promiseq.com

Issued by R3

About this certificate

This digital certificate with serial number 03:dd:2a:17:16:5e:c2:5a:50:1d:25:44:69:bf:a3:6a:61:e6 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): 03:dd:2a:17:16:5e:c2:5a:50:1d:25:44:69:bf:a3:6a:61:e6
Serial Number (int): 336595208337179460963208565763815913447910
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d8:f9:10:12:34:5a:8b:a1:c9:6b:fb:1c:9d:b4:8d:d3:5e:a1:20:62
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 41:f7:b4:60:83:ad:df:b0:55:d9:d9:03:2d:d6:5d:fc:04:45:91:35
Fingerprint (sha256): 04:94:2d:c1:e1:87:87:87:89:6d:86:2f:db:87:ee:e5:b8:fc:f3:9c:56:7d:bb:bd:bd:c8:34:ba:ee:f5:5d:eb

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8O/xNOHLnF7iXHqBAXkK
9zpXAJ7JPVKyjcfpIx/ptjUjrQ5o/D71P58rIX8+SZImMZ0BmToStDyYwfs8VFTQ
rQKsjGzedaiUL10SeGDH5rGrCV786XtrO0tpK6YSz2SkRmgn1eL1NIzkvk5zmS1t
eqN5KBU8u/43TEfXPJBIitXkua/UqTklM3ACwDhh+oVkOVlzrC9x6hY4xQxHdpxf
ctMQ/9Wguu5DmR1WrWhbebLkjKOiMX+o+GTWY3Xdg6AeWiGNizsXLB73tdhLv6gl
tUoFT8FzyLxnp4SioDMZo1HDjiNX9NVbzM2tDX4ZNJEW1N9wpgb11vtS+RKGyFQD
YwIDAQAB
-----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 336595208337179460963208565763815913447910
 . . . . . . . . [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 2023-12-21 03:02:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-20 03:02:04 +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 30415513107009597898178667619939742696673336523986043309300861685520431198302616300170376558169463341439919148334600730673851183274599760896101105896999955487007192048470444886232986182921814638330957371068454556103308858929747225310554689734732583014501542075299838668976756170629912821099253751536383769722827305696622510695798351470791524457998087605563747971152267083457324312339713526512464276331329324232963774344446466832154235521274793823307399265012458838380005752198953221102475518685596008354709779640242854092415693465316294051403104594608974037771034115444571520954910320309987385409623033348054079243107
 . . . . . . . . . . . . . . . . . . . . [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)
							d8f91012345a8ba1c96bfb1c9db48dd35ea12062
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c8a89a553000004030047304502204b12916bc6fe52a3a173cd1d56b0e3b242b488f938bcd351899d2f938581e035022100b885d2c290476605fdec8a4e921b89d572a4c27574012063d44eda8df77ce6a400770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c8a89a73e0000040300483046022100f21ae70a94926ea26071d3b39d8f3c19344a9a18a0bcdd71edab0208b264057a022100f24b6ab17d41ab57b771d49cf9383e415d27b4bb4ae9c80b0af8a775fc2ade5c
 . . . . [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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