ns_resp: TPC truncated

[Fabiola Lineberger]

Thank you for your answers.
Fabiola

On Tue, 16 Oct 2001 Mark.Andrews at isc.org wrote:

> 
> > Thank you for your answer, but I still do not understand what is causing  
> > those entries in my logs. Perhaps I'm missing the point.
> > Thanks,
> > Fabiola
> 
> 	Some client is trying to map an address to a name.  Your
> 	nameserver tries to get the answers from the nameservers
> 	for the zone but can't because the answer is too big.
> 	The nameservers for the zone have set "tc" indicating that
> 	the answer is incomplete even after falling back from UDP
> 	to TCP.
> 
> 	Mark
> > 
> > On Tue, 16 Oct 2001 Mark_Andrews at isc.org wrote:
> > 
> > > 
> > > > 
> > > > Hi all,
> > > > I understand that this error means that the query or look up can't fit on
> > > > a 512-byte UDP packet (or TCP). I'm trying to find out what event cause
> > > > the syslog entry. Was it actually a query, a look up or something else.
> > > > None of the IPs logged on my syslog belong to us.
> > > > My name server logging this is ns2.infi.net.
> > > > 
> > > > Here are the entries from my daemon.log:
> > > > 
> > > > 
> > > > Oct 15 02:53:03 ns2.infi.net named[13517]: [ID 295310 daemon.error]
> > > > ns_resp: TCP truncated: "209.170.22.207.in-addr.arpa
> > > > " IN PTR from [207.22.170.4].53
> > > > Oct 15 06:16:00 ns2.infi.net named[13517]: [ID 295310 daemon.error]
> > > > ns_resp: TCP truncated: "110.40.176.209.in-addr.arpa
> > > > " IN PTR from [63.160.48.1].53
> > > > Oct 15 06:16:00 ns2.infi.net named[13517]: [ID 295310 daemon.error]
> > > > ns_resp: TCP truncated: "110.40.176.209.in-addr.arpa
> > > > " IN PTR from [209.176.40.2].53
> > > > Oct 15 12:10:24 ns2.infi.net named[13517]: [ID 295310 daemon.error]
> > > > ns_resp: TCP truncated: "6.45.217.209.in-addr.arpa"
> > > > IN PTR from [204.215.60.2].53
> > > > Oct 15 19:07:17 ns2.infi.net named[13517]: [ID 295310 daemon.error]
> > > > ns_resp: TCP truncated: "88.224.148.63.in-addr.arpa"
> > > >  IN PTR from [209.54.227.5].53
> > > > 
> > > > TIA
> > > > Fabiola
> > > > 
> > > > 
> > > 
> > > 	Stupid web host providers that seem to think that every
> > > 	virtual service provided by the box requires a PTR record.
> > > 	On top of that they keep adding records past the ability
> > > 	of the nameserver implementation / protocol to send the
> > > 	records back.  This is a total waste of resources, no
> > > 	application looks past the first PTR record.
> > > 
> > > 	Mark
> > > 
> > > ; <<>> DiG 8.3 <<>> ptr 88.224.148.63.in-addr.arpa @209.54.227.5 
> > > ; (1 server found)
> > > ;; res options: init recurs defnam dnsrch
> > > ;; got answer:
> > > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
> > > ;; flags: qr aa tc rd ra; QUERY: 1, ANSWER: 549, AUTHORITY: 0, ADDITIONAL: 
> > 0
> > > ;; QUERY SECTION:
> > > ;;	88.224.148.63.in-addr.arpa, type = PTR, class = IN
> > > 
> > > ;; ANSWER SECTION:
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  raq5.ndmc.net.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  www.remoteonline.net.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  mail.remoteonline.net.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  www.stablesbar.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  mail.stablesbar.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  kimcollins.net.
> > > [snipped]
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  www.journeyseminars.org.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  mail.journeyseminars.org.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  journeyseminars.org.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  www.alphafirstinc.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  alphafirstinc.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  mail.alphafirstinc.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  www.africanlifestyle.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  mail.africanlifestyle.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  africanlifestyle.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  www.icebergconsulting.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  mail.icebergconsulting.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  icebergconsulting.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  www.namoguy.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  mail.namoguy.com.
> > > 88.224.148.63.in-addr.arpa.  1H IN PTR  namoguy.com.
> > > 
> > > ;; Total query time: 3871 msec
> > > ;; FROM: drugs.dv.isc.org to SERVER: 209.54.227.5
> > > ;; WHEN: Tue Oct 16 11:56:31 2001
> > > ;; MSG SIZE  sent: 44  rcvd: 16349
> > > 
> > > --
> > > Mark Andrews, Internet Software Consortium
> > > 1 Seymour St., Dundas Valley, NSW 2117, Australia
> > > PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org
> > > 
> > 
> > 
> --
> Mark Andrews, Internet Software Consortium
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org
>