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Google Admin Toolbox Dig

Google Admin Toolbox Dig

Browser-based dig-style DNS lookup from Google’s Admin Toolbox.

Reading time:: 5 min
Difficulty:: Intermediate
Estimated duration:: 5 min
Prerequisites:: None
Last updated:: 2026-07-15
Author:: empire

Overview

Browser-based dig-style DNS lookup from Google’s Admin Toolbox.

Vendor: Google

Primary purpose

Run dig-like DNS queries from the browser without installing tools.

Best for

Quick DNS checks when you only have a browser

Common use cases

Share a public dig result with a teammate
Check TXT/MX remotely

Advantages

No install
Familiar dig-style output

Limitations

Depends on Google’s vantage point and availability

When not to use it

You need offline or scripted lookups

Pricing

Free web utility.

Official website

toolbox.googleapps.com/apps/dig/

Inputs and outputs

Typical inputs

Domain
Record type

Typical outputs

DNS answers

Privacy notes

Review each vendor’s data handling before uploading production lists or message content.

Related learning

DNSDomain Name System — the lookup fabric email authentication depends on.

Related problems

CNAME at zone apexA CNAME is placed at the zone apex where other record types are also required.
HELO / EHLO problemsThe SMTP HELO/EHLO hostname is missing, invalid, or inconsistent with reverse DNS.
Inconsistent authoritative answersAuthoritative name servers for the same zone return conflicting data.
Incorrect MX targetMX points to the wrong host name or unreachable mail server.
Missing glue recordsDelegation references in-bailiwick name servers without required glue.
MX record missingNo MX record is published for a domain that should receive mail.
NXDOMAIN for expected nameA name that should exist returns NXDOMAIN from authoritative servers.
Reverse DNS mismatchPTR (reverse DNS) for a sending IP is missing or does not match the forward hostname used in mail.
Stale DNS cache after changeResolvers still serve prior answers after an authoritative change because TTL has not expired.
Wrong TTL for cutoverTTL values are too high for a planned cutover, prolonging mixed old/new answers.

Related tools

digCLI DNS lookup utility for authoritative and recursive inspection of mail-related records.
nslookupInteractive DNS lookup utility commonly used for quick MX and TXT checks.
Google Admin Toolbox CheckMXGoogle Admin Toolbox Check MX for inbound mail DNS sanity checks.

Workflows

Open step-by-step: Verify DNS recordsVerify zone authority, MX/address records, and authentication-related TXT publications.

Continue Learning

Open step-by-step: Verify DNS recordsVerify zone authority, MX/address records, and authentication-related TXT publications.

Previousnslookup NextGoogle Admin Toolbox CheckMX

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