*.ipl-e.ai.kyutech.ac.jp
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:60:f9:33:c2:dd:78:af:da:b6:81:74:c6:de:03:9a:61:f8 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=*.ipl-e.ai.kyutech.ac.jp
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:60:f9:33:c2:dd:78:af:da:b6:81:74:c6:de:03:9a:61:f8Serial Number (int): 294335211550115299581033767643045672149496
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ea:1d:57:3e:9b:b4:d0:f4:5f:4f:ee:1e:b8:60:a1:61:1c:7f:b1:7e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 41:86:64:19:4f:9b:12:fc:62:7c:f7:3e:2c:12:b4:21:8c:5d:94:fb
Fingerprint (sha256): 02:60:ff:d1:9f:56:dd:af:0a:ae:56:75:b3:f0:80:62:4f:3e:c7:66:14:bc:59:a9:d0:61:f3:34:f8:8c:a3:cb
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate *.ipl-e.ai.kyutech.ac.jp
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for *.ipl-e.ai.kyutech.ac.jp
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
*.ipl-e.ai.kyutech.ac.jp
*.pl.ai.kyutech.ac.jp
*.pl.ai.kyutech.ac.jp
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Certificate
The complete raw certificate details for *.ipl-e.ai.kyutech.ac.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGMjCCBRqgAwIBAgISA2D5M8LdeK/atoF0xt4DmmH4MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA5MTYwNjA5MzFaFw0x ODEyMTUwNjA5MzFaMCMxITAfBgNVBAMMGCouaXBsLWUuYWkua3l1dGVjaC5hYy5q cDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKBMD5pgvHL1PLrvji8w JhLY2dV0wV8W4zrS7OL2XQSLc9j8zH/uoT4gO5zoiOAHPNe25OT+TMyZYbLQwDbr tVKUAyI3OLlgG2V5+xDrDwrpjwBZKZk/T5oYcNNbJjJfbR25if+uT8sb0uU3JE+G e+5OxBwz97jC9n0InXFc/k4DJbcBz4OQ3QESsvjxFIHhZSR1uawgfW0yXsYl+GPl 6nXw2I8vfTMw4xIVzXfl2od1IT+a2h8nID0N1oy5vD98wkQv44FdftjjNqRX5wHb Y4PJFUaJ74E2ybVAyq1lxfrbWVD0T5N0peED7cFSW9ZjhB/PWjRL3e2U1kt+mKbI zSMCAwEAAaOCAzcwggMzMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU6h1XPpu00PRf T+4euGChYRx/sX4wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzA6BgNVHREEMzAxghgqLmlwbC1lLmFpLmt5dXRlY2guYWMu anCCFSoucGwuYWkua3l1dGVjaC5hYy5qcDCB/gYDVR0gBIH2MIHzMAgGBmeBDAEC ATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUg bWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBv bmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZv dW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMIIBBAYK KwYBBAHWeQIEAgSB9QSB8gDwAHUAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz0 5UVH9HgAAAFl4TaE/wAABAMARjBEAiBOXP1ADwVW+JnAXAVAa8YhUPozTShU5l/Z 1CQJVeSgggIgfikooR+eClTHMUgncFYPvQz8D1XFEUQLbbS/bu7J9B4AdwDbdK/u yynssf7KPnFtLOW5qrs294Rxg8ddnU83th+/ZAAAAWXhNobeAAAEAwBIMEYCIQCh agUwpbv12ZI1lotJ9InySJidC5HgZF2lGNgI9I0B5wIhALhK4flKLm+n+Z5u6ffk dgbrYNaelWmL8fSKdDYefGpRMA0GCSqGSIb3DQEBCwUAA4IBAQCGQZ/zZdSAefHI 6lpEM8zv+RJK0sNKls4J5lnqqOwGO/jlm8cn3tYeDa+YbzwM0L+b1LqfeYjdMuc3 DbpOIQAITMyrj6ptZaVhOJSIvAlQYsnizEzv0jCutfP+L4iOtxL1S4PCnV8xs6Fy zn5PzEIdkekP4hgHyVgwZJGc5LgDhuD7S6B5hbBiErzwHZ2ugQCVEL7QjH6FLxaK MtL64RgRaziOAu+bFBvtMyZyzuvMq8bU04je1Q0Pp82QK2MGTayDK0TQAvRNpPWJ 6HjDgeWrSK4gI8vlmHEVv0PWIMOgfzB+JG5dYhy6BqA/9fhJP1ez4LgPPpSbCDBg URMI2iIO -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoEwPmmC8cvU8uu+OLzAm EtjZ1XTBXxbjOtLs4vZdBItz2PzMf+6hPiA7nOiI4Ac817bk5P5MzJlhstDANuu1 UpQDIjc4uWAbZXn7EOsPCumPAFkpmT9Pmhhw01smMl9tHbmJ/65PyxvS5TckT4Z7 7k7EHDP3uML2fQidcVz+TgMltwHPg5DdARKy+PEUgeFlJHW5rCB9bTJexiX4Y+Xq dfDYjy99MzDjEhXNd+Xah3UhP5raHycgPQ3WjLm8P3zCRC/jgV1+2OM2pFfnAdtj g8kVRonvgTbJtUDKrWXF+ttZUPRPk3Sl4QPtwVJb1mOEH89aNEvd7ZTWS36YpsjN IwIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 294335211550115299581033767643045672149496 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-09-16 06:09:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-15 06:09:31 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.ipl-e.ai.kyutech.ac.jp' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20235635846610422877659756593528474405320453509420244184691362083810222565599212003243571924353521610458269415145947663037192141009652626875489349233454022800459079140111281589134387783399210240115553422246322600941857039391058503374957766873116756143885363814384920049426154214042241613856629953088650798290491045828086175641740887330080276737613095201195708101871409385862651900534976373506655386416342995664840129318309191638622094972207928536717610137526702311733863722332593026880628483794269450899468269599931243722616790637616148114941138253612583886601686155206123317004831739955644121714093271559866268831011 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) ea1d573e9bb4d0f45f4fee1eb860a1611c7fb17e . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (51 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ipl-e.ai.kyutech.ac.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.pl.ai.kyutech.ac.jp' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000165e13684ff000004030046304402204e5cfd400f0556f899c05c05406bc62150fa334d2854e65fd9d4240955e4a08202207e2928a11f9e0a54c731482770560fbd0cfc0f55c511440b6db4bf6eeec9f41e007700db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf6400000165e13686de0000040300483046022100a16a0530a5bbf5d99235968b49f489f248989d0b91e0645da518d808f48d01e7022100b84ae1f94a2e6fa7f99e6ee9f7e47606eb60d69e95698bf1f48a74361e7c6a51 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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