Dot . in DNS Zone

Dot ‘.” sign is used in DNS zone to provide FQDN (Fully Qualified Domain Name). What it means?

This means that if you have got specified $ORIGIN in your zone (your domain) this domain will not be added to the string chain.

 

For instance:

Your origin is mydomain.com

emails in MX mydomain.com.

is equal to emails.mydomain.com. in MX mydomain.com.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s