esafirs.sk

Issued by R3

About this certificate

This digital certificate with serial number 03:3e:9f:15:cd:8b:db:84:03:c0:2a:33:d7:08:c4:72:c8:98 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=esafirs.sk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3e:9f:15:cd:8b:db:84:03:c0:2a:33:d7:08:c4:72:c8:98
Serial Number (int): 282645825002917375680918987488533245249688
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e9:70:18:da:6c:bb:75:6c:77:a2:87:c0:79:9c:a2:20:3d:5a:b0:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d5:2d:d2:bc:93:c1:8c:6f:dc:4a:2f:1c:5e:2a:65:ea:91:02:e0:f3
Fingerprint (sha256): 63:e4:77:47:99:e7:02:b1:35:e1:7f:95:21:e7:f2:c9:a5:7b:98:bc:43:0f:6c:57:a3:3b:2a:88:5b:d5:98:ed

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

Revocation information

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

Check the revocation status for certificate esafirs.sk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for esafirs.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

esafirs.sk
www.esafirs.sk

Other certificates including the domain name esafirs.sk

(limited to 100 certificates)
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
www.esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk
esafirs.sk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxB7gJb/p5Nh/QGi0QqkI
FFTtdmU7jM01hh/lS19cCGZGbJv3lpW2QLPwTludK2er10sUMYSy9WAtX/CSNzaf
ZCk0mZbj6igTzaI/LVhc5+XUwIp51IsqWHMAP3M9P5v33Yibj+ZlftKaRaiiG3km
r2XHxcBI6Y+xpY2GoKEwLHRc9yw/F3COckcxicVyFq3qWYuYWEZu3gh/A1Krk4l1
08vuh6BdEA/Xk1o7Uj3+PANeHPXfq06S+aUTnuOmdovnY2zg3QbCu1ZDcQBVqw2c
rkEBDwJDFe6W0VRMYZperj9FaVZmkMu+6zj7CEUf7CFfauHuKSO6BA16ERHLTpE/
xwIDAQAB
-----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 282645825002917375680918987488533245249688
 . . . . . . . . [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 2023-11-06 08:14:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-04 08:14:33 +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 'esafirs.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 24757933087335285853400585763986723056518493144752485881949968395815665613595705181383479695444787010102565976039031134909572394118251754172412928316994290924174676516718454364083924174502542828092132545534315648295913030710710652454319451004029659283927858446299762451773513479082167740341175786991109167492443344016184393489449143760229938704566090652337459256695520223313801209854043240446511144859871297398582145434948174548550377687563673275835938453097712068896141368019081610300178535190741204602906702281097701507677909603979907081761413291493650909885070125278574262717075426724947042523724135401405767827399
 . . . . . . . . . . . . . . . . . . . . [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)
							e97018da6cbb756c77a287c0799ca2203d5ab0cd
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'esafirs.sk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.esafirs.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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ba3e98f540000040300473045022100a79a5549b46e2baec98b0e2fde5567f0cb8193726751ff9abbf5f4773f6fdb65022001d6cbd804f4a13bdef6a837e01d5597c746fd2e8a2e856be491acf42a26bedf00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ba3e98fad0000040300473045022100a7088dad1cbee4130abc3c63b756a47abdabb5e219ef8e62768d993ba978aa2d0220051e40abc5d69b53f538df6c3b5c457ee0a38d45f11aaf1dedf1ba439020892c
 . . . . [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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