Comments on: Cool Tool: nslookup http://blog.softlayer.com/2009/cool-tool-nslookup/ A Behind the Scenes Look at the Best Hosting Provider in the World Tue, 21 May 2013 00:08:33 +0000 hourly 1 http://wordpress.org/?v=3.4.1 By: sajal http://blog.softlayer.com/2009/cool-tool-nslookup/comment-page-1/#comment-1434 sajal Wed, 02 Sep 2009 07:06:52 +0000 http://theinnerlayer.softlayer.com/?p=872#comment-1434 Dig usage : for the above example of finding the mail servers of softlayer.com directly from the authoritative ns sajal@sajal-laptop:~$ dig softlayer.com mx @ns1.softlayer.com ; <> DiG 9.5.0-P2 <> softlayer.com mx @ns1.softlayer.com ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50146 ;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 3 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;softlayer.com. IN MX ;; ANSWER SECTION: softlayer.com. 86400 IN MX 10 mx01.softlayer.com. softlayer.com. 86400 IN MX 20 mx02.softlayer.com. softlayer.com. 86400 IN MX 30 mx03.softlayer.com. ;; AUTHORITY SECTION: softlayer.com. 86400 IN NS ns2.softlayer.net. softlayer.com. 86400 IN NS ns1.softlayer.net. ;; ADDITIONAL SECTION: mx01.softlayer.com. 604800 IN A 66.228.118.91 mx02.softlayer.com. 604800 IN A 74.202.44.247 mx03.softlayer.com. 604800 IN A 66.228.118.93 ;; Query time: 369 msec ;; SERVER: 67.228.254.4#53(67.228.254.4) ;; WHEN: Wed Sep 2 13:51:58 2009 ;; MSG SIZE rcvd: 191 sajal@sajal-laptop:~$ Dig usage : for the above example of finding the mail servers of softlayer.com directly from the authoritative ns

sajal@sajal-laptop:~$ dig softlayer.com mx @ns1.softlayer.com

; <> DiG 9.5.0-P2 <> softlayer.com mx @ns1.softlayer.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50146
;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 3
;; WARNING: recursion requested but not available

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

;; ANSWER SECTION:
softlayer.com. 86400 IN MX 10 mx01.softlayer.com.
softlayer.com. 86400 IN MX 20 mx02.softlayer.com.
softlayer.com. 86400 IN MX 30 mx03.softlayer.com.

;; AUTHORITY SECTION:
softlayer.com. 86400 IN NS ns2.softlayer.net.
softlayer.com. 86400 IN NS ns1.softlayer.net.

;; ADDITIONAL SECTION:
mx01.softlayer.com. 604800 IN A 66.228.118.91
mx02.softlayer.com. 604800 IN A 74.202.44.247
mx03.softlayer.com. 604800 IN A 66.228.118.93

;; Query time: 369 msec
;; SERVER: 67.228.254.4#53(67.228.254.4)
;; WHEN: Wed Sep 2 13:51:58 2009
;; MSG SIZE rcvd: 191

sajal@sajal-laptop:~$

]]> By: jpou http://blog.softlayer.com/2009/cool-tool-nslookup/comment-page-1/#comment-1424 jpou Thu, 27 Aug 2009 06:32:08 +0000 http://theinnerlayer.softlayer.com/?p=872#comment-1424 Just use dig... Jonathan de Boyne Pollard. "nslookup is a badly flawed tool. Don't use it.". Frequently Given Answers. http://homepages.tesco.net/~J.deBoynePollard/FGA/nslookup-flaws.html. Just use dig…
Jonathan de Boyne Pollard. “nslookup is a badly flawed tool. Don’t use it.”. Frequently Given Answers. http://homepages.tesco.net/~J.deBoynePollard/FGA/nslookup-flaws.html.

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