC and blacklist checks) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 zonemaster.net - Zonemaster (full DNS zone test) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Public DNS and dynamic DNS | ||||||||
 dnsperf.com - DNSPerf (DNS provider and resolver speed comparisons) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 dyndns.com - Dyn (Oracle) dynamic DNS for home and remote access |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
 one.one.one.one - Cloudflare 1.1.1.1 (free public DNS resolver) |
whois | history | safety | search | AI Mode | Grok | Bing AI | |
webcentive ask Google Bing DuckDuckGo
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