public dns service

[Marcel Kunath]

Hello,

btw I probably send the memory back in next two days. I put the old one in and
my server doesn't treat me as well anymore. It chokes up fairly often
now and stalls. Mostly when I use my workstation and I got few things
open the NFS seems to freeze. It has never done that before. Guess I
shouldn't touch things. I seem to have bad luck everytime.

Ok to the real topic. My friend just registered a domain
(www.registryweb.com) over in Australia. On the registration she put in
the two nameservers of granitecanyon.com the public dns service.

I been just over there reading a bit. It seems to be mostly straight forward. I
had a question about the MX record though.

There seems to be three general types of commands. I am not sure what
my friend will need.

Here is what granitecanyon.com example looked like:

; MX records

; These direct mail delivery agents, like sendmail,
; at hosts which have agreed to accept email for us.

; This assumes that we've arranged with tea.com and
; uu.net to provide this email service for us in
; advance for coffee.com.

; The token 'EXTREF' directs nslint to allow external references.
; The token 'GLOBALOK' directs nslint to allow global records.

; MX records for a host to be treated specially
navy.coffee.com.  IN  MX  10  mail1.tea.com.    ; EXTREF
navy.coffee.com.  IN  MX  20  mail2.tea.com.    ; EXTREF
navy.coffee.com.  IN  MX  100 mail.uu.net.  ; EXTREF

; global MX records for unspecified members of the zone
*.coffee.com.     IN  MX  10  mail1.coffee.com. ; GLOBALOK
*.coffee.com.     IN  MX  20  mail2.coffee.com. ; GLOBALOK
*.coffee.com.     IN  MX  100 mail.uu.net.  ; EXTREF GLOBALOK

; MX records for email addressed to the zone itself
coffee.com.       IN  MX  10  mail1.coffee.com.
coffee.com.       IN  MX  20  mail2.coffee.com.
coffee.com.       IN  MX  100 mail.uu.net.  ; EXTREF


What are the 10, 20, 100 numbers?

If my friend now runs a mailserver on machine mail.thedomain.com and likes it
to receive mail to @mail.thedomain.com and @thedomain.com which one of these
zone MX records should we use?

; MX records for email addressed to the zone itself???
thedomain.com.    IN  MX  10  mail.thedomain.com.

Thanks,

mk