rekishi.irides.tohoku.ac.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:92:8b:e9:13:b2:6f:27:7c:73:be:81:8a:a3:87:bb:4f:2b 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=rekishi.irides.tohoku.ac.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:92:8b:e9:13:b2:6f:27:7c:73:be:81:8a:a3:87:bb:4f:2b
Serial Number (int): 311204056261822693495521939249361451700011
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c2:4f:29:77:8e:b4:62:47:4b:47:1b:9b:01:76:3e:0d:d1:0c:31:3d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:79:f5:b5:ee:ea:ec:70:95:e4:89:4c:26:92:36:0d:85:96:52:bb
Fingerprint (sha256): 0c:51:1c:91:fb:04:23:8d:a5:f3:c9:0a:12:f4:a6:e6:01:86:78:26:58:0f:21:ff:33:18:ee:94:c3:9b:24:17

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate rekishi.irides.tohoku.ac.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rekishi.irides.tohoku.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

rekishi.irides.tohoku.ac.jp
www.rekishi.irides.tohoku.ac.jp

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c.bureau.tohoku.ac.jp
seaotter.cite.tohoku.ac.jp
www.hpc.cc.tohoku.ac.jp
rcc.niche.tohoku.ac.jp
work.bureau.tohoku.ac.jp
www.diverta.co.jp
web.med.tohoku.ac.jp
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geoserv.kankyo.tohoku.ac.jp
argon.material.tohoku.ac.jp
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emc.tohoku.ac.jp
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seaotter.cite.tohoku.ac.jp
www11.bureau.tohoku.ac.jp
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mail.apph.tohoku.ac.jp
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tupms.rpip.tohoku.ac.jp
imr-kyodo.imr.tohoku.ac.jp
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Certificate

The complete raw certificate details for rekishi.irides.tohoku.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFjzCCBHegAwIBAgISA5KL6ROybyd8c76BiqOHu08rMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MTMwMzU1MTFaFw0x
OTA4MTEwMzU1MTFaMCYxJDAiBgNVBAMTG3Jla2lzaGkuaXJpZGVzLnRvaG9rdS5h
Yy5qcDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMPVCO8JY4peI1ho
aG4IUABu1Y1XdaxuqykIg74ssfHgvm0W9IkEMjEb1ydFFw7t59Ps/tnon/J7paDL
M+SpAiLwXsifct/mqK3NLjjkXv9iYOdqJyWQz0q7wgEf3IPRbWSMl2hjVHsEHLk/
rslpMO0gO+xOzg7Nh0HquETJvZHxjPA5TX2tKhr8yCRu0diHAG394jhGnzmeq2Ku
FPSQcSUiEY4zOgyauMoDd2Wh4WlEbXgj/vUlwbBCwog6BTU6GMO9pVoYrIk31OIi
/tLdqBfZzup4cwx8spXrFuHULMY5bxxuocsCxPCICB4Qm6n0XVBki8CGkYroLvrF
G01sKZECAwEAAaOCApEwggKNMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr
BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUwk8pd460
YkdLRxubAXY+DdEMMT0wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw
bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnLzBHBgNVHREEQDA+ghtyZWtpc2hpLmlyaWRlcy50b2hv
a3UuYWMuanCCH3d3dy5yZWtpc2hpLmlyaWRlcy50b2hva3UuYWMuanAwTAYDVR0g
BEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0
cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAA
dgDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWqvi2yZAAAEAwBH
MEUCICeUHUBmlLjnTe235c5knKFz6Ck4hJcSWGvG+EI8olGtAiEAimRe10H0EfJA
7mD6ERKtuz3SsPSO7eAjH96Ink9PMNMAdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily
3KTDDPTlRUf0eAAAAWqvi25/AAAEAwBHMEUCIQCtlA7XceCBBpWWjIr/tHu4AJt2
aF860NdUuIq+23w7RAIgeTn5VrHNeWpZg5Jta5cyhz1g2BfEK73UCoYodVvFP3gw
DQYJKoZIhvcNAQELBQADggEBADZidyqXam22M9rv9OROjXts/a/7owYYaTeePLWL
Pr6jsnB2UDKU0qy6llwrBKXCG0dGGtJeoS1szysl5pInToBTbGqY4mvWbfv8PAtD
ljFRn8CzRgkFuzN8a3JgL5WMxrn0l7Imdp1n1b6E4UkTbPRkyxBNRXgyvirE824N
M4tBgrWeLY5u76B1JUq8daOq1JmCvrjR935d2qc4p03LH9a2yH9yEP+W6di1Elib
psyCRzRcAs18WSkBYvrpGON25fKoQ6OY7kr/vxI5EXWeg7qFR71KNdjzQJO/YOG4
X4T3E5UyEiz8REqSKrFVEKwrlQWOWPrTwDleJiM0xDDBDWM=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw9UI7wljil4jWGhobghQ
AG7VjVd1rG6rKQiDviyx8eC+bRb0iQQyMRvXJ0UXDu3n0+z+2eif8nuloMsz5KkC
IvBeyJ9y3+aorc0uOORe/2Jg52onJZDPSrvCAR/cg9FtZIyXaGNUewQcuT+uyWkw
7SA77E7ODs2HQeq4RMm9kfGM8DlNfa0qGvzIJG7R2IcAbf3iOEafOZ6rYq4U9JBx
JSIRjjM6DJq4ygN3ZaHhaURteCP+9SXBsELCiDoFNToYw72lWhisiTfU4iL+0t2o
F9nO6nhzDHyylesW4dQsxjlvHG6hywLE8IgIHhCbqfRdUGSLwIaRiugu+sUbTWwp
kQIDAQAB
-----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 311204056261822693495521939249361451700011
 . . . . . . . . [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 2019-05-13 03:55:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-11 03:55:11 +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:19|false] PrintableString 'rekishi.irides.tohoku.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 24721520891614565412190274425964844520490239828922021844006437879809219480227044025853705061559531201852202160129671452024868244520277669128611900957412218723597559826412095874440844978956037574132836682364172820446152215797705471822153850731916829568623563185719193334574002032851624268733384483082442037407259159365257117750921177802352121394793698615130388769841603357178798752716671671390863397425464787278300623530451339136165017368331413848992132882804344263474356927799997391932935722119954277412617368552581828220656152447327508585723259479429608763542273757576937515559605770394099123312267265795871409449361
 . . . . . . . . . . . . . . . . . . . . [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)
							c24f29778eb462474b471b9b01763e0dd10c313d
 . . . . . . . . . . . . . . . . [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 (64 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rekishi.irides.tohoku.ac.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rekishi.irides.tohoku.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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aaf8b6c990000040300473045022027941d406694b8e74dedb7e5ce649ca173e82938849712586bc6f8423ca251ad0221008a645ed741f411f240ee60fa1112adbb3dd2b0f48eede0231fde889e4f4f30d3007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016aaf8b6e7f0000040300473045022100ad940ed771e0810695968c8affb47bb8009b76685f3ad0d754b88abedb7c3b4402207939f956b1cd796a5983926d6b9732873d60d817c42bbdd40a8628755bc53f78
 . . . . [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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