a-sistem.net

Issued by R3

About this certificate

This digital certificate with serial number 03:e3:2e:8c:a0:c6:57:7a:88:73:90:f5:51:df:de:3d:84:fd 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=a-sistem.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e3:2e:8c:a0:c6:57:7a:88:73:90:f5:51:df:de:3d:84:fd
Serial Number (int): 338642829756599858243349023053369686459645
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8f:a6:af:c6:19:e1:fd:bd:a7:81:f1:90:95:d9:61:e6:79:cf:87:4e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c4:49:af:93:77:6e:ab:79:93:18:22:c8:e7:03:a2:54:1e:bb:14:b1
Fingerprint (sha256): 4e:aa:2f:85:e5:9f:d2:b0:17:1b:ae:39:48:82:67:b6:81:fc:db:fb:4a:d6:a7:69:8e:17:53:cb:52:de:ec:25

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

Revocation information

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

Check the revocation status for certificate a-sistem.net

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for a-sistem.net

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

*.a-sistem.net
a-sistem.net

Other certificates including the domain name a-sistem.net

(limited to 100 certificates)
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a-sistem.net

Certificate

The complete raw certificate details for a-sistem.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0epAzp2EFwmZl77WYWrN
LLRtfy5JNKh3Ph65aR6mtmxAQLCG0uBB5BIschh1Zhlqo6HORAsEzHqLsl3FvIba
4rWelKFWNOTcRKAjUT6+6ixWQ/Wz7aL3uYqHq5HZFjGReZSG/JNbVyzb66tTsuOH
YvNttl2eWy22DYTNu7WLAfwYOMWNRE85XMpV9Tu8mjumKEOWfV+oJcmhx7moCJWO
4CP0GquHL9vYo9Aw0Y8rM7WCQ6H2jWfmcw4UZaOOwb0NuzSco1R/wzqkyw5PFqxL
OyiwFCA68ax5nlPF2rENFqPcaftQ+IFgaaTqh5Pt0N0obg4yTDyEfwU5QVF4jvvn
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 338642829756599858243349023053369686459645
 . . . . . . . . [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 2023-11-01 09:49:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-30 09:49:20 +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 'a-sistem.net'
 . . . . . . . . [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 26499320272787916834985696313968464228462713362129823005682085898054738191999026383550170223456425881465805941650506188810766895698635285283310218654825863671927795049589814740102305116930519865526126429945773920426752186258025178749755183743914761261879388646111498799836241607429456248239370217227347449297546368913326498613908172056429865000273104252506969188431662344692737966455441860268135951691647666788085921692400617201358914037875127943448460978017012311479060678777050887393254911593020939036803847935070927766527090932616442035010694429208322820631826341993489913706630302108261291425930400789710753228747
 . . . . . . . . . . . . . . . . . . . . [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)
							8fa6afc619e1fdbda781f19095d961e679cf874e
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.a-sistem.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'a-sistem.net'
 . . . . . . . . . . . . . . . . [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)
							00f0007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b8a808a49000004030046304402200c095a3212fcefc2615b46c60353d436265501c0fc9715b67adf7675a519f9720220040cfa4fd07b37e9a0b7bc16fb9b82a5232edf2fd99194da6ed6241a47dfa530007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b8a808ab90000040300483046022100fbeb141d9e1be34ea126500dc5aa0cc8e239d2b5aa801558d3360de4ad46014b022100a8810f503f62a31fe60b894e47e5b3223942f25eaf20a681e1c2722058e8d5ea
 . . . . [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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