This digital certificate with serial number 7e:db:1b:b0:3c:c8:d7:82:40:4a:6e:3b:c4:6f:22:dd:7a:b7:d7:55 was issued on
by Cybertrust Japan Co., Ltd..
This certificate has already expired and will cause a warning or error message in the browser it's
still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
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We have idenified some issues with this certificate:
Subscriber Certificate: commonName is deprecated.
Compliant certificates should use the utf8string encoding for explicitText
(RFC 6818: 3)
The keyUsage extension SHOULD be critical
(RFC 5280: 188.8.131.52)
Company registration number:0100-01-138365 Organization:Skylark Co.,Ltd. Organization unit: IT Division
State / Province:Tokyo Locality:Musashino Country:JP
Cybertrust Japan Co., Ltd.
Organization:Cybertrust Japan Co., Ltd.
Time since certificate expired
This certificate has expire since
Serial Number (hex): 7e:db:1b:b0:3c:c8:d7:82:40:4a:6e:3b:c4:6f:22:dd:7a:b7:d7:55
Serial Number (int): 724219112324495232289626330868955728437843580757
Serial Number lenght: 159 bits, 20 octets