Subject: A Strange Problem
To: None <tech-net@netbsd.org>
From: Seth Kurtzberg <seth@cql.com>
List: tech-net
Date: 09/25/2001 19:51:16
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Hello all,
First, thanks for the help with getting multicasting working.
I'm seeing a problem with NetBSD that I don't really have a good understand
of. Here is what happens. For one particular hostname, NetBSD is unable to
resolve the host. (I've attached the output of host -d on the NetBSD
machine.) What is strange is that other hosts are able to resolve the name
(Solaris, Linux, and W2K). I've tried pointing a two different DNS servers,
one running Solaris and the other running Linux, with the same results; that
is, for both DNS servers, NetBSD can't resolve the name and the other hosts
can.
However, for other names I've tried, the name resolves on NetBSD exactly as
it does on the other hosts. (Which probably just means that I haven't found
other names with the same characteristics, whatever the relevant
characteristics may be.)
A traceroute command run on the NetBSD machine (with the IP address) works,
and the route is identical to the routes from the Solaris, Linux, and W2K
machines.
Any suggestions will be appreciated. The attached output is long but, as it
retries several times before giving up, the relevant part is reasonably
short.
Seth Kurtzberg
Machine Independent Software
voice: 1-480-661-1849
fax: 1-480-614-8909
email: seth@cql.com
Pager 1-888-605-9296 or 6059296@skytel.com
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<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 5.50.4611.1300" name=3DGENERATOR></HEAD>
<BODY>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial size=3D2>Hello=20
all,</FONT></SPAN></DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial size=3D2>First, =
thanks for=20
the help with getting multicasting working. </FONT></SPAN></DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial size=3D2>I'm =
seeing a problem=20
with NetBSD that I don't really have a good understand of. Here is =
what=20
happens. For one particular hostname, NetBSD is unable to resolve =
the=20
host. (I've attached the output of host -d on the NetBSD =
machine.) =20
What is strange is that other hosts are able to resolve the name =
(Solaris,=20
Linux, and W2K). I've tried pointing a two different DNS servers, =
one=20
running Solaris and the other running Linux, with the same results; that =
is, for=20
both DNS servers, NetBSD can't resolve the name and the other hosts=20
can.</FONT></SPAN></DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial =
size=3D2>However, for other=20
names I've tried, the name resolves on NetBSD exactly as it does on the =
other=20
hosts. (Which probably just means that I haven't found other names =
with=20
the same characteristics, whatever the relevant characteristics may=20
be.)</FONT></SPAN></DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial size=3D2>A =
traceroute command=20
run on the NetBSD machine (with the IP address) works, and the route is=20
identical to the routes from the Solaris, Linux, and W2K=20
machines.</FONT></SPAN></DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D474373702-26092001><FONT face=3DArial size=3D2>Any =
suggestions will=20
be appreciated. The attached output is long but, as it retries =
several=20
times before giving up, the relevant part is reasonably=20
short.</FONT></SPAN></DIV>
<P><FONT size=3D2>Seth Kurtzberg<BR>Machine Independent =
Software<BR>voice: =20
1-480-661-1849<BR>fax: 1-480-614-8909<BR>email: =20
seth@cql.com<BR>Pager 1-888-605-9296 or 6059296@skytel.com</FONT> =
</P>
<DIV> </DIV></BODY></HTML>
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Content-Type: application/octet-stream;
name="DnsOutput1"
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filename="DnsOutput1"
> host -d ns1.fp.sandpiper.com 63.137.32.20=0A=
Using domain server 63.137.32.20:=0A=
;; res_nmkquery(QUERY, ns1.fp.sandpiper.com, IN, A)=0A=
;; res_send()=0A=
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39935=0A=
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D A, class =3D IN=0A=
;; Querying server (# 1) address =3D 63.137.32.20=0A=
;; new DG socket=0A=
;; got answer:=0A=
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39935=0A=
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D A, class =3D IN=0A=
sandpiper.com. 1h58m56s IN SOA wilbur.sandpiper.net. =
hostmaster.sandpiper.net. (=0A=
91 ; serial=0A=
30M ; refresh=0A=
30M ; retry=0A=
1D ; expiry=0A=
2H ) ; minimum=0A=
=0A=
rcode =3D 3 (Non-existent domain), ancount=3D0=0A=
;; res_nmkquery(QUERY, ns1.fp.sandpiper.com, IN, MX)=0A=
;; res_send()=0A=
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39936=0A=
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D MX, class =3D IN=0A=
;; Querying server (# 1) address =3D 63.137.32.20=0A=
;; new DG socket=0A=
;; got answer:=0A=
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39936=0A=
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D MX, class =3D IN=0A=
sandpiper.com. 1h58m56s IN SOA wilbur.sandpiper.net. =
hostmaster.sandpiper.net. (=0A=
91 ; serial=0A=
30M ; refresh=0A=
30M ; retry=0A=
1D ; expiry=0A=
2H ) ; minimum=0A=
=0A=
rcode =3D 3 (Non-existent domain), ancount=3D0=0A=
;; res_nmkquery(QUERY, ns1.fp.sandpiper.com., IN, A)=0A=
;; res_send()=0A=
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39937=0A=
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D A, class =3D IN=0A=
;; Querying server (# 1) address =3D 63.137.32.20=0A=
;; new DG socket=0A=
;; got answer:=0A=
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39937=0A=
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D A, class =3D IN=0A=
sandpiper.com. 1h58m56s IN SOA wilbur.sandpiper.net. =
hostmaster.sandpiper.net. (=0A=
91 ; serial=0A=
30M ; refresh=0A=
30M ; retry=0A=
1D ; expiry=0A=
2H ) ; minimum=0A=
=0A=
rcode =3D 3 (Non-existent domain), ancount=3D0=0A=
;; res_nmkquery(QUERY, ns1.fp.sandpiper.com., IN, MX)=0A=
;; res_send()=0A=
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39938=0A=
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D MX, class =3D IN=0A=
;; Querying server (# 1) address =3D 63.137.32.20=0A=
;; new DG socket=0A=
;; got answer:=0A=
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39938=0A=
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D MX, class =3D IN=0A=
sandpiper.com. 1h58m56s IN SOA wilbur.sandpiper.net. =
hostmaster.sandpiper.net. (=0A=
91 ; serial=0A=
30M ; refresh=0A=
30M ; retry=0A=
1D ; expiry=0A=
2H ) ; minimum=0A=
=0A=
rcode =3D 3 (Non-existent domain), ancount=3D0=0A=
;; res_nmkquery(QUERY, ns1.fp.sandpiper.com, IN, A)=0A=
;; res_send()=0A=
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39939=0A=
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D A, class =3D IN=0A=
;; Querying server (# 1) address =3D 63.137.32.20=0A=
;; new DG socket=0A=
;; got answer:=0A=
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39939=0A=
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D A, class =3D IN=0A=
sandpiper.com. 1h58m56s IN SOA wilbur.sandpiper.net. =
hostmaster.sandpiper.net. (=0A=
91 ; serial=0A=
30M ; refresh=0A=
30M ; retry=0A=
1D ; expiry=0A=
2H ) ; minimum=0A=
=0A=
rcode =3D 3 (Non-existent domain), ancount=3D0=0A=
;; res_nmkquery(QUERY, ns1.fp.sandpiper.com, IN, MX)=0A=
;; res_send()=0A=
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39940=0A=
;; flags: rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D MX, class =3D IN=0A=
;; Querying server (# 1) address =3D 63.137.32.20=0A=
;; new DG socket=0A=
;; got answer:=0A=
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39940=0A=
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0=0A=
;; ns1.fp.sandpiper.com, type =3D MX, class =3D IN=0A=
sandpiper.com. 1h58m56s IN SOA wilbur.sandpiper.net. =
hostmaster.sandpiper.net. (=0A=
91 ; serial=0A=
30M ; refresh=0A=
30M ; retry=0A=
1D ; expiry=0A=
2H ) ; minimum=0A=
=0A=
rcode =3D 3 (Non-existent domain), ancount=3D0=0A=
Host not found.=0A=
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