indico.techlib.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8f:6b:a7:f2:ee:78:4d:44:dd:06:1e:4a:fb:b4:c3:88:08 was issued on by Let's Encrypt.

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=indico.techlib.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8f:6b:a7:f2:ee:78:4d:44:dd:06:1e:4a:fb:b4:c3:88:08
Serial Number (int): 310140335701335959905512858143553659045896
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:2a:b3:0f:00:66:e2:ff:95:0c:f0:49:3e:62:f6:be:70:f1:92:ae
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 00:4f:97:ac:30:aa:7c:d0:45:b1:78:71:da:b8:3b:b7:8d:d7:4c:8e
Fingerprint (sha256): 14:7d:79:f8:8e:3d:3f:46:f2:dd:d4:fb:19:b5:35:b1:e1:66:a8:b6:39:6f:7c:ba:bf:2b:67:7f:0c:f6:77:cb

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate indico.techlib.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for indico.techlib.cz

Public Key Algorithm

RSA

Key Size

4096

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

indico.techlib.cz

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rs.techlib.cz
elag2011.techlib.cz
eod2013.techlib.cz
blog.techlib.cz
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eod2013.techlib.cz
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nrgl.techlib.cz
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techlib.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 310140335701335959905512858143553659045896
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-14 21:03:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-12 21:03:13 +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 'indico.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 712054128862052910255992971906898623528612358402469379636012888550842003241470159173900287125096921583024265157847544980944756351626726006231670368242081086911786466610849541401595529606283939052176875773202301519428136858488089448131903071227226198734659731250213393098969791605431151206332954390322544904009734068646872242725979182971692376241116041525167410346685463206064439685351931389712147373163734643369577658262997556016943903189853035846760134030123082402955960313731102980012934073248096723826176448620948225648018814693700092854911017091364674150242210267146659160635660257105535799924158385152756306944890237498134412134845123223538785632973292816549654349893666034405336967295714855215769379321008926846289944671111482948460239731766106862731407876701830661561688102348451475215658358922761910836111449881166412792617083562296907327654641712801722244089529057121002383898064070979991713871080497781153572350443687518878023672027671783932035967373542393722319259218335252512987760922970936497123445581187128927704621892222870293458869138759543616199091634291925939257099754612695195992388744287509606332269519311024190227750650578508077623494067160130127254896775493221735836528216371405735301557006059270084620933725727
 . . . . . . . . . . . . . . . . . . . . [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)
							522ab30f0066e2ff950cf0493e62f6be70f192ae
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'indico.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dcc4bf7a9000004030047304502207e2688933c45b6fc9085c0cbc011a15f308921d40d3f56cf77020bb7018e72940221009022bfdf499dae4ec7fa78bfe4407414dfaf6cee9a6e17dc01d9ca184a33ef29007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dcc4bf7a40000040300483046022100f52dbe894826a673f1716c6b87357c7e4008bb54415451ef3686617a80022ed1022100f31a4201e9c4d761495593cb0ba3700a21ad270e902e983ff6894fbea9960cf2
 . . . . [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)
		008cdc337852742f5e79d27aecd52a36a8464f4ca312a03512526f67b02011f56f7340834cd8caf275d372bdc4f6709dff2c88c613974e42a1dea6b6a5d3ebed3746edb4c22129e026a647ccb017266b2d80afa5c0069a8b03bb67b67d56408fdbb6d4ff814fb7e18679b6618a8176d243cbee6603e7530a0c3d5b2baacbf25528540f9bb3716d169445a7a8376876dec8b6c961a6eec991dcc2f88ad9be0a06c0aab414545b7be256a572fbb367990f4c426f8812d7bbd0e487dc8fa01d50020176202d39ad18460c6c99ae25f870fe3fabecd563aeb89627c1ff16be4a82d85bce2c993bff840192407eaefd677fed5ff5d42486b79d189ea579874fa5fca3d4