attendance-api.aiko-1959.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:aa:4f:b2:bd:91:d9:7c:02:cc:f6:08:4f:f1:f4:17:5c:2f was issued on by Let's Encrypt.

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=attendance-api.aiko-1959.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:aa:4f:b2:bd:91:d9:7c:02:cc:f6:08:4f:f1:f4:17:5c:2f
Serial Number (int): 319290797257278913103815161392742421453871
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:27:34:5f:6c:b1:a3:49:e2:af:16:35:5e:ca:33:f4:a8:1f:e8:20
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9c:ff:86:b7:0f:ef:af:05:9b:9b:22:82:a4:64:96:7f:74:e9:89:28
Fingerprint (sha256): 95:0b:86:06:92:77:db:41:39:ad:e1:10:ad:8b:e7:11:80:fc:e9:25:f6:92:94:2a:0f:a2:57:40:5f:a8:63:85

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 attendance-api.aiko-1959.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for attendance-api.aiko-1959.net

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

attendance-api.aiko-1959.net

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Certificate

The complete raw certificate details for attendance-api.aiko-1959.net in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAreicXDSJcr5lkE/hQh57
x65QtTxmteLWHT8RKt+7e23eneEl0C8Kgys+SBTqY809iEV/rCv6wBXkqGd7tVvD
VYVCRqIy8SownCDkUg6u0QSqBt+KwkYkIEH179rJPGpmqK6TEj+3AVO7yAdFC7nX
X+NSD+nuu1SiMXv9zqiA7+OcyMVShvXPKSS1TZljHaOe9vtEhRyYKEJL2GYd2Kdi
geWULeYl1+LNnWhZHLb3xsWysNmIT6VHEjW03gI31bCPBW2CxVWQAg4qaiAVmaid
7L/FpIVr9npcZ58NCrTZm9XES6Z1i+n7pIc98edIn4KUwj7rVqGirn2vzpIX+a71
oQIDAQAB
-----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 319290797257278913103815161392742421453871
 . . . . . . . . [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 2019-06-10 08:49:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-08 08:49:59 +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 'attendance-api.aiko-1959.net'
 . . . . . . . . [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 21953931410803687773753910719468892376030734405343280752170558077159826953741612184944821596961038167653847156046221360201776081796280642964965793008412345821345184625542243566435990416268250999687486655860301827902299038917836995619278781550409548908103576576323038901653539855340192656879657934023259768938287369810601255223541980896607505420095818268159992356863611708485965616039622828583039741761378712412301334718250909439339151027561667738848132351200892490582581543522355110632413497377732726658812348488834680220168898731660349025835895586687704809088535852986674623517239497782744320575838670908929961031073
 . . . . . . . . . . . . . . . . . . . . [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)
							4a27345f6cb1a349e2af16355eca33f4a81fe820
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'attendance-api.aiko-1959.net'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b40cb64530000040300463044022052c4621156a53ee7e72c14f4d3e2eee10f817dfa1d5e8d6b7052ea25ceb793ac0220696b70d00a3f65b7f39db577e4fc0d52834403e24a2e4f33637522d1300b229700750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b40cb647400000403004630440220632b75c45d20e58ae6f711d2bce769d2218af2ee9c2cc5f652babf7c90d64ac002200a71ee844473fe8edd35629b007071469815eaf8e0c77fee83302bc71f724b47
 . . . . [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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