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- Xref: sparky comp.protocols.tcp-ip.domains:558 comp.protocols.tcp-ip:3768
- Path: sparky!uunet!cs.utexas.edu!asuvax!asuacad!idsak
- Organization: Arizona State University
- Date: Tuesday, 21 Jul 1992 09:03:43 MST
- From: Shahjehan Khatri <IDSAK@ASUACAD.BITNET>
- Message-ID: <92203.090343IDSAK@ASUACAD.BITNET>
- Newsgroups: comp.protocols.tcp-ip.domains,comp.protocols.tcp-ip
- Subject: Intermittent "Host Unknown" problem
- Lines: 53
-
- We're getting problems such as the following, intermittently:
-
- VTVM1.CC.VT.EDU unable to deliver following mail to recipient(s):
- <USER@ospnov.vprc.asu.edu>
- 550 Host 'ospnov.vprc.asu.edu' Unknown
-
- I found out the following by using Multinet NSLookup on one of our VAXes:
-
- > ospnov.vprc.asu.edu
- Server: dcssvx.cc.vt.edu
- Address: 128.173.4.247
-
- Non-authoritative answer:
- ospnov.vprc.asu.edu preference = 10, mail exchanger = cncsnov.INRE.ASU.EDU
-
- Authoritative answers can be found from:
- ASU.edu nameserver = ASUVAX.EAS.ASU.EDU
- ASU.edu nameserver = CCNUCB.COLORADO.EDU
- cncsnov.INRE.ASU.EDU internet address = 129.219.9.85
- ASUVAX.EAS.ASU.EDU internet address = 129.219.30.5
- CCNUCB.COLORADO.EDU internet address = 128.138.238.34
-
- However, yesterday morning this server was saying that it couldn't find
- ospnov, but it found facmgt.inre.asu.edu alright. The later domain is an
- identical entry in the asuvax server, as shown below:
-
- > server asuvax
- Default Server: asuvax.ASU.EDU
- Address: 129.219.30.5
-
- > ospnov.vprc.asu.edu
- Server: asuvax.ASU.EDU
- Address: 129.219.30.5
-
- ospnov.vprc.asu.edu preference = 10, mail exchanger = cncsnov.INRE.ASU.EDU
- cncsnov.INRE.ASU.EDU internet address = 129.219.9.85
- > facmgt.inre.asu.edu
- Server: asuvax.ASU.EDU
- Address: 129.219.30.5
-
- facmgt.inre.asu.edu preference = 10, mail exchanger = cncsnov.INRE.ASU.EDU
- cncsnov.INRE.ASU.EDU internet address = 129.219.9.85
-
- Please note that dcssvx.cc.vt.edu is not the only server that can't find
- ospnov. every now and then. Yuma.acns.colostate.edu, for instance, has run
- into the same difficulty. Actually, sometimes dcssvx. can find ospnov. but
- yuma. cannot.
-
- Any replies will be greatly appreciated.
-
- Khatri@PCMAIL.INRE.ASU.EDU
- IDSAK@ASUACAD
-
-