Pano ulit paaps. Parang di ko getsCheck bytes ang response time pag nag ping ka nang site .
Much better if you check first the Opera's and try to ping them.
Then compare the sites that you have searched.
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Compare to - server4-1.operamini.net
And since it is web DNS it should be on open port 80 HTTP or HTTPS 8080
TLS is port 442 to 443
so on and so fort.
Goodluck and Enjoy experimenting.