Subject: Returned mail: DNS server responded with 3 (Domain Not Found)

From: VisNetic MailServer <[email-masked]>
Date: Wed, 14 Jun 2006 12:54:56 -0500

The original message was received at Wed, 14 Jun 2006 12:54:56 -0500

  ----- The following addresses had permanent fatal errors -----
<[email-masked]>

  ----- Transcript of session follows -----
... while issuing MX query to 66.117.96.6
554 DNS server responded with 3 (Domain Not Found)

Subject: [email-masked]
From: [email-masked]
To: [email-masked]
Date: Wed, 14 Jun 2006 12:50:04 -0500