DNS Lookup
Look up the DNS records for any domain or hostname. Enter a domain and our tool queries A, AAAA, MX, TXT, NS, SOA and CNAME records for you — all in real time, straight from your browser.
What Is a DNS Lookup?
The Domain Name System (DNS) is the internet's phone book. When you type a website address like example.com, DNS quietly translates that human-friendly name into the numeric IP address your browser actually connects to. A DNS lookup is the process of querying the DNS infrastructure to see exactly what records are published for a domain — and our tool performs that lookup live, for every major record type, the moment you press Lookup.
Each type of DNS record serves a different purpose. A records map a domain to an IPv4 address, while AAAA records map it to the newer IPv6 format. MX records tell email servers where to deliver your mail, TXT records often hold verification tokens or SPF sender policy, NS records list the authoritative name servers, and CNAME records point one name to another.
How to Use This Tool
- Type the domain or hostname you want to check — for example
example.com,mail.example.comorwww.example.org. - Press Lookup (or hit Enter on your keyboard).
- Results appear instantly for A, AAAA, MX, TXT, NS, SOA and CNAME records.
- Use the results to verify your own domain is configured correctly, diagnose email delivery problems, or confirm whether a site is using a CDN such as Cloudflare.
The tool is completely free, requires no account, and runs client-side. Your domain query is sent only to the public DNS resolver needed to answer it — nothing is stored or logged by us.
DNS Lookup — Frequently Asked Questions
Why is my DNS lookup returning different results than my provider's?
DNS records are distributed and cached at many levels. Your ISP, your operating system and public resolvers all cache records for a period controlled by the TTL (time-to-live) value. If you changed a record recently, it can take from minutes to 48 hours for the change to propagate everywhere. Re-checking later, or using an authoritative server, will eventually show the updated value.
What is the difference between an A record and an AAAA record?
An A record maps a hostname to an IPv4 address (for example 93.184.216.34), the traditional address format. An AAAA record maps a hostname to an IPv6 address (for example 2606:2800:220:1:248:1893:25c8:1946), the newer and much larger address space. A domain can have both, and well-configured modern sites often publish both so visitors on any network can connect.
How can I tell if a domain is behind a CDN like Cloudflare?
If the A and AAAA records for a domain point to addresses belonging to a known CDN provider (Cloudflare, Fastly, CloudFront, and so on) rather than to the site's own hosting provider, the site is almost certainly behind that CDN. You can also look at the NS records or run an HTTP Headers check on the site to confirm the presence of CDN-specific headers.
Why are my MX records important?
MX (Mail Exchange) records tell the internet where to send email addressed to your domain. If your MX records are missing, wrong or misconfigured, incoming email will bounce or be delayed. Checking your MX records with this tool is a quick first step whenever you suspect email delivery problems on a domain you manage.
Does this DNS lookup tool store my queries?
No. IPChecks does not collect, store or log the domains you look up. The query is performed live in your browser using a public DNS resolver and the results are shown to you only. We value your privacy — nothing you enter here is ever saved by us.