Error: ' + error.message + '
'; } this.loading = false; }, runDns() { const tool = this.dnsMode === 'records' ? 'dns' : this.dnsMode; this.runTool(tool); }, updateUrl(tool) { if (this.host) { const url = '/' + tool + '/' + encodeURIComponent(this.host); history.pushState({}, '', url); } }, copyUrl() { navigator.clipboard.writeText(window.location.href); this.urlCopied = true; setTimeout(() => this.urlCopied = false, 2000); } }">
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Fast Network Diagnostics

Enter a domain or IP above and choose a tool to get started.

/ focuses the search box. Esc clears it.

DNS Lookup

Query DNS records, trace resolution paths, or check global propagation.

HTTP Headers

See request and response headers, follow redirects.

Whois

Domain registration, IP ownership, ASN info.

SSL Certificate

Certificate validity, chain, expiration.

Email Security

SPF, DKIM, DMARC, MX analysis.

DNSApe v2.1 - Alpine.js Edition