On Wed, 12 Aug 1992 10:05:35 ECT, Martin Raish <MRAISH@BINGVMB> wrote:
>I've seen lots of hosts that were "unknown" or "misspelled,"
>but what's an illegal one?
>----------------------- Message in error (39 lines) -------------------------
>From: PMDF Mail Server <[log in to unmask]>
!!!!!!!
According to the tables in use by MAILER@BINGVMB (actually, in use by
most BITNET sites), the server SMTPUSER@UTAHCCA is the BSMTP-gateway
to the UVCC.EDU domain. So, the E-mail will travel over BITNET to this
gateway, and then will be delivered to the Internet address.
>Subject: Undeliverable mail: SMTP delivery failure
!!!!!!!!!!!!!!!!!!!!!
The SMTP server could not resolve the name 'CC.UVCC.EDU'
to an Internet address.
>To: [log in to unmask]
>Message-id: <[log in to unmask]>
!!!!!!!!!!!
The Internet "alias" for the BITNET node named 'UTAHCCA' ???
(It's not important to this analysis.)
>X-Envelope-to: [log in to unmask]
!!!!!!!!!!!!!!!!!!!
BITNET host which sent the original, i.e., problem-causing, mail.
>The message could not be delivered to:
>Addressee: [log in to unmask]
>Reason: Illegal host/domain name found.
Let's use the NSLOOKUP utility to examine all the data-records held by one of
the name-servers for the 'UVCC.EDU' (Utah Valley Community College) domain.
Especially, note that the user 'MILLERJA' is (allegedly) on the 'CC' machine.
! [uvmain.uvcc.edu]
! Host or domain name Internet address
! uvcc server = uvmain.uvcc.edu
! uvcc server = uvlib.uvcc.edu
! uvcc server = cc.usu.edu
! uvcc server = ns.utah.edu
! uvcc server = ccnucb.colorado.edu
!
! liblat 192.107.180.130
! uvlib 192.107.180.131
! jan 192.107.180.132
! Ariel 192.107.180.133
!
! gw-provo 192.107.181.10
! lib-provo 192.107.181.18
! lib2-provo 192.107.181.19
! park 192.107.181.25
!
! uvmain 192.80.27.1
! uvadm 192.80.27.2
! uvlee 192.80.27.4
! willy 192.80.27.5
! uj650 192.80.27.6
! uv4wd 192.80.27.7
! uvmax 192.80.27.8
! uvprnt 192.80.27.20
! uvlp1 192.80.27.21
! scout 192.80.27.27
! adlat0 192.80.27.30
! adlat1 192.80.27.31
! adlat2 192.80.27.32
! adlat3 192.80.27.33
! sec 192.80.27.50
! rll 192.80.27.51
! ctcman 192.80.27.52
! ctcast 192.80.27.53
! paula 192.80.27.54
! rvac 192.80.27.55
! rm4f 192.80.27.56
! coord 192.80.27.57
! vernsPC 192.80.27.100
! uvgw 192.80.27.126
Note that the 'CC' machine is **only** listed within the 'USU.EDU'
(Utah State University) domain. I also checked, and there are **no**
"nickname" (CNAME) records for the 'CC.UVCC.EDU' host.
This host should, but does **not**, appear in the '192.<something>'
part of the list. Therefore, it is an "illegal" hostname.
Late-breaking news! Just prior to sending this note, I re-issued the query
to the name-server. According to this query, the host 'CC.UVCC.EDU'
is a nickname for the 'UVMAIN.UVCC.EDU' host. So, between the first failure,
and a few minutes ago, the problem has been corrected!
The system-administrator at UVCC (Vern Cole <[log in to unmask]>)
must have updated the nameserver database! Thanks, Vern!!
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