promiseq.com

Issued by R3

About this certificate

This digital certificate with serial number 04:9f:e3:5a:91:82:b0:05:6c:b2:a5:69:32:b9:5b:81:9a:68 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:
  • 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=promiseq.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9f:e3:5a:91:82:b0:05:6c:b2:a5:69:32:b9:5b:81:9a:68
Serial Number (int): 402856245080534175890823142412591128746600
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c7:b7:20:3b:95:fe:03:1a:82:08:54:55:9a:1c:46:fa:02:38:c5:08
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7b:c6:d7:b9:47:9d:dd:5d:96:6d:85:ab:00:7a:2c:ea:71:c0:b0:a4
Fingerprint (sha256): 5d:21:5d:81:c3:a4:0b:9c:68:dd:a3:c5:11:c5:61:d7:64:c1:c3:5a:53:bd:95:0b:80:ec:4e:6c:a0:fc:f7:ad

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

Revocation information

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

Check the revocation status for certificate promiseq.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for promiseq.com

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

promiseq.com

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Certificate

The complete raw certificate details for promiseq.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE5DCCA8ygAwIBAgISBJ/jWpGCsAVssqVpMrlbgZpoMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEwMDIxMjQxMzRaFw0yMzEyMzExMjQxMzNaMBcxFTATBgNVBAMT
DHByb21pc2VxLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANoq
ddECDz+7XCb85a6kMqq/5oxl5Hb/9D/BFPk3RbihYV4LsXShusK5ghfgIcGXi3Fb
1rFG8CzzCy4eUIx9br4ZmqmB60SLenlwyN1CXYME09ebb2+2LcD07cBu8bwhII3Q
MLrbXYjBY+Hhp+k4Haewn9iygxrbtaVLegrmj7OVTu1dkkl/5yZHGaaffh66P7O/
wA9ADteeht7EtDotPFzfzzRNyKsZtNkXhn6d6gKYAkFSXOLG2Yt44xAw4Sb9UGEf
7z5ledLzyPoXIm0gLZQTiJFYV8kRFjLoOzD7IQ5otZCgj09Dpi4/aWZazzX80sIP
EOOfHM4162nRqJCxvlECAwEAAaOCAg0wggIJMA4GA1UdDwEB/wQEAwIFoDAdBgNV
HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E
FgQUx7cgO5X+AxqCCFRVmhxG+gI4xQgwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA
5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu
by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w
FwYDVR0RBBAwDoIMcHJvbWlzZXEuY29tMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIB
AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAtz77JN+cTbp18jnFulj0bF38Qs96nzXE
nh0JgSXttJkAAAGK8J9uUQAABAMARzBFAiBODZa/xK7Qw1+NnbAOVNbRQOTFYmD/
u0knsN31jpvwzgIhAKl7RFRHmiVv2qNcI9ok1HoXnDxutfJ14OY9/PzFyEEmAHUA
ejKMVNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGK8J9uZAAABAMARjBE
AiAFHcFPtcvzMV0kR/mp1ZwzbWhzELZxuKAB2NmZlrE/5gIgRojlSBDvW88Jo2dp
Ixr8yMhTixWrxQWrKMiJ7NMf3RYwDQYJKoZIhvcNAQELBQADggEBAHgKEbsph035
bO3jB1nCV/UdKa7ij1PVdwg1Yk7zD2Jc+um6bEA8/7L0dLOMaLKzqcGEQR8ul8wm
tpN5LyovT/EkW13c/9Y6wuoil4/lZ0EmuDHuiARfPSANZkT02HIqZDbYL7qM62dl
cF0sEYJYUf6FDWp7Ee0Ufm1e4szSD+wPTS9CZZUDvoV372ne0qHIt5TgqkIQLxBH
nt2shCH+POsVogBSQiheqhsAG5Ys7G+NA7ZMDuu5hipr86nfZlrN3ZuamtX7qafJ
8CJfA4pR6/MjwMaLmYLILTe3nu388kzCXlu7gngXLwNe7TDOe61YoF5l9gAMRKB+
/QkbISdiLSY=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ip10QIPP7tcJvzlrqQy
qr/mjGXkdv/0P8EU+TdFuKFhXguxdKG6wrmCF+AhwZeLcVvWsUbwLPMLLh5QjH1u
vhmaqYHrRIt6eXDI3UJdgwTT15tvb7YtwPTtwG7xvCEgjdAwuttdiMFj4eGn6Tgd
p7Cf2LKDGtu1pUt6CuaPs5VO7V2SSX/nJkcZpp9+Hro/s7/AD0AO156G3sS0Oi08
XN/PNE3Iqxm02ReGfp3qApgCQVJc4sbZi3jjEDDhJv1QYR/vPmV50vPI+hcibSAt
lBOIkVhXyREWMug7MPshDmi1kKCPT0OmLj9pZlrPNfzSwg8Q458czjXradGokLG+
UQIDAQAB
-----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 402856245080534175890823142412591128746600
 . . . . . . . . [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 2023-10-02 12:41:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-31 12:41:33 +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 'promiseq.com'
 . . . . . . . . [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 27540888397676226450967780365455877770830136054401489767348327168976120041208785636776504866550074970084323606332763160524124503854187472618575330274758172853092628377387371786166736614675479445453418997498486184924864939107785556158788594691101425130812907829931904478321035978085497866446753926182912606970531881307127466205829440906198835252449615041320440826264189988158665419144431482252316702690690574191480455160691175174453066801538269794439303324246321054258601636436545871071207135926797679166227704728425754041287911299305868770292177761693678220450801460483745229180208361347647949588797556927284693286481
 . . . . . . . . . . . . . . . . . . . . [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)
							c7b7203b95fe031a820854559a1c46fa0238c508
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'promiseq.com'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018af09f6e51000004030047304502204e0d96bfc4aed0c35f8d9db00e54d6d140e4c56260ffbb4927b0ddf58e9bf0ce022100a97b4454479a256fdaa35c23da24d47a179c3c6eb5f275e0e63dfcfcc5c841260075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018af09f6e6400000403004630440220051dc14fb5cbf3315d2447f9a9d59c336d687310b671b8a001d8d99996b13fe602204688e54810ef5bcf09a36769231afcc8c8538b15abc505ab28c889ecd31fdd16
 . . . . [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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