A
Maps a domain name to one or more IPv4 addresses.
Networkserverbetav0.1.0
DNS Lookup
Inspect DNS records for a domain.
DNS queries are processed by the BOYGR Tools server because DNS resolution requires server-side network access.
What is DNS Lookup?
DNS Lookup retrieves DNS records for a domain name. You can inspect common record types such as A, AAAA, CNAME, MX, TXT, and NS records.
How to use DNS Lookup
- Enter a domain name such as example.com.
- Choose the DNS record type you want to inspect.
- Select Lookup DNS.
- Review the returned DNS records.
- Copy the results when needed.
Supported DNS record types
AAAA
Maps a domain name to one or more IPv6 addresses.
CNAME
Points one hostname to another canonical hostname.
MX
Specifies mail servers responsible for receiving email for a domain, including priority values.
TXT
Stores arbitrary text commonly used for verification, SPF, DKIM, and other domain configuration.
NS
Lists authoritative name servers configured for a domain.
Server-side DNS resolution
Unlike tools such as JSON Formatter or Image Resizer, DNS Lookup requires network access to DNS resolvers. The domain name and requested record type are therefore sent to the BOYGR Tools server, which performs the DNS query and returns the result.
Frequently asked questions
Why does DNS Lookup run on the server?
The browser does not provide a general-purpose API for querying arbitrary DNS record types directly. BOYGR Tools performs the DNS resolution on the server and returns the results to the browser.
What is an MX priority?
MX records include a priority value. Lower numbers normally indicate a more preferred mail server.
Why can a DNS query return multiple records?
Domains can intentionally publish multiple addresses, mail servers, name servers, or text records for redundancy, distribution, or configuration purposes.
Is the entered domain processed locally?
No. DNS Lookup sends the domain and requested record type to the BOYGR Tools server so the server can perform the DNS query.