🌐 Polaris Network Tools

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All Tools

Free network diagnostic tools — click any tool to get started.

Password
RandPass Generate memorable, pronounceable passwords. Configurable length, numbers, and symbols. WordPass Generate multi-word passphrase passwords using multi-language dictionaries.
Network
Ping Check if a host is up and measure HTTP latency. Port Test whether a TCP port is open or closed on any host. Web Headers Inspect HTTP status, TLS, HSTS, CSP, and security headers for any URL. IP Calculator Calculate network, broadcast, host range, and wildcard for any IPv4/IPv6 CIDR. QR Code Generate QR codes with configurable error correction level (L/M/Q/H). Client-side, nothing is sent to the server.
DNS
DNS Query DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) via Google and Cloudflare DoH. PTR Reverse DNS lookup — find the PTR record for an IPv4 address. Subdomains Enumerate known subdomains using certificate transparency logs. Mail Check MX, SPF, DMARC, DKIM, and BIMI records for any domain.
IP / ASN
GeoIP Find the country, city, ISP, and coordinates for any IP address. ASN Resolve the Autonomous System Number and organisation for an IP. BGP Look up BGP prefix and routing data for any IP using RIPE Stat. WHOIS Look up domain registration details and IP ownership via RDAP.
Security
Blacklist Check whether an IP is listed on major spam and abuse blacklists. Block IP Manually add an IP address to the server blocklist.

Ping

Check if a host is up and measure HTTP latency.

Port

Test whether a TCP port is open or closed on any host.

DNS

Query DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) via Google and Cloudflare DoH.

WHOIS

Look up domain registration details and IP ownership via RDAP.

GeoIP

Find the country, city, ISP, and coordinates for any IP address.

Mail

Check MX, SPF, DMARC, DKIM, and BIMI records for any domain.

Web Headers

Inspect HTTP status, TLS, HSTS, CSP, and security headers for any URL.

Subdomains

Enumerate known subdomains using certificate transparency logs.

ASN

Resolve the Autonomous System Number and organisation for an IP.

PTR

Reverse DNS lookup — find the PTR record for an IPv4 address.

Blacklist

Check whether an IP is listed on major spam and abuse blacklists.

BGP

Look up BGP prefix and routing data for any IP using RIPE Stat.

Block IP

Manually add an IP address to the server blocklist.

IP Calculator

Calculate network, broadcast, host range, and wildcard for any IPv4/IPv6 CIDR.

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RandPass

Generate memorable, pronounceable passwords. Configurable length, numbers, and symbols.

API:

WordPass

Generate multi-word passphrase passwords using multi-language dictionaries.

API:

QR Code

Generate QR codes with configurable error correction level (L/M/Q/H). Client-side, nothing is sent to the server.