.TH dnsmx 1

.SH NAME
dnsmx \- prints the MX records of fqdn

.SH SYNOPSIS
.B dnsmx
.I fqdn

.SH DESCRIPTION

.B dnsmx
prints the MX records of
.IR fqdn .
If there are no MX records,
.B dnsmx
prints an artificial MX record,
simulating the behavior of MTAs.

Normally 
.B dnsmx
exits 0.
If 
.B dnsmx
encounters a temporary problem
that prevents it from determining the list of MX records,
it prints an error message and exits 111.

.SH SEE ALSO
dnsip(1),
dnsname(1),
dnsipq(1),
dnstxt(1),
dnsqr(1),
dnsq(1),
dnstrace(1)

http://cr.yp.to/djbdns.html