bamboo.sk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:67:19:3f:56:e7:37:90:96:1a:d8:0e:89:86:d5:24:ff:c7 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=bamboo.sk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:67:19:3f:56:e7:37:90:96:1a:d8:0e:89:86:d5:24:ff:c7
Serial Number (int): 296419501165340240192109548908336436805575
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 91:4d:36:d5:96:4e:0a:ba:89:d7:af:ea:49:32:62:da:7b:ea:02:43
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 22:4c:3d:a6:6c:6d:66:dd:eb:3e:82:f2:fe:6e:99:b0:e1:3f:c0:52
Fingerprint (sha256): 26:c9:ec:87:94:90:ee:b7:dc:64:d8:93:ae:1a:ef:77:a6:49:b5:b7:31:5b:6d:b8:72:bf:a9:e9:13:40:27:49

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 bamboo.sk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bamboo.sk

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

bamboo.sk
www.bamboo.sk

Other certificates including the domain name bamboo.sk

(limited to 100 certificates)

Certificate

The complete raw certificate details for bamboo.sk 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 296419501165340240192109548908336436805575
 . . . . . . . . [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 2020-01-01 10:27:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 10:27:12 +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 'bamboo.sk'
 . . . . . . . . [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 967885391443495295883754967071183050266743760387481196222174776418676279584537473336967692176834693812634286262610401141448647400786291801690059658730315450442745953576280899011522816994986827487230971085922867614136500470197000104309249744593578755669688548613132096014511392413924452747375825508045658270950325510078964988038527089820487744055323072554681143578730197973051726264872417838870211653062497055066767183454413047523555641446848482551113000239475348474421881297116330466378975004278979472084999152153581014176085173829151586392002205307256853569673879840153871419027367979130952455823486868994723610186430032620382649088109304554145821397203638181051184017160626202793482784652966060016988628641357544886827537821040227874665070585868226097696519769183380563662840287065733899603371044825410365458074498173307170339926839567734086996871864778353426416110364195342816145882897916499301441732764829156566779160142295402950536945627120892695100250415541440453768718728073802525349824331986036664352082201636696433811915113920630036768107500222874052320501010188989113062451918568884548615490536971638610617328926948845766850580232716114079552598681055259080632639269774298385598050010258080001677031131355702232408286813081
 . . . . . . . . . . . . . . . . . . . . [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)
							914d36d5964e0aba89d7afea493262da7bea0243
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bamboo.sk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bamboo.sk'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f60dc11ea0000040300463044022028a3830a3be39ed28d45ef8cf18296a88ea9d1ecfe7be65dce63f794e383909502206c8640e271364be6974504dc0b44af623952d7ecf7bc8c8755c8fe6b3391350400760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f60dc120e000004030047304502202a7782ff501aa7edad911dbcde3e23cc676d1077d787f9e635f677966042c406022100effcc8c39c0ef0b9f89c61a89564233b73fa4c3503191c2aedb53740f17abdc6
 . . . . [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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