algofoundry.studio

Issued by R3

About this certificate

This digital certificate with serial number 03:8c:7b:87:14:f0:c1:8d:6a:7f:28:79:17:f8:b0:42:bc:7d 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=algofoundry.studio

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8c:7b:87:14:f0:c1:8d:6a:7f:28:79:17:f8:b0:42:bc:7d
Serial Number (int): 309140585592492424323650598265971634519165
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a6:f7:e0:a7:80:49:4e:85:67:19:b9:36:62:d0:6f:8d:2e:58:8b:38
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5c:f8:c4:f0:07:14:cd:eb:05:6d:1a:85:1d:39:40:53:c9:e8:ae:95
Fingerprint (sha256): cc:f0:cb:35:95:21:ba:f2:70:57:4c:7a:bb:3e:aa:18:2a:99:02:ca:6f:4b:ce:75:40:6e:81:03:f0:c2:cc:2a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate algofoundry.studio

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for algofoundry.studio

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

algofoundry.studio
www.algofoundry.studio

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Certificate

The complete raw certificate details for algofoundry.studio in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqqkhJAANwZZID+jtumbz
+HUWZsfbjCX7C9jcBqA1Egee/eMrnoV851Vr4AFPFCOXEp8cruAm0q/kuhu/oGii
d+F2ZwUZOBBPlWSCWb/xbm9nnrzoeNdDAtkt+Snm2blCKg+Sb+ROs8Ly4N9iA1Dz
+60cjF2RV626dcfl7CyND8sFcG4WoXoKD+t3KrYWmbR0pIqjbvJkxgBTzwC7EreD
TrD6PohJJArXhNUbaV0BgiK2ikKPBxyClifI+0cQjF2ZxCJm4+w2ReeGPJZuU8KM
HUiRmGsdJdKH3QNNI/S5ZlP9OyqPExNSRZoP9DRZMqXTe793aDKrIuR/LRYKi+TQ
pwIDAQAB
-----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 309140585592492424323650598265971634519165
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-14 05:23:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-15 05:23:38 +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 'algofoundry.studio'
 . . . . . . . . [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 21543912687163324291184977602167990597354558803236124341829177414955054758241091865520996814701893571279492468720502215853464557771794456949703253792891038198468976698211222996668860100081092282754636865231234711863972716578666976132168345830431302848330934732065791040933857211279952674662490469784817147115003037176326676010628558363137149705884315717356872956930983101103315729688060334082179550962796135448320596191284503490201276388540135495337332923899984963270544395048464011387420562605429004611953740566324063743371190633748619807263474795022838685490616999849010627013276398303314809441342049278978655834279
 . . . . . . . . . . . . . . . . . . . . [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)
							a6f7e0a780494e856719b93662d06f8d2e588b38
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'algofoundry.studio'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.algofoundry.studio'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001864e97d8700000040300473045022100d7ee1fe801a37a71408e325f80a99829dafb6b9d93673629748f59dae711eb5f02206ce2f0d42ee40c6310831282ee5b6598a109a0e38f84c07bc862ce50f920af97007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001864e97d8690000040300473045022100d2ba8e351e6f74fe36449662515ffdb6abc26532e4e20d85b9bf7586d40ea3a802203d258f3a6887bd45f1d471be26e04bc4276ec7303654b4b795152f08c578550d
 . . . . [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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