Free Tools for IT Administrators

RBL Lookup
   
Enter domain name or IP addresses to lookup in the RBLs

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PTR Check
Enter a domain name or IP address to lookup reverse PTR record

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Mail Server Configuration Check
Enter a domain name to perform a series of tests to determine if DNS, PTR, MX records are setup correctly and domain is not black listed in an RBL

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Mail Server Availibility Check
Enter domain name to check if the mail server is accepting e-mails and point out issues that could cause email delivery from the internet

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MX Check
Enter a domain name or IP address to lookup MX records

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SPF Check
Enter a domain name to lookup SPF record

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Name Servers Lookup
Enter domain name for DNS Servers lookup

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Whois Info
Enter a domain name to lookup registration information

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IP to Country lookup
Enter an IP address to find its country location

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Ping
Enter an IP address to use to see the ping response

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Tracert
Enter an IP address or hostname to use to see the trace command response

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IP v6 to IP v4 converter
Enter an IP v6 address to convert to IP v4 equivalent

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IP v4 to IP v6 converter
Enter an IP v4 address to convert to IP v6 equivalent

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Your IP : 38.107.179.224  

MX Check

Enter a domain name or IP address to lookup MX records

What is an MX Record?

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Mail Exchanger Record or more commonly known as MX record is an entry in the DNS server of your domain that tells other mail servers where your mail server is located. When someone sends an e-mail to a user that exists on your mail server from the internet, MX provides the location or IP address where to send that e-mail. MX record is the location of your mail server that you have provided to the outside world via the DNS.

Most mail servers generally have more than one MX record, meaning you could have more than one mail server setup to receive e-mails. Each MX record has a priority number assigned to it in the DNS. The MX record with lowest number has the highest priority and that is considered your primary MX record or your main mail server. The next lowest mx number has the next highest primary and so on. You generally have more than one mail server, one being the primary and the others as backups.

How to setup the MX record

If your ISP or domain name registrar is providing the DNS service, you can request them to set one up for you. If you manage your own DNS servers then you need to create the MX records in your DNS zone yourself.

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