[Madlug] ping & dig disagree on IP address
John Heim
jheim at math.wisc.edu
Fri Jan 25 16:52:08 CST 2008
I can't figure out why dig is giving me one IP address for a server and ping
is going somewhere else. The IP for ldap1.johnheim.com was in the /etc/hosts
file. But I took it out, saved the file, and re-ran ping. But ping is acting
as if the line for ldap1 is still in /etc/hosts. I even tried rebooting and
it still doesn't go to the right IP address.
# ping -c1 ldap1.johnheim.com
PING ldap1.johnheim.com (192.168.0.190) 56(84) bytes of data.
64 bytes from ldap1.johnheim.com (192.168.0.190): icmp_seq=1 ttl=64
time=0.197
ms
--- ldap1.johnheim.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.197/0.197/0.197/0.000 ms
# dig ldap1.johnheim.com
; <<>> DiG 9.2.4 <<>> ldap1.johnheim.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2978
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 1
;; QUESTION SECTION:
;ldap1.johnheim.com. IN A
;; ANSWER SECTION:
ldap1.johnheim.com. 86400 IN CNAME george.johnheim.com.
george.johnheim.com. 86400 IN A 192.168.0.12
;; AUTHORITY SECTION:
johnheim.com. 86400 IN NS gracie.johnheim.com.
johnheim.com. 86400 IN NS george.johnheim.com.
;; ADDITIONAL SECTION:
gracie.johnheim.com. 86400 IN A 192.168.0.14
;; Query time: 3 msec
;; SERVER: 192.168.0.12#53(192.168.0.12)
;; WHEN: Fri Jan 25 16:38:02 2008
;; MSG SIZE rcvd: 125
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