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tech:linux:dns_validate [2015/04/09 06:46] (current) |
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| + | ====== Validate DNS with nslookup ====== | ||
| + | To validate that the correct DNS entries are in the DNS | ||
| + | |||
| + | **Validate script** (nsvalidate) | ||
| + | <code bash> | ||
| + | #!/bin/bash | ||
| + | HOSTN=$1 | ||
| + | HOSTI=$2 | ||
| + | RHOST=`nslookup -type=A $HOSTN|grep Address|grep -v "#53$"|cut -d" " -f2` | ||
| + | if [ $HOSTI != $RHOST ]; then | ||
| + | echo "Mismatch: $HOSTN expected $HOSTI but returned $RHOST" | ||
| + | fi | ||
| + | </code> | ||
| + | |||
| + | **Run script** | ||
| + | <code bash> | ||
| + | #!/bin/bash | ||
| + | ./nsvalidate someserver1 111.111.111.111 | ||
| + | ./nsvalidate someserver2 222.222.222.222 | ||
| + | </code> | ||
