tools / dns lookup

DNS lookup

Query the live DNS records of any domain — the same answers resolvers see, with no local cache in the way.

What DNS records do

DNS is the internet's address book: it translates human-readable names like whatsmyip.no into the IP addresses computers actually connect to. Each record type answers a different question. A and AAAA point the domain to IPv4 and IPv6 servers. MX routes the domain's email. TXT carries free-form data, most importantly email authentication (SPF, DKIM, DMARC) and ownership verification. NS tells the world which name servers hold the authoritative answers.

This tool queries from our servers, so it shows the current public answer rather than whatever your device has cached — handy when you have just changed a record and want to confirm it has propagated.

Common questions

Which DNS record type should I check?
A records hold a domain’s IPv4 address, AAAA its IPv6 address. MX records say which servers receive the domain’s email. TXT records carry verification and email security data (SPF, DKIM, DMARC). NS records show which name servers are authoritative for the domain.
Why do I get no records back?
Either the domain does not publish that record type, or the domain does not exist. Try the NS type first — every registered domain has NS records.
I just changed my DNS. Why does the old value still show?
DNS answers are cached for the duration of the record’s TTL, often 5 minutes to 24 hours. Resolvers around the world update at different times, so a change can take a while to be visible everywhere.