大量 tcprelay.py:1097 unable to parse hostname 奇怪域名

[douniwan5788]

2019-03-01 14:14:13 ERROR    tcprelay.py:1097 unable to parse hostname jtbkzhj when handling connection from <myip>:35006
2019-03-01 14:14:13 ERROR    tcprelay.py:1097 unable to parse hostname uzuasjogtzyts when handling connection from <myip>:35009
2019-03-01 14:14:13 ERROR    tcprelay.py:1097 unable to parse hostname einllubxtzfd when handling connection from <myip>:35010
2019-03-01 14:14:13 ERROR    tcprelay.py:1097 unable to parse hostname sczdzuot when handling connection from <myip>:35008
2019-03-01 14:14:13 ERROR    tcprelay.py:1097 unable to parse hostname yelrtpytsot when handling connection from <myip>:35007
2019-03-01 14:24:14 ERROR    tcprelay.py:1097 unable to parse hostname ojwoidgf when handling connection from <myip>:36837
2019-03-01 14:24:14 ERROR    tcprelay.py:1097 unable to parse hostname tsdrjiwavdy when handling connection from <myip>:36838
2019-03-01 14:24:14 ERROR    tcprelay.py:1097 unable to parse hostname jlcmixbj when handling connection from <myip>:36839
2019-03-01 14:24:14 ERROR    tcprelay.py:1097 unable to parse hostname wvcmhjdqfqlujh when handling connection from <myip>:36842
2019-03-01 14:24:14 ERROR    tcprelay.py:1097 unable to parse hostname qwplyxg when handling connection from <myip>:36841
2019-03-01 14:24:14 ERROR    tcprelay.py:1097 unable to parse hostname yzzpibko when handling connection from <myip>:36840
2019-03-01 14:34:15 ERROR    tcprelay.py:1097 unable to parse hostname zscukhiyakf when handling connection from <myip>:34095
2019-03-01 14:34:15 ERROR    tcprelay.py:1097 unable to parse hostname tzgdbtvahokew when handling connection from <myip>:34096
2019-03-01 14:34:15 ERROR    tcprelay.py:1097 unable to parse hostname ylhdirjedyznty when handling connection from <myip>:34097
2019-03-01 14:34:15 ERROR    tcprelay.py:1097 unable to parse hostname sfmxszv when handling connection from <myip>:34098
2019-03-01 14:34:15 ERROR    tcprelay.py:1097 unable to parse hostname tsdvcgtcor when handling connection from <myip>:34099
2019-03-01 14:34:15 ERROR    tcprelay.py:1097 unable to parse hostname saxinolopksw when handling connection from <myip>:34094
2019-03-01 14:50:15 ERROR    tcprelay.py:1097 unable to parse hostname hawwcol when handling connection from <myip>:35348
2019-03-01 14:50:15 ERROR    tcprelay.py:1097 unable to parse hostname kdevhganirdybxz when handling connection from <myip>:35349
2019-03-01 14:50:15 ERROR    tcprelay.py:1097 unable to parse hostname xjgdrpn when handling connection from <myip>:35350
2019-03-01 14:50:15 ERROR    tcprelay.py:1097 unable to parse hostname lrsabodmpvnip when handling connection from <myip>:35347
2019-03-01 14:50:15 ERROR    tcprelay.py:1097 unable to parse hostname wthqaufnenihyv when handling connection from <myip>:35346
2019-03-01 14:50:15 ERROR    tcprelay.py:1097 unable to parse hostname xwqpjcstoxjfj when handling connection from <myip>:35345
2019-03-01 14:57:15 ERROR    tcprelay.py:1097 unable to parse hostname lxgazeoj when handling connection from <myip>:36278
2019-03-01 14:57:15 ERROR    tcprelay.py:1097 unable to parse hostname lqgshcrnd when handling connection from <myip>:36277
2019-03-01 14:57:15 ERROR    tcprelay.py:1097 unable to parse hostname vwzaxcgnxqbceg when handling connection from <myip>:36275
2019-03-01 14:57:15 ERROR    tcprelay.py:1097 unable to parse hostname xrupjpy when handling connection from <myip>:36279
2019-03-01 14:57:15 ERROR    tcprelay.py:1097 unable to parse hostname dqblsuexqmxig when handling connection from <myip>:36280
2019-03-01 14:57:15 ERROR    tcprelay.py:1097 unable to parse hostname konfdtvala when handling connection from <myip>:36276

日志里总是大量这种hostname
怀疑是某种DNS隧道传输信息，请问有谁知道是哪个APP的吗？不是中毒了吧

[Akkariiin]

你的客户端那边有什么东西一直在尝试连接吧？
比如代理扫描器一类的