On Wed, Jan 10, 2007 at 02:06:20PM +0000, Jon Dowland wrote: > On Thu, Jan 11, 2007 at 12:52:01AM +1100, Duncan McDonald > wrote: > > As I said I'm fairly new to system administration so I'm > > not sure what an MX record is. > > Domains are mapped to IP addresses via DNS records. DNS > records come in a variety of types: the most common being > the 'A' record, which specifies an address. But there's also > the MX record, which specifies a host that is responsible > for receiving mail for the domain in question. So, some > examples > > jon@ankh:~$ dig +short alcopop.org mx > 10 alcopop.org. > 20 despayre.org. > > That means if you want to send mail to my domain > alcopop.org, you should try to connect to host alcopop.org, > and failing that, despayre.org as a backup. > > jon@ankh:~$ dig +short greenmars.org mx > 0 smtp.secureserver.net. > 10 mailstore1.secureserver.net. > > Here, if you want to mail greenmars.org, you should connect > to smtp.secureserver.net. This is because I have the > greenmars.org domain "parked". Mail to this domain will not > reach me. okay, so I had to try this to learn and andrew@basement:~$ dig +short bigpond.com mx 10 extmail.bigpond.com. andrew@basement:~$ ping www.bigpond.com PING www.bigpond.com (144.135.18.32) 56(84) bytes of data. 64 bytes from 144.135.18.32: icmp_seq=1 ttl=233 time=212 ms cool, but... andrew@basement:~$ ping extmail.bigpond.com PING extmail.bigpond.com (144.140.80.13) 56(84) bytes of data. 64 bytes from extmail.bigpond.com (144.140.80.13): icmp_seq=1 ttl=234 time=364 ms that's a different IP. looks to me like the MX record is wrong. Am I doing that right? A
Attachment:
signature.asc
Description: Digital signature