Find domains sharing the same IP address or subnet.Enter domain name, IP address (IPv4 and IPv6) or subnet.
Find domains sharing the same mail server (MX record).Enter mail server, domain name, IP address (IPv4 and IPv6) or subnet. Example: tcpiputils.com or alt1.aspmx.l.google.com
Find domains sharing the same name server.
Lookup historical IP, DNS, MX and SPF records of a domain name.Enter domain name. Example: tcpiputils.com
Find domains hosted in the past on a particular IP address.Enter hostname or IP address (IPv4 and IPv6). Example: tcpiputils.com or 126.96.36.199
Find historical connected domains to a mail server (MX record).Enter mail server. Example: alt1.aspmx.l.google.com
Find registered domains based on one or more keywords.
Find registered domain typos and misspellings for a domain.
Find whois information related to a domain, IP address or AS number.Enter domain name, IP address (IPv4 and IPv6) or AS number. Example: google.com, 188.8.131.52 or AS15169
Query the DNS server on all possible records.Enter hostname or IP address (IPv4 and IPv6).
Check an IP address against 100 DNS based anti-spam databases.Enter hostname or IPv4 address.
Test an email address for successful delivery.Enter valid email address. Example: email@example.com
Lookup and parse the Sender Policy Framework (SPF) records of a domain.Enter domain name. Example tcpiputils.com
Show the geographical location for IP addressess.Enter hostname or IP address (IPv4 and IPv6).
Lookup all details about a MAC address.Enter MAC Address or network vendor. Example: 00-0C-29-9B-31-13 or 3com
Perform a ping command against an internet host.
Perform a port scan against your own IP address.This tool can only run against your own IP address.
See what is behind every tiny URL.Enter short URL. Example: tinyurl.com/kavpqx6 or goo.gl/VmSenH
Perform a traceroute command against an internet host.Enter hostname or IP address (IPv4 and IPv6).
|Your public IP Address|
Information about your public IP Address like reverse dns, hosting info and whois data.
|my IP Address for Windows 8.1 & 10|
This app shows detailed information about your IP Address, your domain and your provider.