Is this tool private?

Yes. All processing happens locally in your browser. No data is uploaded.

What extras does this tool have?

Extras: (1) Core function, (2) Batch mode, (3) Copy results, (4) Download, (5) History, (6) CSV export, (7) Custom options, (8) Validation, (9) Warnings, (10) Stats, (11) Multi-format, (12) Configurable, (13) Preview.

Network, Runs in your browser

NSLookup Reference

Reference for DNS lookup types (A, AAAA, MX, TXT, CNAME, NS, SOA) with query builder. 100% private. 100% private.

100% Private Works Offline Instant

Domain

Type

Server (optional)

Port

Use TCP

AAddress (IPv4)common

dig command

dig example.com A

nslookup command

nslookup -type=A example.com

Maps a hostname to an IPv4 address.

Use case: Find the IPv4 address of a domain.

Response: ANSWER SECTION: <name> <ttl> IN A <ip>

Example

example.com.  3600  IN  A  93.184.216.34

TTL classifier

seconds30m–1h

Medium; common default for A records.

0–60sNear real-time; for fast-changing records (CDN failover).

1–5mShort; for records that may change on deploy.

5–30mMedium-short; balance between caching and agility.

30m–1hMedium; common default for A records.

1–6hLong; for stable records like MX or TXT.

6h–1dLong; for NS records and SOA minimums.

1d+Very long; for rarely-changing records.

Batch query builder

3 lookups2 domains

dig example.com A
dig example.com MX
dig google.com AAAA

DNSSEC reference

DNS Security Extensions — adds cryptographic signatures to DNS records.

Record types: DNSKEY, RRSIG, DS, NSEC, NSEC3

Authenticity — proves records came from the zone owner.
Integrity — detects in-transit modification.
Authenticated denial of existence — proves a record does not exist.

EDNS reference

EDNS0 adds an OPT pseudo-record to extend DNS without protocol changes.

Default UDP size: 4096. Flags: DO (DNSSEC OK), Z (reserved).

Extensions: Cookies, Client Subnet (ECS), Padding, TCP Keepalive

All query types (10)

Privacy: this is a static reference. No DNS queries are sent.

Reference for DNS lookup types (A, AAAA, MX, TXT, CNAME, NS, SOA) with query builder. 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

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