eugenspivak.com

Issued by R3

About this certificate

This digital certificate with serial number 04:44:a3:f4:6a:22:a9:6b:98:31:0c:81:d9:62:c5:e8:6f:33 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=eugenspivak.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:44:a3:f4:6a:22:a9:6b:98:31:0c:81:d9:62:c5:e8:6f:33
Serial Number (int): 371806277914092834440218808902162766655283
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 50:8a:ce:8f:b2:fe:d2:05:c3:d6:32:49:2c:db:bd:fc:31:25:01:49
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 05:30:41:e1:11:2b:64:10:d7:48:b0:25:a8:7e:7a:3d:52:f4:49:39
Fingerprint (sha256): cf:2d:9a:ed:fa:20:cd:78:92:a2:c5:c2:42:5e:f5:8f:40:a9:19:a9:9b:65:14:e2:de:92:ee:7f:53:d4:6c:95

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

Revocation information

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

Check the revocation status for certificate eugenspivak.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for eugenspivak.com

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

eugenspivak.com
www.eugenspivak.com

Other certificates including the domain name eugenspivak.com

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Certificate

The complete raw certificate details for eugenspivak.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA42swVHUWe1jj3Bb2Sowy
nWZWBgYd/MOS/wEGwzLhTl0Z1/g2ed9Y73CMxwG0DMztnBoQoDzXoPlxtPzLhWoy
nfv5lXyZdIDbm477SwLN2mDM1sCYuf0ZXtTNrioZGzvpKhdjv4p6/y8r32/Ofm8m
5Q/vcXjP4GFjKtglb8zcymzg5wMo68p1beyp0dIWYdXT+0HvjoLuWnJQG9iYkIvc
uHALIt9wnWmAdBxP4umhHgZ7J8tLZY1UuOjSAaW63e+LhVmL0UgbGJu1NPzjBvZu
tOo2s0tNGpJpPbC8XYvlZZY76VfDD+OIps6FbU874H1zmLzsgXI4j8UXtCbTp6yD
AQIDAQAB
-----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 371806277914092834440218808902162766655283
 . . . . . . . . [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 2023-08-03 19:40:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-01 19:40:10 +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 'eugenspivak.com'
 . . . . . . . . [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 28708951989010275160154601265806622203577130015432996345467705776704688872635184183797598929193893474806370701635660128543948103491090141838518541525492224758270348503347976789035587834544959444829053687662093292615172374541327864597326853925042559300911618008205081966391251908362474925300418001468979615238979859291262223802667057882458406712884218867897293945310896122257307490684774954485897159460230416541941436673599314996651659058559418145781896363529918159110216527129624899213040060421667411166156774708132391398885886262047259978002480661720194410592736877908652124650454934158109674620728353801643164992257
 . . . . . . . . . . . . . . . . . . . . [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)
							508ace8fb2fed205c3d632492cdbbdfc31250149
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'eugenspivak.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.eugenspivak.com'
 . . . . . . . . . . . . . . . . [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)
							00f0007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189bd211e2e0000040300463044021f7100a1e044879e09f33d709d3d6db9ff0285c93b68f80685847d0175714057022100af790be84958b5bbb3db8405af57c646fd65844e5731a6f0b2fc8e0ea29750d70077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189bd211e590000040300483046022100838611f09b32e268578e109ffb42889030461da30145af48a2f2170108514482022100db32136839a87be9f0b5482440c3532b126c0df11a629bd2f0b532506c2bad3d
 . . . . [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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