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iplocatortools.com · Free Network Tools
What is a DNS Lookup and Why Use One?

The Domain Name System (DNS) is the phonebook of the internet. When you type a domain name like google.com into your browser, your computer performs a DNS lookup to find the corresponding IP address — the actual numerical address of the server hosting the website. Without DNS, you would need to memorize IP addresses like 142.250.80.46 just to visit Google. DNS translates human-readable domain names into machine-readable IP addresses, and this translation happens in milliseconds every time you load a webpage, send an email, or use any internet-connected application.

A DNS lookup tool gives you direct access to the raw DNS records behind any domain. Instead of relying on your browser to resolve the address silently, you can inspect every record type manually. This is invaluable when troubleshooting website issues, verifying email server configurations, checking DNS propagation after migrating a domain to a new host, or investigating security concerns.

IPLocatorTools uses Cloudflare DNS-over-HTTPS (DoH) for all queries — the same infrastructure that powers one of the world's largest DNS networks. This means your lookups are fast, private, and encrypted. The tool supports eight record types: A records for IPv4 addresses, AAAA records for IPv6, MX for mail exchange servers, NS for nameservers, TXT for SPF and DKIM email authentication, CNAME for domain aliases, SOA for zone authority information, and PTR for reverse DNS lookups. Each record type serves a different diagnostic purpose and is essential for different aspects of network troubleshooting.

If you are setting up email for your domain, MX and TXT records are critical — misconfigured mail records mean your emails will not be delivered. If you are migrating a website to a new server, monitoring A record propagation tells you when traffic begins routing to the new IP. Security researchers use DNS lookups to identify phishing domains, investigate malicious infrastructure, and verify SPF and DKIM records that prevent email spoofing.

Learn more: What is DNS and How Does It Work? →

◉ Network Utility

DNS Lookup Tool

Query any DNS record type for any domain. Powered by Cloudflare DNS-over-HTTPS — fast and private.

Record Type:
IPv4 address records

DNS Record Types Explained

AIPv4 address records
AAAAIPv6 address records
MXMail exchange servers
NSAuthoritative nameservers
TXTText records (SPF, DKIM, etc.)
CNAMECanonical name aliases
SOAStart of authority record
PTRReverse DNS lookup

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DNS Lookup — Frequently Asked Questions

A DNS lookup queries the Domain Name System to retrieve records associated with a domain name. The most common record types are A (IPv4 address), AAAA (IPv6 address), MX (mail servers), NS (nameservers), and TXT (text records used for SPF and DKIM email verification).
Go to IPLocatorTools DNS Lookup, enter the domain name, select MX as the record type, and click Lookup DNS. The tool will return all mail exchange servers and their priority values.
An A record (Address Record) maps a domain name to an IPv4 address. For example, the A record for google.com points to a public IP. When you type a domain into a browser, your computer queries the A record to find which IP address to connect to.
TXT records store arbitrary text data associated with a domain. The most common uses are SPF records (which email servers are allowed to send mail for the domain), DKIM keys (cryptographic email signatures), and domain verification codes for Google Search Console, Mailchimp, and similar services.
TTL stands for Time To Live. It is the number of seconds a DNS record is cached by resolvers before they query the authoritative server again. A TTL of 3600 means the record is cached for 1 hour. Lower TTL values let you propagate DNS changes faster.
DNS propagation typically takes between a few minutes and 48 hours depending on the TTL of the old record. Most resolvers worldwide will have the new record within 1 to 4 hours. You can use a DNS lookup tool to check whether the new record has propagated from different resolvers.