darellsfinancialcorner.blogspot.com/2016/02/sql-injection-bypassing-waf-web.html 서버시간 @엔코 원자시계 수강신청 서버시간 NKO Atomic Clock, server time, time sync, accurate clock

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https://darellsfinancialcorner.blogspot.com/2016/02/sql-injection-bypassing-waf-web.html server time check history

2021-05-07 05:27:28 KST 0.225795
2021-05-07 05:21:46 KST 0.114087
2020-05-13 10:33:51 KST 0.068526
2020-02-16 16:53:20 KST 0.096744
2019-05-25 07:52:57 KST 0.252199
2018-11-05 22:12:54 KST 0.230819
2018-05-23 22:48:26 KST 0.176688
2018-05-18 18:22:08 KST 0.063183
2018-05-05 17:13:10 KST 0.033182
2018-05-04 13:02:47 KST 0.183568
Average 0.1444791

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We fetch a server clock and let you see

Webservers transmit their time in seconds unit, so without special treatment, the maximum error would be as big as 1 second. NKO Atomic Clock calculates a server time more than ten times in 1 second and seize the moment when the second changes. Thus we can minimize the calculation error as small as 0.1 second. Moreover, delays between our server and a destination server are considered so the accuracy of time increases.

NKO supports the HTTPS protocol and subdomains

Some servers use different servers over protocols or subdomains. You can get a desired result by specifying more details.

Information

# You need to tell us an exact server address. For example, some sites host differently by whether the address begin with WWW or not.

# Even if your computer clock isn't synchronized, NKO always will display correct time.

# If you click a numeric time error in the history view, the clock will use that measurement.

# The results can have quite much error if the destination server is under load balancing. Please refer to a variance in the server time history information.

# A particular service uses its own time clock, different with web servers' clock. in this case, server time guessing is not meaningful.