Alternatives to whatsmydns.net
A free online tool that checks DNS propagation against nameservers in many countries. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
whatsmydns.net
A free online tool that checks DNS propagation against nameservers in many countries.
Replacements
Listings that take over the same core job as whatsmydns.net.
DNSChecker
A web tool that checks DNS propagation by querying public resolvers in many countries.
DNSChecker also queries resolvers in many countries and adds DNSSEC record types, regular expression matching and automatic refresh while waiting for changes.
Dig Web Interface
Online front end to dig for querying DNS records against public resolvers or chosen nameservers.
Dig Web Interface queries several resolvers or chosen nameservers with full dig options and shareable URLs, aimed at users who already know dig.
Globalping
A free service for running ping, traceroute, DNS, MTR and HTTP tests from probes worldwide.
Globalping is open source and runs DNS queries from volunteer probes worldwide, with a web interface, CLI and API, plus ping, traceroute and HTTP tests.
Google Admin Toolbox Dig
Google's free web-based DNS lookup tool that queries a domain's records and shows the results.
Google Admin Toolbox Dig shows raw DNS responses from Google's side only, so it checks records but not propagation across many countries.
Check-Host
Online tool that checks a host with ping, HTTP, TCP, UDP and DNS from servers worldwide.
Check-Host runs DNS checks from many locations alongside ping, HTTP, TCP and UDP tests and offers a documented API, though its pages carry hosting advertising.
Also worth comparing
These listings name whatsmydns.net as their own alternative, so the relationship runs both ways.
CAA Test
A web tool that checks the DNS CAA records published for a domain.
whatsmydns.net checks CAA along with MX, TXT and other records against servers in many countries, highlighting mismatches with an expected value field.
Similar software
Related functionality, not a direct replacement.
intoDNS
A free web tool that checks a domain's DNS and mail server health and configuration.
DNSsy
A free website that tests a domain's DNS health and offers live DNS, reverse, WHOIS and ping lookups.
Zonemaster
An open-source DNS validation tool that checks a domain's delegation and zone for configuration errors.
ViewDNS.info
A web collection of more than 20 DNS, IP and domain lookup tools, with a paid API.
RIPE Atlas
A global network of measurement probes for testing internet connectivity and reachability from many locations.
DNSViz
An open-source tool suite that visualizes DNS zones and the DNSSEC authentication chain.