ujama.co

Issued by R3

About this certificate

This digital certificate with serial number 03:c6:ed:0f:b6:94:cb:27:38:c2:d1:d7:7f:5b:79:a4:1a:7c 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:c6:ed:0f:b6:94:cb:27:38:c2:d1:d7:7f:5b:79:a4:1a:7c
Serial Number (int): 329027875068267647579774650236857219291772
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 13:41:07:ef:64:66:c8:dd:a5:5e:63:a2:bb:23:7a:f6:54:c6:b5:ad
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fb:14:2d:62:18:62:9e:9b:4c:77:26:16:27:a7:23:34:80:05:aa:65
Fingerprint (sha256): 70:69:3b:75:c6:2b:87:de:09:eb:e7:4c:3c:9c:fc:c9:e9:14:b4:8c:18:93:84:b5:47:3d:10:e3:3a:94:c8:6e

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAt8gFj5+thObiwzWV2581
4FFtrZ9Apvmq7PLzSmox8RoAIN7nBl9Ela+iyZpQRXoxTDXWap/L0QfTFnTe5IFJ
eoMfihORXh0Y4fvmbekhF6QFcL37pP+eVp37gq7apM1PLJO2C+i84o0nxg51P/Y+
3OmmToDpLYQiqyHDEG6uCYKsK6gr6vGfjc6ZQx3Ya72lDn9Q4yP5tBHZHCbAchty
Tx0DzkY+AR1J5yQrns52fCMw/RB6tIaemrqlUtEihMk51ShdGutTBzt+rjcpsULD
485yBIiNEhiBFFoz45qC84/YrC+VrJEzlLe/d16O92LuDp11b70UjQ1qGq+9whIf
CW/G6OsNd9Sch8qYVwkKZP5b0cLZtBDYq82ntHZt7ai8KkbuyEUy4UXBgugkMI2/
X5brMtDFwI50ROQDiJQbLNhggVBvw816CJQ0dK6sV/RCMKmIeVQ9nVWIcHdG9Vht
eX8ftTT+djZ9axF7wOuilWVKNoDsEeVRxpb0W/b23MMPOvv2g0XDLzmv/bg+jQQB
75RtRSmpuQO04m9BN+gEL1wSmH8XVwPg9Eoh4q9h++qEti92r57gneX2I/InTZD+
eI/5kvMTMbjUtM3WiAy6Ena9Nf9hIXQUJRMpBa5JxkGWVey+C3siFo1VbZaBVeCB
tJV3uuobCCq+1BWrfvw9Rb8CAwEAAQ==
-----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 329027875068267647579774650236857219291772
 . . . . . . . . [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 2024-01-03 06:26:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-02 06:26:53 +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)
							134107ef6466c8dda55e63a2bb237af654c6b5ad
 . . . . . . . . . . . . . . . . [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)
							00f0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cce37d5290000040300473045022100af1ee0646c102be21d06f53b935cf645242d1d7e7501ebfea67cf1c80589b3bc02201611485efc16ee2aa214616b3aef7fda15c62803955ab2f866f39c93622b492b00760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018cce37d6750000040300473045022047d06aa72f8d0428ee80200cc40277189edd248caeb60d7d33623e8ceb66abb9022100930fbd7805853de8835a571583a5d4534ed7147384dc001a6327710f350ebb41
 . . . . [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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