On Tue, Jun 24, 2008 at 5:16 AM, MacShane, Tracy <Tracy.Macshane@xxxxxxxxxxxxxxxxxxxxxxxx> wrote: > I was wondering if RHEL4 has a known problem with returning multiple PTR records. Carrying out a "host", "dig -x" or "nslookup" against an IP like 202.92.65.220 results in no records at all being returned: > # host 202.92.65.220 > ;; Truncated, retrying in TCP mode. > ;; connection timed out; no servers could be reached > > Checking the IP from another Linux (not RedHat) server results in 12 PTR records being returned for the host. A Windows server returns the first entry in the list. > > There is no problem carrying out name resolution for a host with a single PTR record from the RHEL4 box: > # host 74.125.19.103 > 103.19.125.74.in-addr.arpa domain name pointer cf-in-f103.google.com. > > I'm wondering if it's a fault with the gethostname() function, but I can't find anything in the Red Hat Bugzilla. > Its some issue with your server most probably. I can get proper results as below (I've got the same on a RHEL4.0 server also ) : [root@upbpm-fn1 bin]# cat /etc/redhat-release Red Hat Enterprise Linux AS release 4 (Nahant Update 6) [root@upbpm-fn1 bin]# host 202.92.65.220 220.65.92.202.in-addr.arpa domain name pointer sydmail01.powertel.net.au. 220.65.92.202.in-addr.arpa domain name pointer pop.cbdcorp.com.au. 220.65.92.202.in-addr.arpa domain name pointer pop.stanicharding.com.au. 220.65.92.202.in-addr.arpa domain name pointer pop.migrationlawforum.com.au. 220.65.92.202.in-addr.arpa domain name pointer mail.cbdcorp.com.au. 220.65.92.202.in-addr.arpa domain name pointer mail.c2cextreme.net. 220.65.92.202.in-addr.arpa domain name pointer mail.viewhotels.com.au. 220.65.92.202.in-addr.arpa domain name pointer mail.stanicharding.com.au. 220.65.92.202.in-addr.arpa domain name pointer mail.migrationlawforum.com.au. 220.65.92.202.in-addr.arpa domain name pointer webmail.cbdcorp.com.au. 220.65.92.202.in-addr.arpa domain name pointer webmail.viewhotels.com.au. 220.65.92.202.in-addr.arpa domain name pointer webmail.stanicharding.com.au. 220.65.92.202.in-addr.arpa domain name pointer webmail.migrationlawforum.com.au. [root@upbpm-fn1 bin]# dig -x 202.92.65.220 ; <<>> DiG 9.2.4 <<>> -x 202.92.65.220 ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26061 ;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;220.65.92.202.in-addr.arpa. IN PTR ;; ANSWER SECTION: 220.65.92.202.in-addr.arpa. 86341 IN PTR pop.cbdcorp.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR pop.stanicharding.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR pop.migrationlawforum.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR mail.cbdcorp.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR mail.c2cextreme.net. 220.65.92.202.in-addr.arpa. 86341 IN PTR mail.viewhotels.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR mail.stanicharding.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR mail.migrationlawforum.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR webmail.cbdcorp.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR webmail.viewhotels.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR webmail.stanicharding.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR webmail.migrationlawforum.com.au. 220.65.92.202.in-addr.arpa. 86341 IN PTR sydmail01.powertel.net.au. ;; Query time: 1 msec ;; SERVER: 172.31.100.100#53(172.31.100.100) ;; WHEN: Tue Jun 24 08:29:06 2008 ;; MSG SIZE rcvd: 389 -- Thanks and Regards Nabeel Moidu Doha, Qatar -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list