Online DNS lookup Full DNS lookup, find all subdomains
Law of Hardware Compatibility: The probability of a given peripheral being compatible with a PC is inversely proportional to the immediate need for that peripheral.

PTR record lookup (Reverse DNS lookup).

Enter IP address or hostname to find the PTR record.
Please note that PTR record is commonly needed only for mailservers.
If you don't have a valid PTR record, you may not be able to send email to some sites.
If you don't know your mailserver ip address or FQDN, use our full DNS report tool first.

Find subdomains

This is a beta version of subdomain lookup tool, sorry for any bugs.
Subdomains lookup will be performed using DNS. If it fails, this tool will try to get information from search engines.
Enter domain name eg without WWW. to find subdomains.
If you are looking for subdomains of, subdomains lookup tool will return, and, also.
This service is for you. Please don't flood it.
Recent lookups >> subdomains

Nameservers found:
Name servers seems to be good, we will ask search engines:
Failed to connect to
Make sure that the target provided is a URL