ironport.com MX records

MX Mail server
5m
mx1.sco.cisco.com 10 Primary
mx3.sco.cisco.com 10 Primary
mx4.sco.cisco.com 10 Primary
mx2.sco.cisco.com 10 Primary

Question and response

Question

dig ironport.com. MX

Answer

ironport.com. 300 MX 10 mx1.sco.cisco.com. ironport.com. 300 MX 10 mx3.sco.cisco.com. ironport.com. 300 MX 10 mx4.sco.cisco.com. ironport.com. 300 MX 10 mx2.sco.cisco.com.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0