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Last active March 25, 2022 17:23
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Check DNS servers for ref-com.ru
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Check DNS servers
for s in ns3-l2.nic.ru. ns4-l2.nic.ru. ns8-l2.nic.ru. ns4-cloud.nic.ru. 8.8.8.8 1.1.1.1 172.17.252.1 ; do echo "$s $(/usr/bin/time -f %e -- host -t A ref-com.ru $s >/dev/null && echo Ok || echo Failed)" ; done
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