| What it does | Free network diagnostic tools for DNS, IP, email and SSL checks
| Free online network diagnostics and developer tools for engineers and IT professionals
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| Stage | Not given
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| Founded | Not given
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| Based in | IN
| BD
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| Pricing model | Freemium
| Free
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| Pricing | Free plan: All 41 tools with unlimited checks, 3 saved domains with daily monitoring, 7 days of history. Pro plan: $29/month for 50 domains, scans every 6 hours, email, Slack, Telegram and webhook alerts, 12 months of history and API access.
| Web Utility Suite: Free forever with complete access to all web-based diagnostic tools via browser, unlimited queries, no registration required. Programmatic API: Coming Soon.
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| Key features | - DNS Lookup - resolve A, AAAA, MX, TXT, NS, CNAME records
- Blacklist Checker - query 7 major DNS blocklists
- SSL/TLS Certificate Checker - verify certificate chain, expiry and protocol support
- Email Deliverability - check SPF, DKIM and DMARC records
- WHOIS Lookup - query domain registration details
- Reverse DNS (PTR) - check IP to hostname resolution
- Port Checker - test common HTTP/HTTPS ports
- BIMI Lookup - query BIMI TXT records
- Domain monitoring with automated scans
- Multi-channel alerts via email, Slack, Telegram and webhooks
| - IP Lookup with geolocation, ISP, and ASN detection
- DNS Lookup and query of multiple record types (A, AAAA, MX, CNAME, TXT, NS, SOA, CAA, PTR)
- Subnet Calculator for IPv4 CIDR blocks and network calculations
- Port Checker for TCP port connectivity testing
- SSL Certificate Checker with expiration and TLS protocol verification
- WHOIS Lookup for domain registration details
- JSON Formatter and Validator with tree view and syntax error detection
- Base64 Encoder and Decoder with file and image support
- cURL to Code Converter supporting 7 programming languages
- UUID v4 and UUID v7 generator with RFC 9562 compliance
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| What makes it different | - 41 tools all available free with unlimited checks
- Clear sourcing - every result shows its source and what was not tested
- Live DNS queries from edge servers via DNS-over-HTTPS
- Domain monitoring and alerts with affordable Pro plan at $29/month
| - 100% free with no account, email, or payment required
- Native Node.js execution for sub-second response times without queue delays
- Privacy-focused with zero query logging and strict SSRF security filters
- 28 tools in one place covering both network diagnostics and developer utilities
- All tools run in browser with no software installation or configuration required
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ▲ +1 (up) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 17 | 20 |
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| Referring domains (Majestic) | 6 | 4 |
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The Network Tools