CoreProxy Proxy Checker & Host Tools

A focused lab for checking proxy quality, DNS behavior, IPv6 support, host reachability, and IP intelligence - completely free, no account required.

Workflow7 tools
1

Paste inputs

Proxy, domain, IP, or host

2

Probe network

Live checks through CoreProxy APIs

3

Read signal

Latency, records, location, status

Featured Tool

Start here to check your proxies

Proxy Checker

Validate and test your proxy list in bulk. Checks connectivity, latency, and resolves the exit IP for each proxy.

StatusLatencyExit IP
Launch checker

Proxy Benchmark

New

Benchmark your rotating proxies with concurrent requests. Measures IP diversity, network classification, response times, and country distribution.

IP diversityOpen

Speed Test

Measure the response time of a proxy by sending sequential requests through it and calculating latency statistics.

Latency profileOpen

Proxy Checkers

4 tools

Everything you need to check your proxies.

Checker

Bulk validation

Benchmark

IP diversity

Speed

Latency profile

Host

Reachability

Network Tools

2 tools

Tools to check the info behind a domain or IP.

DNS

Record lookup

IPv6

AAAA support

IP Tools

1 tools

Get the info behind an IP address.

Location

Geo intelligence

The Best. Residential IPs.

Residential proxies

Access 65M+ real residential IPs across 195+ countries with unbeatable speeds, 99.9% uptime, and the most affordable prices on the market.