Domain Name Server Lookup
You can click diagnostics which will connect to the mail server verify reverse dns records perform a simple open relay check and measure response time performance.
Domain name server lookup. Mail exchanger lookup online or mx lookup online gives you a simple interface to get information about mail servers that are responsible for accepting emails within the specified domain. By default the dns lookup tool will return an ip address if you give it a name e g. Nameserver lookup or ns lookup is a tool for getting name server records of any domain name. Rather than making people type in an ip address whenever they want to access a certain web page like 38 97 225 253 websites are instead assigned easy to remember character strings called domains.
The dns lookup tool retrieves domain name records for the domain name that you provide. A domain is a user friendly naming system that allows people to easily navigate web servers and web pages. The dns lookup is done directly against the domain s authoritative name server so changes to dns records should show up instantly. You can use this to help diagnose problems and see if the problem originates from the domain name server if you cannot return a domain s records you ll know where to begin troubleshooting.
This tool returns only address a records. Similar to how all houses are registered with a governing authority all domain name registries maintain a record of information about every domain name purchased through them along with who owns it and the date till which it has been purchased. A whois domain lookup allows you to trace the ownership and tenure of a domain name. A whois ip search can also help you potentially determine the source of spam and other details related to a website.
Ns is a record type of dns and it is set up via a hosting provider. This test will list dns records for a domain in priority order. This information is stored in so called mx records in the domain name system dns. This ultratools dns tool performs an authoritative dns lookup and provides details about common resource record types for root server tld server and nameserver information.
The ultratools dns lookup provides a report on dns records for a specified domain or hostname. In addition to looking up a domain by ip whois lookup can also.