IPv6 bind drop

vim /etc/sysconfig/named

추가 OPTIONS="-4"

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11:22:41 ns2 named[20721]: network unreachable resolving 'psdqnutpxyk.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3b78#53
Jun 11 11:22:41 ns2 named[20721]: network unreachable resolving 'psdqnutpxyk.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3a92#53
Jun 11 11:22:44 ns2 named[20721]: network unreachable resolving 'zupgoqftlat.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3b78#53
Jun 11 11:22:44 ns2 named[20721]: network unreachable resolving 'zupgoqftlat.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3a92#53
Jun 11 11:22:45 ns2 named[20721]: network unreachable resolving 'xexruppvhnl.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3b78#53
Jun 11 11:22:45 ns2 named[20721]: network unreachable resolving 'xexruppvhnl.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3a92#53
Jun 11 11:22:46 ns2 named[20721]: network unreachable resolving 'oqgptqtsgol.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3b78#53
Jun 11 11:22:46 ns2 named[20721]: network unreachable resolving 'oqgptqtsgol.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3a92#53
Jun 11 11:22:46 ns2 named[20721]: network unreachable resolving 'kzukbsfefao.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3b78#53
Jun 11 11:22:46 ns2 named[20721]: network unreachable resolving 'kzukbsfefao.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3a92#53
Jun 11 11:22:48 ns2 named[20721]: network unreachable resolving 'oinlfctwzml.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3b78#53
Jun 11 11:22:48 ns2 named[20721]: network unreachable resolving 'oinlfctwzml.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3a92#53
Jun 11 11:22:48 ns2 named[20721]: network unreachable resolving 'thcrigqbtne.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3b78#53
Jun 11 11:22:48 ns2 named[20721]: network unreachable resolving 'thcrigqbtne.www.mren8.com/A/IN': 2400:cb00:2049:1::adf5:3a92#53
Jun 11 11:22:49 ns2 named[20721]: n

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