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atcoder.jp SSL Certificate – Expired, expires 29 Jul 2024 | CubDomain
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atcoder.jp
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SSL certificate
A
atcoder.jp
SSL certificate & chain
Status
Expired
Expires in
Expired
Issuer
Amazon
Chain
5 certificates
Certificate chain
1 · Site certificate
Expired
atcoder.jp
Issued by Amazon RSA 2048 M01
Expires 29 Jul 2024
→
2 · Intermediate
Valid
Amazon RSA 2048 M01
Issued by Amazon Root CA 1
Expires 23 Aug 2030
→
3 · Intermediate
Valid
Amazon Root CA 1
Issued by Starfield Services Root Certificate Authority - G2
Expires 30 Dec 2037
→
4 · Intermediate
Valid
Starfield Services Root Certificate Authority - G2
Issued by "Starfield Technologies
Expires 28 Jun 2034
→
5 · Root
Valid
"Starfield Technologies
Issued by "Starfield Technologies
Expires 29 Jun 2034
Each certificate is shown in full below, from the site's own to the root.
1
Site certificate
atcoder.jp
Expired
Issued to
Common name (CN)
atcoder.jp
Issued by
Common name (CN)
Amazon RSA 2048 M01
Organisation (O)
Amazon
Country (C)
US
Validity
Valid from
29 Jun 2023, 17:00 UTC
Valid until
29 Jul 2024, 16:59 UTC
Days remaining
Expired 805 days ago
Technical details
Serial number
06:18:1D:B7:45:C8:67:B0:95:27:6D:E2:43:C9:6B:17
Signature algorithm
—
2
Intermediate
Amazon RSA 2048 M01
Valid
Issued to
Common name (CN)
Amazon RSA 2048 M01
Organisation (O)
Amazon
Country (C)
US
Issued by
Common name (CN)
Amazon Root CA 1
Organisation (O)
Amazon
Country (C)
US
Validity
Valid from
23 Aug 2022, 15:21 UTC
Valid until
23 Aug 2030, 15:21 UTC
Days remaining
1410
Technical details
Serial number
07:73:12:38:0B:9D:66:88:A3:3B:1E:D9:BF:9C:CD:A6:8E:0E:0F
Signature algorithm
—
3
Intermediate
Amazon Root CA 1
Valid
Issued to
Common name (CN)
Amazon Root CA 1
Organisation (O)
Amazon
Country (C)
US
Issued by
Common name (CN)
Starfield Services Root Certificate Authority - G2
Organisation (O)
"Starfield Technologies
Country (C)
US
State (ST)
Arizona
Locality (L)
Scottsdale
Validity
Valid from
25 May 2015, 05:00 UTC
Valid until
30 Dec 2037, 17:00 UTC
Days remaining
4096
Technical details
Serial number
06:7F:94:4A:2A:27:CD:F3:FA:C2:AE:2B:01:F9:08:EE:B9:C4:C6
Signature algorithm
—
4
Intermediate
Starfield Services Root Certificate Authority - G2
Valid
Issued to
Common name (CN)
Starfield Services Root Certificate Authority - G2
Organisation (O)
"Starfield Technologies
Country (C)
US
State (ST)
Arizona
Locality (L)
Scottsdale
Issued by
Organisation (O)
"Starfield Technologies
Unit (OU)
Starfield Class 2 Certification Authority
Country (C)
US
Validity
Valid from
1 Sept 2009, 17:00 UTC
Valid until
28 Jun 2034, 10:39 UTC
Days remaining
2815
Technical details
Serial number
00:A7:0E:4A:4C:34:82:B7:7F
Signature algorithm
—
5
Root
"Starfield Technologies
Valid
Issued to
Organisation (O)
"Starfield Technologies
Unit (OU)
Starfield Class 2 Certification Authority
Country (C)
US
Issued by
Organisation (O)
"Starfield Technologies
Unit (OU)
Starfield Class 2 Certification Authority
Country (C)
US
Validity
Valid from
29 Jun 2004, 10:39 UTC
Valid until
29 Jun 2034, 10:39 UTC
Days remaining
2816
Technical details
Serial number
00
Signature algorithm
—
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