On 2/23/11 7:40 AM, Henry | Security Division wrote:
Hi Per,
you are right. I´d just like to check for missing mx records.
Here is a draft RFC about that topic "A NULL MX Resource Record means
"I never accept email""
http://tools.ietf.org/html/draft-delany-nullmx-00
read the rfc again. missing mx is not NULL mx.
The NULL MX Resource Record
To indicate that a domain never accepts email, it advertises a
solitary MX RR with a RDATA section consisting of an arbitrary
preference number 0, and a dot terminated null string as the mail
exchanger domain, to denote that there exists no mail exchanger for a
domain.
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