Significance of @ symbol in soa record.

[Kevin Darcy]

colors wrote:

> I am trying to learn about the significance of the '@' symbol at the start
> of the line where the soa record is contained.
>
> Upon looking for examples and explanation, I have found two conventions:
>
> The @ symbol
> The domain name (for example, domain.com.)
>
> The references using the domain name seem to be older examples, whereas the
> @ symbol I seem to be finding in newer examples.
>
> I am also wondering why one might want to have a ttl for a zone's soa record
> set at 60 seconds..?

@ is just shorthand for the zone origin. Semantically, they're the same thing.


- Kevin