Wildcard depth on NAPTR records
Ejay Hire
ejay.hire at isdn.net
Thu Feb 2 22:05:04 UTC 2006
Hello all.
I have a unusual problem. We use DNS for telephone routing.
I have a dns zone that contains NAPTR records, and have run
in to the following problem.
If I query my ns4, I get the proper response. If I query my
other server, I get a NXDOMAIN response. NS4 is the master,
the other server is a slave. Replication is working
properly, and both servers answer properly for other
queries, in the same zone file.
I'm querying for 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net
The wildcard entry that should match it in the zone file is
*.1 IN NAPTR 100 11 "u" "E2U+SIP"
"!^\\+*(.*)$!sip:\\1 at telco01.isdn.net!".
But when I do the following I get different results... (on
ns4)
host -t NAPTR 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net
5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net NAPTR 100 11 "u"
"E2U+SIP" "!^\\+*(.*)$!sip:\\1 at telco01.isdn.net!" .
host -t NAPTR 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net
telco07.isdn.net
Using domain server:
Name: telco07.isdn.net
Address: 207.65.69.254#53
Aliases:
Host 5.5.5.5.5.5.5.5.6.8.1.e164-pstn.isdn.net not found:
3(NXDOMAIN)
I'm running the following versions.
[ejay.hire at ns4 ejay.hire]$ rpm -qa bind
bind-9.2.2.P3-9
[root at telco07 ~]# rpm -qa bind
bind-9.3.1-14_FC4
Anyone see a cause for this?
Thanks,
Ejay
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