Open port checker

Hostname lookup Find the hostname (reverse DNS / PTR) of an IP address. IP location Locate an IP address: country, city, ISP and map. MX lookup List the mail servers of a domain. Nameserver lookup Find the DNS servers and SOA record of a domain. Website IP Find the IPv4 and IPv6 addresses of a website. Website location See in which country and data centre a website is hosted. DNS records Inspect A, AAAA, MX, NS, TXT, CNAME, SOA and SRV records, plus SPF and DMARC. Domain WHOIS Registrar, registration and expiry dates, nameservers and health of a domain.