Please tell me what this non-delivery report (NDR) means

----- Forwarded Message ----
From: "MAILER-DAEMON@n2.bullet.mail.gq1.yahoo.com" <MAILER-DAEMON@n2.bullet.mail.gq1.yahoo.com>
To: annagikas@att.net
Sent: Mon, April 26, 2010 8:15:00 AM
Subject: failure notice

Sorry, we were unable to deliver your message to the following address.

<bbernasconi@pertria.com>:
No MX or A records for pertria.com

--- Below this line is a copy of the message.

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Date: Mon, 26 Apr 2010 08:15:00 -0700 (PDT)
From: Anna Gikas <annagikas@att.net>
To: bbernasconi@pertria.com
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="0-1710748608-1272294900=:94277"

--0-1710748608-1272294900=:94277
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable

=0A=0A=0A=0A=0A=0Awere you able to arrange for Dia's visit?=A0 I know Doug =
is here I saw him at his driveway yesterday.=A0 I would love for Dia to see=
it.
--0-1710748608-1272294900=:94277
Content-Type: text/html; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable

<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:Courier New, courier, monaco, monospace,=
sans-serif;font-size:12pt"><DIV>&nbsp;</DIV>=0A<DIV>&nbsp;</DIV>=0A<DIV>&n=
bsp;</DIV>=0A<DIV>&nbsp;</DIV>=0A<DIV>&nbsp;</DIV>=0A<DIV>were you able to =
arrange for Dia's visit?&nbsp; I know Doug is here I saw him at his drivewa=
y yesterday.&nbsp; I would love for Dia to see it.</DIV></div></body></html=
>
--0-1710748608-1272294900=:94277--

IT GuyNetwork EngineerAsked:
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Alan HardistyCo-OwnerCommented:
Whoever has the domain Petria.com has not set it up properly and has added a FQDN instead of an IP Address for their MX record (mail server).
Their record is:
Your 1 MX record is:

10 smtp3.planetmagpie.com. [TTL=10800] IP=208.156.112.243 (No Glue) [TTL=3600] [US]
The relevant part is the (No Glue) - which translates to - No IP Address.
They need to change their DNS records to make their MX record point to an A record not a CNAME record.
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Dave BaldwinFixer of ProblemsCommented:
pertria.com will probably fix it soon since they're a real estate firm with a LOT of email addresses.  You might want to call your friend on the phone in the mean time.
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