Difference between revisions of "OPS335 A2 Summer 2015 Tips"
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= How to test your secondary DNS ?= | = How to test your secondary DNS ?= | ||
| + | <pre> | ||
| + | nslookup -query=A scs.senecac.on.ca 142.204.33.53 | grep -v 142.204.33.53 | grep Address | awk '{print $2}' | ||
| + | 142.204.140.179 | ||
| + | PRI_ANS=$(nslookup -query=A scs.senecac.on.ca 142.204.33.53 | grep -v 142.204.33.53 | grep Address | awk '{print $2}') | ||
| + | #echo $PRI_ANS | ||
| + | #142.204.140.179 | ||
| + | SEC_ANS=$(nslookup -query=A scs.senecac.on.ca 142.204.33.54 | grep -v 142.204.33.54 | grep Address | awk '{print $2}') | ||
| + | #echo $PRI_ANS | ||
| + | #142.204.140.179 | ||
| + | #echo $SEC_ANS | ||
| + | #142.204.140.179 | ||
| + | [ "$SEC_ANS" = "$PRI_ANS" ] && echo match | ||
| + | </pre> | ||
Revision as of 10:03, 31 July 2015
How to test your secondary DNS ?
nslookup -query=A scs.senecac.on.ca 142.204.33.53 | grep -v 142.204.33.53 | grep Address | awk '{print $2}'
142.204.140.179
PRI_ANS=$(nslookup -query=A scs.senecac.on.ca 142.204.33.53 | grep -v 142.204.33.53 | grep Address | awk '{print $2}')
#echo $PRI_ANS
#142.204.140.179
SEC_ANS=$(nslookup -query=A scs.senecac.on.ca 142.204.33.54 | grep -v 142.204.33.54 | grep Address | awk '{print $2}')
#echo $PRI_ANS
#142.204.140.179
#echo $SEC_ANS
#142.204.140.179
[ "$SEC_ANS" = "$PRI_ANS" ] && echo match
