atyum.com

Issued by R3

About this certificate

This digital certificate with serial number 03:90:e1:ea:61:50:db:62:1e:c4:b7:c1:25:7a:6f:74:f8:86 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=atyum.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:90:e1:ea:61:50:db:62:1e:c4:b7:c1:25:7a:6f:74:f8:86
Serial Number (int): 310637811902212262292200246866677123577990
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: de:f1:6b:f8:df:5c:d1:96:02:53:3a:e9:23:46:ce:72:ea:40:00:2b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c4:3d:c0:17:a8:41:ab:97:d7:57:02:a3:bb:37:17:80:df:e9:98:a3
Fingerprint (sha256): 73:94:24:6c:5d:0d:00:ce:f3:96:d2:4e:d4:58:c6:18:55:83:8a:1b:0d:35:94:ba:fd:25:89:44:23:dc:36:b8

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

Revocation information

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

Check the revocation status for certificate atyum.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for atyum.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

atyum.com
www.atyum.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2AuWvS8326TD5PnLbmnC
TgZpuqqQdTOJ1ftSAlk53WjT6wG73otqB0fD+tQe8+5opJlteEUGjWVwaPxQe0cY
3hS0CVtaZTIsnXXk+inxgU/3iDL4P3GKPxA6fv9bUaGA1ppvK3XZkiW+i5TPv1Q/
ZzT+pGHDPggZis1fzymBn0VFIbxsOzL+KbKPt3FiXFSU5PqdEbVltI+nnuANt01H
3bqIziva2dgfv5eB1Hn1PKXEK8lhk43DEMaREK+WedThcqg6zEwppK0NXTwq91jo
i+EzV57pofKeP1LbPvfey8Lh6cS8z3seu5ETsEcvxm1i9DjvauiCyNysZ+07f3IS
dwIDAQAB
-----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 310637811902212262292200246866677123577990
 . . . . . . . . [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 2023-09-30 05:38:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-29 05:38:17 +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 'atyum.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 27273188534882661855467270155766630660027826276500234518367601584992588333974306449340230929144157779339940353232651807787693485582056935132661415504759625983150237272406236769405517428725352057344437537405115203377991223491924139287125886552326566807899555325459829117982201160758921903491981269778975531494658183946077685980652154231090476880020759643985471451706003445034292241026609620147418172622696480167277471698520842450459954137167841011460123566600793543048560181880366624563521931806416803643752126700585334510778273328258684734959685306630201010890455239128950884324354934939806072905845662271379210375799
 . . . . . . . . . . . . . . . . . . . . [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)
							def16bf8df5cd19602533ae92346ce72ea40002b
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'atyum.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.atyum.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ae4cf323f0000040300473045022100f1ac8f87e2daf8ab2aa40a5ab70dc523a3bb2e9ed6a39c65ac7e5b25046ca47502207622ac5029d54db3e6a668a9819598a529c299fc3bb6d09cfd62b176b603d107007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ae4cf32fc00000403004730450220411c0ce7ef526226ebbb602367ab83e39a8f9910ed3c8a1de6295aa2ed1b27db022100d755cda5d2eef5db86041c68e112c83e016c59f262c652e803e9447f59c6685e
 . . . . [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)
		006c5cfb34eb8da938f21acbc9fcd237ba62a76ad95202f6e70de5732ebe9daabbf4a994f889d70e720a3bb171a6b0f1125a2f69542a1f45c63f5cf736cfa0e7f13a415a95e8845085b1fd88ed49264cd3dc1a8c6b04689e81c478f20e17812c517fdc393e248766f908a653db511d5f775cb77e3303fd30511a55360b67238e479d911dcfc03bc432382d9663cb3ef4f9fd818e331be4404d813e4eaa160ba79c324bf174671bca5fac15e1ba8075e28fe73ab7c4cc7f6035193efb02c6d18e2d711589d20bb19bf24ebdd57c3a887a3cbf107a4867097ef69d96f2856c26775a0c8e79dbb753a5f31a2593423c7b96383cd49dea50e675d763be0118bb501421