ModSecurity をインストールした Nginx を再起動するタイミングで下記のようなクエリが出ることに気づいた。 # tcpdump -nn -i eth0 port 53 19:59:38.900056 IP 192.168.37.10.48175 > 204.13.200.240.53: 14893 A? GIXDQLRQFRGW6ZCTMVRXK4TJOR4SAU3U.MFXGIYLMN5XGKLBRFYZS4OJPGEXDGLRZ.FQ3S4OBPG4XDQIBSGAYDQLJQHEWTANJM.FBXHK3DMFEWDELRXFY3CYMDEHE3TCY3G.HE4WINTFHBTDENJUGRTDKNDFMU3GCMTG.GU3TCMTCGE2DAM3EMI2GG.1405076378.status.modsecurity.org. (238) 19:59:39.079
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