QAmcp

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Directory / DNSai Free DNS Tools

DNSai Free DNS Tools

Q: Is DNSai Free DNS Tools MCP server safe?

QAmcp's test on 2 Nov 2026: None of the hidden-instruction wordings we know were found in its tool descriptions. Its error messages showed no secrets or internal details. 10 of its 11 tools are labeled read-only; the others may change or send things. Overall it scored 86/100 on 2 Nov 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by dnsai.com · https://mcp.dnsai.com/mcp

Free live DNS, SPF/DMARC/MX, DKIM and WHOIS lookups for any domain. No key needed to start.

11 tools✓ no account neededPricing: on their site

See pricing →Visit website

86 /100

PASS · WITH NOTES

12 of 12 checks · 2 Nov 2026

Is DNSai Free DNS Tools MCP server safe?

None of the hidden-instruction wordings we know were found in its tool descriptions.
Its error messages showed no secrets or internal details.
10 of its 11 tools are labeled read-only; the others may change or send things.
Overall it scored 86/100 on 2 Nov 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What it can do

11 tools, in the server's own words.

dns_lookupread-only

Look up live DNS records for ONE domain.

email_security_checkread-only

One call answers "is this domain's email properly secured?" — checks MX, SPF, DMARC and mail-gateway/provider detection for ONE domain.

whois_lookupread-only

WHOIS / RDAP registration data for ONE domain or IP — registrar, status, creation/expiry, name servers.

spf_analyzeread-only

Analyze a domain's SPF record for ONE domain — the include tree and the RFC 10-DNS-lookup-limit verdict.

dmarc_checkread-only

Fetch and parse the DMARC policy for ONE domain — presence, p= policy, and the raw record.

validateread-only

Validate the SYNTAX of an SPF or DMARC record string (no DNS lookup) — returns valid/invalid, a score, a letter grade, and a parsed breakdown.

dkim_discoverread-only

Discover the DKIM signing keys published for ONE domain.

blacklist_checkread-only

Check whether ONE domain or IP is listed on major email blacklists / RBLs (Spamhaus, Barracuda, SpamCop, SORBS, UCEPROTECT and more).

searchread-only

Search DNSai for a domain.

fetchread-only

Fetch a DNSai result document by id (from search).

request_api_key

Get a FREE DNSai API key that raises the daily limit from the small shared anonymous allowance to 100 lookups/day.

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Tools work with good inputs
1 warning
- !search: Answered, but it gives the exact same answer to bad input as to good input, so it may be ignoring what it is sent
- –email_security_check: Not run: labeled read-only, but its name starts with "email", which usually means it changes something. Skipped to be safe: if it only reads, a clearer name helps AI apps too, or test again with --owner
- –request_api_key: Not run: labeled as changing data
- and 8 more
note
!
Bad inputs give a clean error
3 warnings
- !spf_analyze: Accepted wrong type for "domain" without complaining
- !search: Accepted missing required input "query" without complaining
- !search: Accepted wrong type for "query" without complaining
- and 15 more
note
!
Follows MCP best practices (not scored yet)
1 tip (not scored)
- !Very common tool names: search, fetch. Next to other servers' tools the AI may mix them up; a short prefix helps (like "github_search" instead of "search").
note
✓
ConnectsConnected in 181 ms
pass
✓
Lists its toolsFound 11 tools
pass
✓
Every tool is describedAll 11 tools and their inputs are described
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.
pass
✓
Tools work togethersearch → fetch: fetch found what search returned (id = "doc:about")
pass
✓
Fast enough
All good
- ✓Connecting took 181 ms
- ✓Listing tools took 28 ms
- ✓Average tool answer: 42 ms
- ✓validate: Slowest tool: validate (139 ms)
pass
✓
No secrets leakedChecked 24 error messages: no secrets or internal details
pass

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://mcp.dnsai.com/mcp

Show this score on GitHub

Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.

[![QAmcp score](https://qamcp.dev/s/com-dnsai-dnsai-free.svg)](https://qamcp.dev/s/com-dnsai-dnsai-free.html)

Score over time

2 Nov 202686

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use DNSai Free DNS Tools, signed in with GitHub, one per person. Reviews never change the score.

Is this your server? Get an alert the moment it breaks.

QAmcp Monitor (coming soon) tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. You'll also be able to claim this page and get a verified owner mark. Founding price: $19/month for life for the first 50 teams.

Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works