SSL Checker
Review certificate details next to DNS configuration and domain reachability signals.
Open SSL CheckerDNS diagnostics
DNS Checker
Inspect DNS records instantly.
Run a DNS record check
Enter a public domain to inspect A, AAAA, MX, TXT, CNAME, and NS records from the live DNS response.
No signup required Live DNS diagnostics Built for infrastructure teams
Live record visibility
Inspect address, mail, alias, text, and nameserver records from the live DNS response.
Faster infrastructure review
Switch between record types quickly and review TTL and priority details in one dashboard.
Change monitoring context
Spot missing core records faster before DNS changes affect traffic, email delivery, or domain health.
Why DNS checks matter
A DNS checker helps teams confirm what a domain is actually publishing at the record level after registrar updates, provider migrations, or traffic routing changes.
That matters because DNS records sit underneath website delivery, email routing, verification flows, and infrastructure failover behavior. A small mistake can affect multiple systems at once.
Reviewing A, AAAA, MX, TXT, CNAME, and NS records together gives operations teams a faster way to understand current DNS state without jumping across multiple tools.
Running live DNS checks regularly also makes it easier to spot missing record groups, propagation mistakes, or incomplete changes before users notice a service issue.
Related tools
Explore adjacent checks that help teams review certificates, renewal timing, and redirect behavior alongside DNS records.
Domain Expiry Checker
Check domain renewal timing and registrar details alongside live DNS records.
Open Domain Expiry CheckerRedirect Checker
Inspect redirect behavior after confirming DNS record setup and destination readiness.
Open Redirect CheckerFrequently asked questions
Quick answers about DNS records, TTL, nameservers, and why DNS diagnostics matter.