do you do any maintenace work?
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yum check-update
Loaded plugins: allowdowngrade, fastestmirror
Loading mirror speeds from cached hostfile
* addons: centos.de-mirror-server.de
* atomic: www6.atomicorp.com
* base: centos.de-mirror-server.de
* extras: centos.de-mirror-server.de
* updates: ftp-stud.fht-esslingen.de
http://atomicorp.com/channels/asl-2.0/centos/5/x86_64/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://www6.atomicorp.com/channels/atomic/centos/5/x86_64/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://www2.atomicorp.com/channels/atomic/centos/5/x86_64/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://www3.atomicorp.com/channels/atomic/centos/5/x86_64/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
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# ping atomicorp.com
ping: unknown host atomicorp.com
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# host atomicorp.com 87.106.240.251
Using domain server:
Name: 87.106.240.251
Address: 87.106.240.251#53
Aliases:
Host atomicorp.com not found: 3(NXDOMAIN)
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# host -a atomicorp.com
Trying "atomicorp.com"
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47688
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 4
;; QUESTION SECTION:
;atomicorp.com. IN ANY
;; ANSWER SECTION:
atomicorp.com. 2145 IN NS dns036.c.register.com.
atomicorp.com. 2145 IN NS dns064.b.register.com.
atomicorp.com. 2145 IN NS dns010.d.register.com.
atomicorp.com. 2145 IN NS dns135.a.register.com.
;; ADDITIONAL SECTION:
dns010.d.register.com. 172799 IN A 216.21.236.10
dns064.b.register.com. 170363 IN A 216.21.232.64
dns135.a.register.com. 172340 IN A 216.21.231.135
dns036.c.register.com. 172029 IN A 216.21.235.36
Received 196 bytes from 87.106.240.251#53 in 1 ms
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# host -t any atomicorp.com
atomicorp.com name server dns064.b.register.com.
atomicorp.com name server dns036.c.register.com.
atomicorp.com name server dns010.d.register.com.
atomicorp.com name server dns135.a.register.com.
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dig @87.106.240.251 atomicorp.com
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> @87.106.240.251 atomicorp.com
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 59322
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;atomicorp.com. IN A
;; Query time: 2367 msec
;; SERVER: 87.106.240.251#53(87.106.240.251)
;; WHEN: Sat Nov 13 13:28:10 2010
;; MSG SIZE rcvd: 31
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# dig +trace atomicorp.com
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> +trace atomicorp.com
;; global options: printcmd
. 50295 IN NS m.root-servers.net.
. 50295 IN NS a.root-servers.net.
. 50295 IN NS g.root-servers.net.
. 50295 IN NS i.root-servers.net.
. 50295 IN NS d.root-servers.net.
. 50295 IN NS j.root-servers.net.
. 50295 IN NS e.root-servers.net.
. 50295 IN NS b.root-servers.net.
. 50295 IN NS f.root-servers.net.
. 50295 IN NS h.root-servers.net.
. 50295 IN NS k.root-servers.net.
. 50295 IN NS l.root-servers.net.
. 50295 IN NS c.root-servers.net.
;; Received 449 bytes from 87.106.240.251#53(87.106.240.251) in 1 ms
com. 172800 IN NS k.gtld-servers.net.
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS m.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
com. 172800 IN NS i.gtld-servers.net.
com. 172800 IN NS j.gtld-servers.net.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS h.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
;; Received 491 bytes from 202.12.27.33#53(m.root-servers.net) in 22 ms
atomicorp.com. 172800 IN NS dns135.a.register.com.
atomicorp.com. 172800 IN NS dns064.b.register.com.
atomicorp.com. 172800 IN NS dns036.c.register.com.
atomicorp.com. 172800 IN NS dns010.d.register.com.
;; Received 196 bytes from 192.52.178.30#53(k.gtld-servers.net) in 11 ms
atomicorp.com. 14400 IN A 74.208.155.133
;; Received 47 bytes from 216.21.232.64#53(dns064.b.register.com) in 89 ms