eugenspivak.com

Issued by R3

About this certificate

This digital certificate with serial number 03:1c:e5:34:66:9e:fc:d6:d5:a6:1a:53:4a:25:60:f3:5b:15 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=eugenspivak.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1c:e5:34:66:9e:fc:d6:d5:a6:1a:53:4a:25:60:f3:5b:15
Serial Number (int): 271169429360940485654030485297525091949333
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5e:e8:92:8c:f8:cf:42:bc:26:08:b4:75:42:6e:c8:ff:c9:c7:b0:e3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 96:12:eb:50:b8:0e:a5:88:38:77:d1:d7:33:36:06:02:a2:76:b8:18
Fingerprint (sha256): 6c:2b:ca:6d:4f:36:b7:8e:f6:67:9d:c2:03:b7:41:7d:eb:5f:73:99:60:ca:8b:4d:57:51:59:3f:1a:d9:2e:a3

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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client.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-----
MIIE/zCCA+egAwIBAgISAxzlNGae/NbVphpTSiVg81sVMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMzExODUwMjNaFw0yNDA0MzAxODUwMjJaMBoxGDAWBgNVBAMT
D2V1Z2Vuc3BpdmFrLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
ALBnSmTP/zozjrzcx8A1AdnJNEUUl25ptFODBPxPW82Zyv5K2WZtJmE3bhlB6pE2
WlUwp8qoh+0LOz7UXuJzJ2fs81GUDWor5iw3uzFWBRZgpEMmBDspeMK9jN7h9awk
L3AYuDxHXpmJWZCpQ44DqWUQ2ozI0lgiRtIRS2zUglN+o83S1U5+huP5KaVx28HN
7QwftkMMRUHNDML9FcEFnGN8a690cG1hwyWTQGAnET0ZZISKovQQe8EZ/vnnihQb
MxxilYVGHWeijU9bcdpICFbAgnuDHFahiC+oPO6NnsaLvEp/beztlnr9nnGNRQ09
xtj0vnpea03EIQn9stQumbMCAwEAAaOCAiUwggIhMA4GA1UdDwEB/wQEAwIFoDAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNV
HQ4EFgQUXuiSjPjPQrwmCLR1Qm7I/8nHsOMwHwYDVR0jBBgwFoAUFC6zF7dYVsuu
UAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8v
cjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9y
Zy8wLwYDVR0RBCgwJoIPZXVnZW5zcGl2YWsuY29tghN3d3cuZXVnZW5zcGl2YWsu
Y29tMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDv
AHUASLDja9qmRzQP5WoC+p0w6xxSActW3SyB2bu/qznYhHMAAAGNYRKUGAAABAMA
RjBEAiBiY0kyg/ylcd/kRVRsA1XBTItq2VGT8pvZGnZhm5pnywIgAObQ/vaaHuKI
umduRNDLBWj17re/Tl1jePfTMa97pLoAdgDuzdBk1dsazsVct520zROiModGfLzs
3sNRSFlGcR+1mwAAAY1hEpYZAAAEAwBHMEUCIGroxbHSIBsK7lA0FngufoFsAeIZ
tC5I3GSJFVq3Ap5IAiEAlk8QYxQXYsmqYhmY4NpY2jwV3ItbSotJi6/E73i+jpUw
DQYJKoZIhvcNAQELBQADggEBAKwVjCLY3Bd/S3yn3zSseYzesv/RPcBSnqIZF3fa
9zx8M6YTv6BeeAunkkiRtLQdqHMsTUpOC6+EAXoDTuWEs0o6C7JOUPGu/IIo8LQY
06NE+hkejIsAcO/6v7Bf3X3B2CNpYNwsodnhezFLiiVIeZyxusvEsu9BTiPIhp1v
adY9vDJ2r67YUJrUtU+rmNIGTzWx+U5GKzofSBujZK6O+aswQoIOAFVSBCvl8gDW
ugdIab7WNRa6i/dSs5vFUX45qK39TVmPZfinzo2nffU7khZ7NPztzcABE/yXBXep
lDcX4EbcrqPuDW4gSjuQfEkiT+/K4HzoUwbbKIAdP7J67b8=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsGdKZM//OjOOvNzHwDUB
2ck0RRSXbmm0U4ME/E9bzZnK/krZZm0mYTduGUHqkTZaVTCnyqiH7Qs7PtRe4nMn
Z+zzUZQNaivmLDe7MVYFFmCkQyYEOyl4wr2M3uH1rCQvcBi4PEdemYlZkKlDjgOp
ZRDajMjSWCJG0hFLbNSCU36jzdLVTn6G4/kppXHbwc3tDB+2QwxFQc0Mwv0VwQWc
Y3xrr3RwbWHDJZNAYCcRPRlkhIqi9BB7wRn++eeKFBszHGKVhUYdZ6KNT1tx2kgI
VsCCe4McVqGIL6g87o2exou8Sn9t7O2Wev2ecY1FDT3G2PS+el5rTcQhCf2y1C6Z
swIDAQAB
-----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 271169429360940485654030485297525091949333
 . . . . . . . . [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 2024-01-31 18:50:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-30 18:50:22 +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 22268876167623779501737959481207358630307851660002588244733424790604232556898073701558438038593068878669688302208964262995046514168662048704129270543940847270330624093433301790367988545182365488439236499254352569584106238857809810479326507623133600312804123625735373841637453993898464896502077244132491814070588430586737460923218081629905887221725108652917148005636829879810286298401756761483942742993416066682114898536695079827046968997158338477366381226163494528869673382035916080477159364591531735255758271775316238315582624340111083084783227098680428629063211717922773942203366526433904204932327592018050370410931
 . . . . . . . . . . . . . . . . . . . . [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)
							5ee8928cf8cf42bc2608b475426ec8ffc9c7b0e3
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d61129418000004030046304402206263493283fca571dfe445546c0355c14c8b6ad95193f29bd91a76619b9a67cb022000e6d0fef69a1ee288ba676e44d0cb0568f5eeb7bf4e5d6378f7d331af7ba4ba007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d61129619000004030047304502206ae8c5b1d2201b0aee503416782e7e816c01e219b42e48dc6489155ab7029e48022100964f1063141762c9aa621998e0da58da3c15dc8b5b4a8b498bafc4ef78be8e95
 . . . . [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)
		00ac158c22d8dc177f4b7ca7df34ac798cdeb2ffd13dc0529ea2191777daf73c7c33a613bfa05e780ba7924891b4b41da8732c4d4a4e0baf84017a034ee584b34a3a0bb24e50f1aefc8228f0b418d3a344fa191e8c8b0070effabfb05fdd7dc1d8236960dc2ca1d9e17b314b8a2548799cb1bacbc4b2ef414e23c8869d6f69d63dbc3276afaed8509ad4b54fab98d2064f35b1f94e462b3a1f481ba364ae8ef9ab3042820e005552042be5f200d6ba074869bed63516ba8bf752b39bc5517e39a8adfd4d598f65f8a7ce8da77df53b92167b34fcedcdc00113fc970577a9943717e046dcaea3ee0d6e204a3b907c49224fefcae07ce85306db28801d3fb27aedbf