⚡ Only 300 spots remaining • Closes in 2d 14h 32m
⚡ Only 300 spots remaining • Closes in 2d 14h 32m
Check DNS records for any domain
Get comprehensive DNS records including A, AAAA, MX, NS, CNAME, and TXT records for any domain name.
Retrieves A, AAAA, MX, NS, TXT, and CNAME records to diagnose configuration and mail delivery issues.
Surfaces SPF, DKIM, and DMARC entries stored as TXT records for email authentication checks.
Shows which DNS provider hosts a domain's zone and confirms the nameservers respond.
Enter a domain and run the lookup.
Read the A/AAAA for hosting, MX for mail routing, and NS for the zone provider.
Check TXT records for SPF, DKIM, and DMARC entries.
Troubleshoot based on what's missing or pointing to the wrong provider.
Developers and site admins diagnose 'why is my site/mail not working' by confirming where DNS points actually resolve, and verifying email authentication before big sends.
Returns records as currently published; DNS caching between the query and the authoritative server can mask very recent changes.
Vertical and horizontal — it does not tell you why a record is wrong, only what is published.
Privacy and CDN setups intentionally mask the origin, which can look unusual at a glance.
An A record maps a domain name to the IPv4 address of the server hosting the website — the most basic DNS routing entry.
Mail Exchanger (MX) records tell the internet which mail servers accept email for a domain.
The period after a DNS change while updated records spread across recursive resolvers worldwide — commonly up to 48 hours for the slowest caches.
TXT records carry verification tokens (search console, domain validation) and security policies like SPF and DMARC.
Last updated: September 2026
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