MX records for dynamic IP?
Michelle Konzack
linux4michelle at tamay-dogan.net
Thu Apr 16 21:43:04 UTC 2009
Hello *,
I have a ZONE like
----[ code 'dig @ns1.xxxxxxxxxxx.com www.tamay-dogan.net ALL' ]--------
; <<>> DiG 9.5.1-P1 <<>> @ns1.xxxxxxxxxxx.com www.tamay-dogan.net ALL
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4451
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 5, ADDITIONAL: 4
;; QUESTION SECTION:
;www.tamay-dogan.net. IN A
;; ANSWER SECTION:
www.tamay-dogan.net. 60 IN CNAME tamay-dogan.homelinux.net.
tamay-dogan.homelinux.net. 60 IN A 78.43.17.74
;; AUTHORITY SECTION:
homelinux.net. 86400 IN NS ns1.dyndns.org.
homelinux.net. 86400 IN NS ns2.dyndns.org.
homelinux.net. 86400 IN NS ns3.dyndns.org.
homelinux.net. 86400 IN NS ns4.dyndns.org.
homelinux.net. 86400 IN NS ns5.dyndns.org.
;; ADDITIONAL SECTION:
ns2.dyndns.org. 81538 IN A 204.13.249.75
ns3.dyndns.org. 81538 IN A 208.78.69.75
ns4.dyndns.org. 81538 IN A 91.198.22.75
ns5.dyndns.org. 81538 IN A 203.62.195.75
;; Query time: 479 msec
;; SERVER: 62.xxx.xx.4#53(62.xxx.xx.4)
;; WHEN: Thu Apr 16 23:34:08 2009
;; MSG SIZE rcvd: 253
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47371
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;ALL. IN A
;; AUTHORITY SECTION:
. 8042 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2009041600 1800 900 604800 86400
;; Query time: 326 msec
;; SERVER: 62.xxx.xx.4#53(62.xxx.xx.4)
;; WHEN: Thu Apr 16 23:34:08 2009
;; MSG SIZE rcvd: 96
------------------------------------------------------------------------
plus
----[ command 'dig @ns1.xxxxxxxxxxx.com www.tamay-dogan.net MX' ]------
; <<>> DiG 9.5.1-P1 <<>> @ns1.xxxxxxxxxxx.com tamay-dogan.net MX
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40181
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 3
;; QUESTION SECTION:
;tamay-dogan.net. IN MX
;; ANSWER SECTION:
tamay-dogan.net. 60 IN MX 10 webmail.xxxxxxxxxxx.com.
;; AUTHORITY SECTION:
tamay-dogan.net. 60 IN NS ns1.xxxxxxxxxxx.com.
tamay-dogan.net. 60 IN NS ns2.xxxxxxxxxxx.com.
;; ADDITIONAL SECTION:
webmail.xxxxxxxxxxx.com. 17 IN A 62.xxx.xx.10
ns1.xxxxxxxxxxx.com. 17 IN A 62.xxx.xx.4
ns2.xxxxxxxxxxx.com. 17 IN A 62.xxx.xx.8
;; Query time: 139 msec
;; SERVER: 62.xxx.xx.4#53(62.xxx.xx.4)
;; WHEN: Thu Apr 16 23:30:50 2009
;; MSG SIZE rcvd: 156
------------------------------------------------------------------------
and it is working... (at least for the Webstuff since my ZONE is
currently pointing to my old hoster and I am waiting for the DNS record
change)
What I like to know is, whether I can use MX records like
60 IN MX 10 mail.tamay-dogan.net.
60 IN MX 20 webmail.xxxxxxxxxxx.com.
because <mail.tamay-dogan.net> is pointing to a CNAME record and NOT an
A record. It it works I would not bother my "helper" called xxxxxxxxxxx
with 3000 messages per day...
Thanks, Greetings and nice Day/Evening
Michelle Konzack
Systemadministrator
24V Electronic Engineer
Tamay Dogan Network
Debian GNU/Linux Consultant
--
Linux-User #280138 with the Linux Counter, http://counter.li.org/
##################### Debian GNU/Linux Consultant #####################
<http://www.tamay-dogan.net/> Michelle Konzack
<http://www.can4linux.org/> Apt. 917
<http://www.flexray4linux.org/> 50, rue de Soultz
Jabber linux4michelle at jabber.ccc.de 67100 Strasbourg/France
IRC #Debian (irc.icq.com) Tel. DE: +49 177 9351947
ICQ #328449886 Tel. FR: +33 6 61925193
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