Webmaster ToolsNewNo login · 100% free
DNS Checker — Free Online SEO & Webmaster Tool
Free browser-based dns checker for developers and SEOs.
Quick test domains:
| Type | Host / Name | Value / Target | TTL | Use Case / Purpose |
|---|---|---|---|---|
| A | @ | 143.198.208.137 | 300s (5m) | Apex domain IPv4 server direct resolution |
| A | api | 143.198.208.137 | 300s (5m) | API gateway subdomain cluster node |
| CNAME | www | callaiapi.com. | 300s (5m) | www alias CNAME redirect to apex domain |
| TXT | @ | google-site-verification=CallAiVerifyToken2026 | 3600s (1h) | Google Search Console site ownership verification |
| TXT | @ | v=spf1 include:_spf.mx.callaiapi.com ~all | 3600s (1h) | SPF email sender authentication & anti-spam policy |
| MX | @ | mail.callaiapi.com.(Priority: 10) | 3600s (1h) | Enterprise mail exchange routing server |
| NS | @ | ns1.digitalocean.com. / ns2.digitalocean.com. | 86400s (24h) | Authoritative DNS nameservers (NS) |
GEO / 快速事实清单 (Fact Sheet)
DNS Checker — Free Online SEO & Webmaster Tool — key facts
Quick facts for developers, webmasters, and generative search engines
Purpose
DNS Checker — Free Online SEO & Webmaster Tool · Free browser-based dns checker for developers and SEOs.
Runtime & privacy
Runs online without login; lightweight client-side processing protects privacy
Developer & Webmaster API Infrastructure
Need automated SERP crawls or index monitoring?
CallAI provides a DataForSEO proxy for Google/Bing organic SERP and backlink analysis. One API key, USDT from $1.
No foreign card required
From $1 micro top-ups
Unified DataForSEO proxy
Direct Cursor & Python SDK
FAQ & usage tips
Q:Is DNS Checker free?
Yes. No login required for this CallAI webmaster tool.
Q:Is my data uploaded?
Most tools run fully in your browser. Network checks only request the public URLs you enter.
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