is my server under attach?

I am using DO loadbalancer and behind it there are 4 droplets running apache 2. I have recently notice some strange logs in my apache2 showing requests for different domains. What is wrong here and how can i fix it. Thanks in advance for your help.

10.139.8.229 - - [02/May/2018:00:00:02 +0000] "POST http://statistics.meipai.com/statistics/play_video.json HTTP/1.1" 200 15
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "POST http://iptvliving.com:8000/client_area/ HTTP/1.1" 200 1375
 10.139.8.229 - - [01/May/2018:23:59:56 +0000] "CONNECT api.weibo.com:443 HTTP/1.0" 200 -
 10.139.8.229 - - [01/May/2018:23:59:47 +0000] "CONNECT www.instagram.com:443 HTTP/1.0" 200 -
 10.139.8.229 - - [02/May/2018:00:00:01 +0000] "GET http://www.google.ru/search?as_qdr=all&complete=1&num=100&hl=ru&nord=1&as_q=%D0%BA%D1%83%D0%BF%D0%B8%D1%82%D1%8C+%D1%8F%D1%85%D1%82%D1%83+%D1%8D%D0%BC%D0%B8%D1%80%D0%B0%D1%82%D1%8B&sa=N HTTP/1.1" 200 2148
 10.139.8.229 - - [01/May/2018:23:59:59 +0000] "CONNECT www.victoriassecret.com:443 HTTP/1.0" 200 -
 10.139.8.229 - - [02/May/2018:00:00:02 +0000] "GET http://www.cq9995.com/index.php?c=home HTTP/1.1" 200 552
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "GET http://www.tfent.cn/Register HTTP/1.1" 405 4104
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "GET http://music.163.com/api/v1/resource/comments/R_SO_4_2876048?limit=5&offset=0 HTTP/1.1" 200 902
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "GET http://kuaibao.qq.com/getMediaCardInfo?chlid=5721752 HTTP/1.1" 200 470
 10.139.8.229 - - [02/May/2018:00:00:02 +0000] "POST http://hb-api.longzhu.com/user/collect?roomId=2126122&version=4.6.4&device=4&packageId=1&utm_sr=chanel_12 HTTP/1.1" 587 3
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "POST http://iptvliving.com:8000/client_area/ HTTP/1.1" 200 1375
 10.139.8.229 - - [02/May/2018:00:00:02 +0000] "GET http://www.cq9995.com/index.php?c=home HTTP/1.1" 200 549
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "POST http://goldvod.tv/login.html HTTP/1.1" 301 4899
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "POST http://hb-api.longzhu.com/user/collect?roomId=2314818&version=4.6.4&device=4&packageId=1&utm_sr=chanel_12 HTTP/1.1" 200 12
 10.139.8.229 - - [02/May/2018:00:00:01 +0000] "CONNECT bar-navig.yandex.ru:443 HTTP/1.0" 200 -
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "GET http://map.baidu.com/?qt=ugcPhotos&poiId=b6519a701e7d049526d2bb6d&type=life&pageCount=30&t=1525219202529 HTTP/1.1" 200 74
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "GET http://open-webstore.com/201[2-8]{1}/0[1-9]{1}/ HTTP/1.1" 200 1340
 10.139.8.229 - - [01/May/2018:23:59:58 +0000] "CONNECT web.immomo.com:443 HTTP/1.0" 200 -
 10.139.8.229 - - [02/May/2018:00:00:01 +0000] "CONNECT bar-navig.yandex.ru:443 HTTP/1.0" 200 -
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "GET http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v2/?key=C03B3C09F6AEAF4969A0EE747B895321&steamids=76561198055637017 HTTP/1.1" 200 367
 10.139.8.229 - - [02/May/2018:00:00:03 +0000] "POST http://iptvliving.com:8000/client_area/ HTTP/1.1" 200 1375