dns

DNS.fish

Instant DNS Lookup Tool

Analyze domain health, verify propagation, and inspect DNS records (A, MX, NS, CNAME) in milliseconds with our developer-first tools.

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bolt50ms Avg. Response
publicGlobal Global Propagation
verified_userSecure Secure Lookup

Why Use Our DNS Tool?

Complete visibility into your domain's DNS configuration with tools built for speed, accuracy, and ease of use.

speed

Instant Propagation

Check how your DNS records are propagating across 25+ global locations instantly to ensure worldwide availability.

travel_explore

Record Inspection

Deep dive into A, AAAA, MX, NS, SOA, TXT, and CNAME records. Detect misconfigurations before they affect your users.

security

Security Audits

Identify potential vulnerabilities like dangling CNAMEs, SPF errors, or exposed zone transfers automatically.

history

History Tracking

View historical DNS changes to troubleshoot when and why a domain issue started occurring.

api

Developer API

Robust REST API for bulk lookups, monitoring integration, and automated reporting systems.

support

24/7 Monitoring

Set up alerts for DNS changes. Get notified immediately if your records change unexpectedly.

code DEVELOPER FIRST

API Integration

Build powerful domain analysis tools with our high-performance REST API. Get JSON responses for any record type in milliseconds.

  • check_circle99.99% Uptime SLA
  • check_circleRate limits up to 10k req/s
  • check_circleDetailed Documentation & SDKs
bash
curl -X GET \
  'https://dns.fish/v1/google.com?type=MX' \
  -H 'Authorization: Bearer YOUR_API_KEY'
# Response
{
  "domain": "google.com",
  "records": [
    {
      "type": "MX",
      "priority": 10,
      "value": "smtp.google.com",
      "ttl": 300
    }
  ]
}

Frequently Asked Questions

Common questions about DNS analysis and our platform capabilities.

What DNS record types are supported?expand_more
We support comprehensive lookups for all standard record types including A, AAAA, MX, CNAME, NS, TXT, SOA, PTR, CAA, and SRV records.
Is the API free for developers?expand_more
Yes, our API includes a generous free tier allowing up to 5,000 requests per month. For higher volumes, we offer scalable paid plans suitable for enterprise needs.
How does the global propagation check work?expand_more
We query your domain against DNS servers located in 25+ different geographic regions simultaneously. This allows you to verify if your recent DNS changes have fully propagated worldwide.
Can I monitor domains for changes?expand_more
Absolutely. You can set up alerts to receive notifications via Email, Slack, or Webhook immediately when any DNS record for your monitored domains changes.

Ready to Master Your DNS?

Join 50,000+ developers and webmasters who trust our tool for their daily DNS operations. Start checking for free today.