bitbutterfly.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c0:12:19:20:b1:fb:49:2e:a7:5b:7a:e9:24:7f:52:0c:22 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=bitbutterfly.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c0:12:19:20:b1:fb:49:2e:a7:5b:7a:e9:24:7f:52:0c:22
Serial Number (int): 326695128818584778072486892034200502930466
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 46:0e:54:d0:38:e4:79:2c:05:fd:7b:08:68:e3:41:f8:3b:45:18:63
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 17:8a:21:e1:16:81:ee:20:3b:4a:02:ce:12:c6:06:e4:bd:5e:b2:5f
Fingerprint (sha256): f6:61:d7:0c:41:41:eb:dd:9b:ae:13:9e:0c:39:52:00:87:d6:89:42:2c:cd:81:47:74:81:c6:7b:07:2f:ea:ae

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 bitbutterfly.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bitbutterfly.com

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

bitbutterfly.com

Other certificates including the domain name bitbutterfly.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for bitbutterfly.com 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 326695128818584778072486892034200502930466
 . . . . . . . . [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 2019-12-23 08:25:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-22 08:25:26 +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 'bitbutterfly.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 929949936045958704199815673582907758971815436879967561272875331772878643028868422746115349853013527460935699959895419519502909998037582001473271203748156719312858051259547045723617143615593545848972518635480882715687668534596717546908924673384202064306129915062263568985868768683301453149107504703391709160349355856022311883434868166973620587430892425522609571141552410941831553121627151883675004291077333229891240231341164522165403602977722742231574724485106554491689183232501199657830763016021526661486278942952404761742777112360629173480467439251182436287673315416369737717395378623315983312459472234025903318719607793713037492838336260925398883703388351213425297423420266415171030334868260367052164645794192905474114015467905468051497398778983037202069035380466658493550179479896740536115348252837999948240187084557889522336469106218773812651550020704458334788845596171645584206997622397534623435490605433741978688752733209728419948382736271613994769707953250462464553737458731392201990391973551505512359959368944769472530332739593373180163800945178303513573977446478756872290444007373873261236901070720937369796640558418218700791437144590405628746704036045245413968120682887083714556040638950845555012982804651430281742572849727
 . . . . . . . . . . . . . . . . . . . . [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)
							460e54d038e4792c05fd7b0868e341f83b451863
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bitbutterfly.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f32135b410000040300473045022100de6e2c7843e3c56a65067c39cb8fc7344fd5a0cf85ef8179c1fe3d4daf92c9c002205b3287c860a50077a87221d343f705e3e290af38a9ed518d11dc76d2f598cea7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f32135b67000004030047304502207e3b94fc04581834ef3201b36fbf19bdaf98900488a039f5ec46298b717cf305022100fce765dee4d0f290dde61d692a71a1e9a0539e15485d5b1508e712e6bcd5ae14
 . . . . [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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