psh.techlib.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:44:e2:c4:0b:b7:fc:88:b2:86:06:8d:8a:cc:f2:fb:1b:07 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=psh.techlib.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:44:e2:c4:0b:b7:fc:88:b2:86:06:8d:8a:cc:f2:fb:1b:07
Serial Number (int): 371889768132579880775215288521142210075399
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d2:97:3b:68:a4:ea:da:8c:40:22:df:9b:c2:b7:11:cf:51:ed:1b:00
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1c:e4:43:3b:fe:69:01:13:c5:80:13:36:02:d3:bd:1f:63:42:76:93
Fingerprint (sha256): 73:e9:ef:f5:fa:3c:1c:5d:ca:88:e1:ce:3e:ae:70:02:61:38:86:e0:04:88:ab:ad:d5:54:2a:2a:46:62:ce:65

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

Revocation information

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

Check the revocation status for certificate psh.techlib.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for psh.techlib.cz

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

psh.ntkcz.cz
psh.techlib.cz

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stanik.techlib.cz
liber-lag2012.techlib.cz
caslin2013.techlib.cz
icolc.techlib.cz
bigclean.techlib.cz
bigclean.techlib.cz
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*.ezproxy.techlib.cz
old.techlib.cz
rs.techlib.cz
elag2011.techlib.cz
eod2013.techlib.cz
blog.techlib.cz
blog.techlib.cz
blog.techlib.cz
eod2013.techlib.cz
aleph.techlib.cz
nrgl.techlib.cz
psh.techlib.cz
old.techlib.cz
nejtek.techlib.cz
www.techlib.cz
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techlib.cz

Certificate

The complete raw certificate details for psh.techlib.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyUwHq1DS4ErvRaiGA1aH
45Fr0STiFMkSTsIJgs4L55WO9nBQEL8KhlSTk5cnqrdNHP2wJLcgi5Tu2ZD8icRA
abz/IA0gxcSTOpjSayMMeFQa3NuYSZIjFQUAoFay2P02aCHiQRE01e16QXfruZEl
rH7QKXJn5HCUh8p+Y7pHvdfx4LHBod3PzRpTVLXxC4NTAMp+lL9n6oBZdUhgwFvD
M2OZ5l+50CvIzJjIQsWQEJX3QHWgWJEnPoS/Zzc6Lqfc47Zk6IW+jrDbxlMnLKtN
OWI4F2e6KXGPNl6W0jKjvISO6iWUlP5KYX16h2Axu5w9OdCHmE7vgiISN45ytwWT
0wIDAQAB
-----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 371889768132579880775215288521142210075399
 . . . . . . . . [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 2023-08-30 11:20:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-28 11:20:22 +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 'psh.techlib.cz'
 . . . . . . . . [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 25411391067716408821057560976669810890572219329945257470701917550254662961871041752036740389004808825622937838547969272742744368399021335978049538719334462693856983319206164054770343811632726591152268148920179399076499674563620815164372010727045816770394474281170073023900557268994020530536958252739385452296646369052378577765824882903993418743125985470885011795062068025280767626166041216384140076527234677581651706676387417348224521690724795043051055393502588345987337307646925634020280861215952909101859126484710390039906083736711384649175457384483050017796138728120634596790667577306224734918829495676644660450259
 . . . . . . . . . . . . . . . . . . . . [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)
							d2973b68a4eada8c4022df9bc2b711cf51ed1b00
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'psh.ntkcz.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'psh.techlib.cz'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a46633e3d0000040300483046022100db1b514915d1d5105418f43bb8674f2db6afd6991d8a240a4b3712d5d4e774f8022100e611b3f48b3241a514d9bfdeeae484000130246d6be385653efbe149828fd1120076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a46633e4800000403004730450220409bede3db0f55022b8db6a185fb08f899bf3ad1dc66c41ffe8cdcecdc98f409022100eab07700c545f9d5f9d823d22c79f6f4e1db37b5f1a5c2512b29fd2ef9ca6651
 . . . . [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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