DNS SERVER WITH ERROR: "Server Can't Find : SERVFAIL"

**jcvalim** · 04-02-2009, 10:11 AM

File /var/log/syslog

Apr 2 06:25:09 mail syslogd 1.4.1#18: restart.
Apr 2 06:43:00 mail -- MARK --
Apr 2 07:03:00 mail -- MARK --
Apr 2 07:17:01 mail /USR/SBIN/CRON[6026]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Apr 2 07:43:01 mail -- MARK --
Apr 2 08:03:01 mail -- MARK --
Apr 2 08:17:01 mail /USR/SBIN/CRON[6040]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Apr 2 08:43:01 mail -- MARK --
Apr 2 08:56:17 mail named[2490]: shutting down: flushing changes
Apr 2 08:56:17 mail named[2490]: stopping command channel on 127.0.0.1#953
Apr 2 08:56:17 mail named[2490]: stopping command channel on ::1#953
Apr 2 08:56:17 mail named[2490]: no longer listening on ::#53
Apr 2 08:56:17 mail named[2490]: no longer listening on 127.0.0.1#53
Apr 2 08:56:17 mail named[2490]: no longer listening on 10.0.0.250#53
Apr 2 08:56:17 mail named[2490]: no longer listening on 200.11.20.111#53
Apr 2 08:56:17 mail named[2490]: exiting
Apr 2 08:56:19 mail named[6082]: starting BIND 9.3.4-P1.1 -u bind
Apr 2 08:56:19 mail named[6082]: found 1 CPU, using 1 worker thread
Apr 2 08:56:19 mail named[6082]: loading configuration from '/etc/bind/named.conf'
Apr 2 08:56:19 mail named[6082]: listening on IPv6 interfaces, port 53
Apr 2 08:56:19 mail named[6082]: listening on IPv4 interface lo, 127.0.0.1#53
Apr 2 08:56:19 mail named[6082]: listening on IPv4 interface eth1, 10.0.0.250#53
Apr 2 08:56:19 mail named[6082]: listening on IPv4 interface eth0, 200.11.20.111#53
Apr 2 08:56:19 mail named[6082]: command channel listening on 127.0.0.1#953
Apr 2 08:56:19 mail named[6082]: command channel listening on ::1#953
Apr 2 08:56:19 mail named[6082]: zone 0.in-addr.arpa/IN: loaded serial 1
Apr 2 08:56:19 mail named[6082]: zone 127.in-addr.arpa/IN: loaded serial 1
Apr 2 08:56:19 mail named[6082]: /etc/bind/db.111.20.11.200:4: no current owner name
Apr 2 08:56:19 mail named[6082]: zone 111.20.11.200.in-addr.arpa/IN: loading master file /etc/bind/db.111.20.11.200: no owner
Apr 2 08:56:19 mail named[6082]: zone 255.in-addr.arpa/IN: loaded serial 1
Apr 2 08:56:19 mail named[6082]: /etc/bind/db.hotelpart.com:4: no current owner name
Apr 2 08:56:19 mail named[6082]: zone hotelpart.com/IN: loading master file /etc/bind/db.hotelpart.com: no owner
Apr 2 08:56:19 mail named[6082]: zone localhost/IN: loaded serial 1
Apr 2 08:56:19 mail named[6082]: running
Apr 2 09:17:01 mail /USR/SBIN/CRON[6096]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Apr 2 09:43:02 mail -- MARK --
Apr 2 10:03:02 mail -- MARK --
Apr 2 10:11:49 mail named[6082]: lame server resolving 'www.estadosp.com.br' (in 'estadosp.com.br'?): 72.233.50.75#53
Apr 2 10:11:49 mail named[6082]: lame server resolving 'www.estadosp.com.br' (in 'estadosp.com.br'?): 72.233.50.76#53
Apr 2 10:17:01 mail /USR/SBIN/CRON[6133]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Apr 2 10:43:03 mail -- MARK --
Apr 2 11:03:03 mail -- MARK --

**jcvalim** · 04-03-2009, 08:09 AM

I managed to solve one problem, now tell me if this is normal????

mail:~# nslookup mail.hotelpart.com
Server: 127.0.0.1
Address: 127.0.0.1#53

Name: mail.hotelpart.com
Address: 200.11.20.111

mail:~# nslookup 200.11.20.111
Server: 127.0.0.1
Address: 127.0.0.1#53

** server can't find 111.20.11.200.in-addr.arpa: SERVFAIL

I still have something wrong with my DNS!!!

I hope I can count on your help!!!

**phoenix** · 04-03-2009, 08:24 AM

To verify your DNS behind a NAT router you should use the commands given earlier:

Code:

cat /etc/hosts
cat /etc/resolv.conf
dig hotelpart.com mx
dig hotelpart.com any
host `hostname` <- note backticks and not single quotes

and you should not see your public IP address in any of the results nor should the results for your LAN IP be the 127.0.0.1 address.

**jcvalim** · 04-03-2009, 08:58 AM

Originally Posted by phoenix

To verify your DNS behind a NAT router you should use the commands given earlier:

Code:

cat /etc/hosts
cat /etc/resolv.conf
dig hotelpart.com mx
dig hotelpart.com any
host `hostname` <- note backticks and not single quotes

and you should not see your public IP address in any of the results nor should the results for your LAN IP be the 127.0.0.1 address.

mail:~# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
200.11.20.111 mail.hotelpart.com mail

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

--------------------------------------------------------------------

mail:~# cat /etc/resolv.conf
domain hotelpart.com
search hotelpart.com
nameserver 127.0.0.1
nameserver 10.0.0.1
nameserver 200.222.0.34
nameserver 200.222.0.35

---------------------------------------------------------------------

mail:~# dig hotelpart.com mx

; <<>> DiG 9.3.4-P1.1 <<>> hotelpart.com mx
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31821
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; QUESTION SECTION:
;hotelpart.com. IN MX

;; ANSWER SECTION:
hotelpart.com. 86400 IN MX 5 mail.hotelpart.com.

;; AUTHORITY SECTION:
hotelpart.com. 86400 IN NS mail.hotelpart.com.

;; ADDITIONAL SECTION:
mail.hotelpart.com. 86400 IN A 200.11.20.111

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Apr 3 10:00:05 2009
;; MSG SIZE rcvd: 85

-------------------------------------------------------------------

mail:~# dig hotelpart.com any

; <<>> DiG 9.3.4-P1.1 <<>> hotelpart.com any
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24635
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; QUESTION SECTION:
;hotelpart.com. IN ANY

;; ANSWER SECTION:
hotelpart.com. 86400 IN SOA mail.hotelpart.com. root.hotelpart.com. 1 3600 86400 2419200 3600
hotelpart.com. 86400 IN NS mail.hotelpart.com.
hotelpart.com. 86400 IN MX 5 mail.hotelpart.com.

;; ADDITIONAL SECTION:
mail.hotelpart.com. 86400 IN A 200.11.20.111

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Apr 3 10:03:19 2009
;; MSG SIZE rcvd: 126

-------------------------------------------------------------------

mail:~# host `hostname`
mail.hotelpart.com has address 200.11.20.111

Thanks

**jcvalim** · 04-06-2009, 05:07 AM

I'm still having problems someone could help me?????

mail:~# nslookup 200.11.20.111
Server: 127.0.0.1
Address: 127.0.0.1#53

** server can't find 111.20.11.200.in-addr.arpa: NXDOMAIN

**phoenix** · 04-06-2009, 05:11 AM

Originally Posted by jcvalim

I'm still having problems someone could help me?????

mail:~# nslookup 200.11.20.111
Server: 127.0.0.1
Address: 127.0.0.1#53

** server can't find 111.20.11.200.in-addr.arpa: NXDOMAIN

From that output your server would appear to have no Reverse DNS, you need to contact your ISP and get it fixed.

**jcvalim** · 04-06-2009, 05:19 AM

Originally Posted by phoenix

From that output your server would appear to have no Reverse DNS, you need to contact your ISP and get it fixed.

what is it that ISP????

**phoenix** · 04-06-2009, 05:30 AM

Originally Posted by jcvalim

what is it that ISP????

Your Internet Service Provider i.e. the company that provides your network connection.

**jcvalim** · 04-06-2009, 05:41 AM

Originally Posted by phoenix

Your Internet Service Provider i.e. the company that provides your network connection.

but what should I ask for them???

The problem seems to be setting my server....

**phoenix** · 04-06-2009, 05:43 AM

I've already told you, a reverse DNS. This is not a Zimbra problem, speak to your ISP.

Zimbra

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