alxa.sk

Issued by R3

About this certificate

This digital certificate with serial number 03:da:60:79:fa:50:3c:bc:89:ae:0a:b3:c3:a7:53:a1:ed:de 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=alxa.sk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:da:60:79:fa:50:3c:bc:89:ae:0a:b3:c3:a7:53:a1:ed:de
Serial Number (int): 335646653016520010555706014641322371182046
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: de:d2:23:03:0e:71:02:7a:45:5f:d3:08:1a:f9:d4:b8:91:6a:5e:d7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 28:ee:22:fc:ba:dd:ee:f7:b3:58:02:72:54:12:b5:1b:af:95:29:62
Fingerprint (sha256): 23:07:02:83:90:25:c4:c2:e4:14:69:5e:54:d4:7b:35:81:03:47:2f:74:9d:5e:d0:71:c6:80:eb:15:b9:75:22

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

Revocation information

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

Check the revocation status for certificate alxa.sk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for alxa.sk

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

*.alxa.sk
alxa.sk

Other certificates including the domain name alxa.sk

(limited to 100 certificates)
auth.google.rotadosucesso.com
www.desksms.app
keys-test.lark.cloud
www.michelbureau.com
alxa.sk
www.alxa.sk
alxa.sk
training.meduniqa.at
buffer.academy
alxa.sk
www.alxa.sk
www.onthewaytoolson.wedding
alxa.sk
alxa.sk
nutritionandcare.co
alxa.sk
www.hashamalam.dev

Certificate

The complete raw certificate details for alxa.sk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAumIZ3e6s7RpJOHltVx9o
MRhejpvHs2do20H42sfNEf5Zatb7GK9BCLpIbO4zyr+PTdYT5ircNh+7C5LstMxV
LUSL5fEAVI2RHKvaGac7F4Kwtgan0aLvl24YIlyJzB1QKhK+5w3oeL5A7a9M/fl/
7bW+dYCNDBbc2ZJinVzTZ3ZunU4gIhprfsuZzMLhk53fUgFaDcOyX6PLQK2WNbtT
r2PUuXiZIBB62OK1yUPrfrP+SuIzTn4yMD846QTjhGqsoJbx9wPfbGdnLhnY4MJ1
Z9+b+I/Vakyd3kLnsWnQYHh2sn5yZKsw5mbOTJinNODjYAU6I1FFRPyGX3Hwmq9h
sQIDAQAB
-----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 335646653016520010555706014641322371182046
 . . . . . . . . [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 2023-12-03 03:52:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-02 03:52:33 +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 'alxa.sk'
 . . . . . . . . [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 23528700150803625785502009226764369563398761070776376803402785450372095531759516914157148525935021001129487804591147226988113231255741055519102776833670867894456535356270622757932777411269515728305821822462287312469290748162954005930610606636108499814678141153452329708964719985768379761898957540867407546336225848852202740875654650361241506002935603772744250574432676842156414716159618339365646685655106691974293595270501829268457599566191770849783374980548498965712744663179027639280776068506207182614272509303801616547272115003549708093835172876869226344058164401718880713165550976771226888129236178532182986285489
 . . . . . . . . . . . . . . . . . . . . [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)
							ded223030e71027a455fd3081af9d4b8916a5ed7
 . . . . . . . . . . . . . . . . [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 '*.alxa.sk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alxa.sk'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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