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Enter a domain to see its A, AAAA, MX, TXT, NS and CNAME records in one view.
Free, no signup. Up to 10 checks per hour.
DNS turns a domain name into the addresses and settings other servers need. Each record type answers a different question.
A records hold IPv4 addresses and AAAA records hold IPv6 addresses. Browsers use them to reach the website.
MX records name the servers that receive email for the domain, with a priority number. The lowest number is tried first.
NS records list the nameservers that hold the domain's DNS. To change any record, you edit it at the provider those nameservers belong to.
The SOA record names the primary nameserver and timing values, including the serial number that goes up with each change.
A CNAME makes one name an alias of another, common for www, tracking domains and SaaS verification. It cannot sit on the root domain.
TXT records carry SPF, domain verification codes and other text. DKIM and DMARC records are TXT too, but they live on their own names, such as _dmarc.acme.com.
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A DNS lookup asks the domain name system for the records stored under a name. This tool asks public resolvers for A, AAAA, CNAME, MX, NS, TXT and SOA records at once.
They live on separate names: DMARC at _dmarc.yourdomain.com and DKIM at selector._domainkey.yourdomain.com. Use the DMARC and DKIM checkers, which know where to look.
Up to the record's TTL, the number of seconds resolvers may cache the old answer. That is often between five minutes and a day. New records usually appear within minutes.
The resolver returned NXDOMAIN, which means the name does not exist in DNS. The domain may be misspelled, expired, or not yet set up with nameservers.
Most subdomains do not need them. NS records sit at the top of a zone, and MX records only exist where a name receives mail.
