PCheck is a free online service for checking website, server, and IP address availability. Provides geolocation data for domains and IPs from multiple databases and WHOIS.

Info helps you discover IP address or domain geolocation data: country, region, city, postal code, time zone, ISP provider, autonomous system (ASN).

DNS retrieves A, AAAA, NS, MX, PTR, TXT, SOA, and CNAME records with TTL (time-to-live) from name servers worldwide to check DNS server updates.

TCP port checks the ability to establish a TCP connection to the specified host port.

Ping allows you to check host availability, measure network latency, and packet loss from different servers worldwide.

HTTP checks website performance and availability from multiple countries and data centers.

SSL verifies SSL/TLS certificate installation correctness, validity period, trust chain, and provides security recommendations.

BGP provides professional routing analysis: autonomous system (AS) information, IP prefixes, BGP peering (Upstreams/Downstreams), Abuse contacts.

For accuracy, data is sourced from Check-Host.net, IP-API.com, IPGeolocation.io, RIPE STAT, and public DNS (Yandex DNS, Google DNS, Cloudflare, OpenDNS).