www.deffi.ua

Issued by R3

About this certificate

This digital certificate with serial number 04:e4:9c:32:fa:8e:06:00:9b:e8:c3:0b:4e:b9:c6:5b:ee:b7 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=www.deffi.ua

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e4:9c:32:fa:8e:06:00:9b:e8:c3:0b:4e:b9:c6:5b:ee:b7
Serial Number (int): 426241147649054987509962002809819974332087
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 12:39:cd:1f:bc:84:76:5e:38:f5:84:70:f6:bb:b3:53:ca:5b:69:85
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3f:d9:88:d2:48:6d:93:05:31:f7:c5:52:29:1c:83:15:7c:3b:67:35
Fingerprint (sha256): 21:4a:5e:7d:38:3c:58:c1:d0:c7:34:2f:2f:e6:82:47:f6:cc:a9:ae:89:ae:26:ad:fa:81:8f:e5:4c:55:f0:71

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

Revocation information

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

Check the revocation status for certificate www.deffi.ua

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.deffi.ua

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

deffi.ua
www.deffi.ua

Other certificates including the domain name deffi.ua

(limited to 100 certificates)
www.deffi.ua
test.deffi.ua
test.deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
www.deffi.ua
test.deffi.ua
www.deffi.ua

Certificate

The complete raw certificate details for www.deffi.ua in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA08T+7q3hTrQWJLlTCRct
2qo1qs622r+x410lByLmeg+918Dyecxi4vClfdthpNzqkNC7EdVqOGmgcE4Cf2Fx
bR4fopFVlqTMq8IURW7dchASDqJrbky67lt721NI+OEkDc0uYLbA60Vsfo8/pYmv
mBRuR4eQvDKGIwCowGbu/7fW2cGQk8oTHmGXQiwy3LXgR6T2oR59pJ5Nydw+MWGQ
iqpCIq0EebBxsZIChfHWhG1cmC28WgrSsFYBEoAOUHYDTDMVAE1I9J5Nh+5L6Hjk
As7hBFSsNZmX11SJR+LqDEGCrQciyPfKOBk7rOWPxGjwI5vObQfg2cyqeQQvrXMt
dQIDAQAB
-----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 426241147649054987509962002809819974332087
 . . . . . . . . [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 2023-12-20 19:09:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-19 19:09:01 +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 'www.deffi.ua'
 . . . . . . . . [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 26733424611884816132756924462451302920649563332477775764590838325345934293705325175285126438270623336114205598731368946777012053085036705234366332711404904548815933377963956881065339063909882459065443926467325253968851222618250357583594666239726253525978790809482632620366297122280208320356732621014684667489878491072702464780580253415440294379377815314209645238417607879754635624508319003669238958765466863139521374229390188548382289729278052015195742112748761830845976163737693580170640485979732949094259684543451923923453990591776045783430795740549278232088793742868140331895117050009737855496250711497693788843381
 . . . . . . . . . . . . . . . . . . . . [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)
							1239cd1fbc84765e38f58470f6bbb353ca5b6985
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'deffi.ua'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.deffi.ua'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c88d88e560000040300473045022100c37335d104fccd3ad40cc709dd2fcbcd8da4c91997f4bbaf2337646dbe7fa66202204243b52d4ad5983b34c9f61e6f1dc91844df5a23c68bbb057f0d714d3e54e95a007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c88d88e5b000004030047304502200ea0a5d114e4d0537c79230a6b500ce214a198b87ec7329fc203ea63663e6dfc022100c530bd157e1cb7fbf396eac35ec7d9137ccfa95c406c9985f3901595e956d808
 . . . . [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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