*.sfek.kz

Issued by R3

About this certificate

This digital certificate with serial number 04:63:f6:82:9a:83:38:e1:82:ca:2e:90:ef:2a:dc:d0:83:d4 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=*.sfek.kz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:63:f6:82:9a:83:38:e1:82:ca:2e:90:ef:2a:dc:d0:83:d4
Serial Number (int): 382464766271656165339918252295904287556564
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c5:c6:cc:52:4e:61:c2:fb:4d:24:30:e1:93:f2:ab:53:a5:78:7c:b0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c8:bb:e0:05:b4:8a:8f:ff:94:15:94:34:c3:72:9f:16:d9:c3:c4:51
Fingerprint (sha256): aa:80:76:b2:81:45:7b:5a:53:b0:9c:4a:04:31:03:d2:e1:2c:0a:84:ce:b4:a8:fa:7f:78:d6:db:7e:2c:5f:f7

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

Revocation information

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

Check the revocation status for certificate *.sfek.kz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.sfek.kz

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

*.sfek.kz
sfek.kz

Other certificates including the domain name sfek.kz

(limited to 100 certificates)
sfek.kz
stat.sfek.kz
sfek.kz
sfek.kz
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sfek.kz
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sfek.kz
student.sfek.kz
sfek.kz
sfek.cf
sfek.kz
sfek.kz
*.sfek.kz
sfek.kz
sfek.kz
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buh.sfek.kz
sfek.kz
buh.sfek.kz
student.sfek.kz
beta.sfek.kz
*.sfek.kz
*.sfek.kz
sfek.kz
sfek.cf
sfek.kz
sfek.kz
*.sfek.kz
sfek.kz
sfek.kz
sfek.kz
sfek.kz
sfek.kz
sfek.kz
sfek.kz

Certificate

The complete raw certificate details for *.sfek.kz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArNaaKaVUy+60vY59sLop
DgBk2zL3qR4kW24ZfSiFqmASalS9oMAio/T1SHK8PeVfv2R2nnQmlqBV7Km4K1N9
ExnF6qbGuW+qamH0xddBzVGiKbFP6rx93ZZM2wCEi8iQMfYIQCbCet4iK55Ml1aP
pUOLf95ecc7S88RB3y8lPNcJozcGaPyiFv8rutvOzE1y4jbVRttudSBwPxoI4m5m
2zrSx6VXy4maFkmeiICXzmAl1PYIN1ZBVgnJ1Gqdj/yJ8bzmewY2o6mm2pY2T3/P
isbjS53e/wo7+ZgjQ20XXp7kXB2bTjul2Mg77thYovBKT9C4q5FMVRqDPyNh0oSx
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 382464766271656165339918252295904287556564
 . . . . . . . . [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 2021-03-15 07:35:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-06-13 07:35:31 +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:12|false] UTF8String '*.sfek.kz'
 . . . . . . . . [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 21818812742103780816039743725191501556205559552728238683657023548436729795680339993766140514935249381073242949139989028707632147552813306102000750961959957611812350385175287542990701723610240014336868548729168074972362461960709718416995619884727623677521242673223108096894955359405912900511880314309579279211670334939249839445921936674661601270134274947382962028366089189145261566017852869652421234772854494092679305507058687876334232900178514339745913656578262349079331317605980467105528731160144245327265408028436080111380763011070921156716097393918378096183753842220824137139685527221168617262356685886600495018359
 . . . . . . . . . . . . . . . . . . . . [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)
							c5c6cc524e61c2fb4d2430e193f2ab53a5787cb0
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.sfek.kz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sfek.kz'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e3000001783506a7850000040300473045022100d6303f8c33bba6cf1d955d996efa86c6a369057fc63bb6b1b981c8dbefeffeb8022074055a720f687e67d30a84a14711375037716781c63ba70198e570a6a68985dc0076009420bc1e8ed58d6c88731f828b222c0dd1da4d5e6c4f943d61db4e2f584da2c2000001783506a78f0000040300473045022100b3b8138d642443def1f01f1e8f4cfe0fc989c2571795dd79cb2fa11454b00afd0220229da5129d6c952180fa22eb774b799de64e7c4d32ece4a13b807eb47b2b66f1
 . . . . [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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