ujama.co

Issued by R3

About this certificate

This digital certificate with serial number 03:cb:6d:90:b9:76:08:37:a4:32:6b:51:6b:c7:d4:6b:01:70 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=ujama.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cb:6d:90:b9:76:08:37:a4:32:6b:51:6b:c7:d4:6b:01:70
Serial Number (int): 330559815584116675866900810483571450642800
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 83:15:19:15:5e:4d:bc:bb:61:f0:20:e7:73:ab:56:16:49:e1:5d:db
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ca:23:22:2d:77:7c:ce:91:08:a9:57:18:d3:d8:cf:e7:27:98:83:f1
Fingerprint (sha256): 9f:1d:0c:6a:46:9e:56:8f:b5:ff:96:57:3d:a9:ce:67:22:bb:a4:a9:e5:89:74:71:f6:b0:fa:0c:24:f2:30:de

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

Revocation information

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

Check the revocation status for certificate ujama.co

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ujama.co

Public Key Algorithm

RSA

Key Size

4096

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

ujama.co
www.ujama.co

Other certificates including the domain name ujama.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for ujama.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 330559815584116675866900810483571450642800
 . . . . . . . . [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 2024-03-03 06:22:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-01 06:22:16 +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 'ujama.co'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 749762432552338102180408138195962963980699301564201854462029532566828778876536790214811319693764882066626027755681999000960956088736327583465078222636259255167667344943157507033388005490203993749144910472519298939043311063106736535349900606729582715286455448602557690237816409441955857232644939043790131631504661825110954731840378801710696227836157239314474904331841565079386594560057026421597056936313994378136394611307335621253272351852431183380916497691280472150625910281893629973239947127267658804597446697427026130362824564803502001881554439011592746971236323565395671858766634867877661807254036259216081757535338245944075136899791054793395896246221087130435940244870943015221726296612136250868305100456265603347183106046575797323421180313743415465071267830302818047792543650143976694194491720275545892220624961907528865462951197811252752620611913888604543266979726211193364364421071825427821304597954907788144624848347510808256296436844214288961808286348935988949368974950216080417218660268179164109085488913182252080945980348564002047789482634112715775232757396480264357538652155114820845673920521715828033206999987805439150629095312728887338800037947878505488079011764705680625445590918766342519474821016599708749343166907839
 . . . . . . . . . . . . . . . . . . . . [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)
							831519155e4dbcbb61f020e773ab561649e15ddb
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ujama.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ujama.co'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e03312b180000040300473045022100ca908b34ed4d0b27a3061a771c16579b891628db7c4ac24826007b834da12395022072ee23a974c7fbf8d896fbf40247856976a1f4e166693c91d527a0f898a76f1e007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e03312b2d000004030047304502200f49741f6e6fabf75c0c6ec48e4a4316ba98d7537e0679bd48834f21f2aa8576022100c3058fe8228c55d6283c3e4bae6ccc966a801c5c9bad163454febae30497bbd4
 . . . . [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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