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Re: How badly have I screwed up?

From: Len Conrad
Date: Tuesday, January 1, 2002
Time: 5:13:21 am


>officemedic.net. 3600 A 12.39.138.249
>www.officemedic.net. 3600 A 12.39.138.249
>officemedic.net. 3600 NS ns1.officemedic.net.
>
>officemedic.net. 3600 NS ns2.officemedic.net.

ns2 is not responding.

>officemedic.net. 3600 MX 10 mail.officemedic.net.

... don't use CNAMEs for MX and NS hostnames, only canonical hostnames.

>officemedic.net. 3600 MX 20 mail2.officemedic.net.

you don't have an A record for mail2

I suggest the preceding two be changed to mx1.officemedic.net. and
mx2.officemedic.net.

then create names for pop, smtp, webmail, imap so you have functional
hostnames for various mail functions.

>bs1.officemedic.net. 3600 A 12.39.138.244
>ns2.officemedic.net. 3600 A 12.39.138.144
>mail.officemedic.net. 3600 A 12.39.138.244
>mail2.officemedic.net. 3600 A 12.39.138.244
>lists.officemedic.net. 3600 A 12.39.138.244
>ftp.officemedic.net. 3600 A 12.39.138.249
>
>
>An example of a virtual domain is officemedic.com:

that isn't a virutal domain, is it's the officemedic.com zone.

>officemedic.com. NS ns1.officemedic.net.
>
>officemedic.com. NS ns2.officemedic.net.
>
>officemedic.com. MX 10
>mail.officemedic.net.
>officemedic.com. MX 20
>mail2.officemedic.net.
>officemedic.com. A 12.39.138.249
>
>www.officemedic.com. A 12.39.138.249
>lists.officemedic.com. A 12.39.138.244
>mail.officemedic.com. CNAME mail.officemedic.net.
>ftp.officemedic.com. CNAME ftp.officemedic.net.
>
>
>Question 1: How badly have I screwed this up?

about typical. :)))

>Question 2: What should the reverse domain(s) look like?

hostname PTR hostname.

>Question 3: Why would EIMS all of a sudden be telling me "The following
>message could not be delivered to list@lists.officemedic.net because the
>host lists.officemedic.net does not exist"?

probably because EIMS is too dumb to resolve YOUR ERROR of a CNAME into the
(exising A record):

mgw1# dig lists.officemedic.net

; <<>> DiG 8.3 <<>> lists.officemedic.net
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;; lists.officemedic.net, type = A, class = IN

;; ANSWER SECTION:
lists.officemedic.net. 1H IN CNAME ns1.officemedic.net.
ns1.officemedic.net. 1H IN A 12.39.138.244

;; AUTHORITY SECTION:
officemedic.net. 1H IN NS ns2.officemedic.net.
officemedic.net. 1H IN NS ns1.officemedic.net.

I suggest in your virgin state of newness that you replace all CNAMEs with
A records.

Len





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