bitbutterfly.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:42:53:62:fa:39:2b:af:03:07:44:6b:3c:97:15:f8:b0:9e 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): 04:42:53:62:fa:39:2b:af:03:07:44:6b:3c:97:15:f8:b0:9e
Serial Number (int): 371018619787697135213609514460938044485790
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: af:75:c7:cd:c5:b3:a2:c4:93:a7:7e:d8:f7:f2:31:22:da:f5:a1:bd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a8:09:da:44:e4:70:9c:c7:d9:72:7a:77:a3:e6:cb:6c:88:b3:9d:8c
Fingerprint (sha256): 36:3c:ed:a2:8d:26:98:60:2b:dc:81:4d:c3:f7:46:09:29:82:f5:c4:3b:11:9e:f1:20:11:6f:90:b9:21:36:a2

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 371018619787697135213609514460938044485790
 . . . . . . . . [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 2020-02-23 05:46:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 05:46:51 +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 842578896499414577576993211817893141596930144060365250127434021402159133103339854739034456266333390691461615733800741713051597359281588964050310549617656682119152088550171536507810920781237883492703920588250337420338246748270918799293657639831866490307712138760267190642790183188852440533778079275368016529063917973978464584450466262351674895517518182252198139306103738252535902523837944887687260694564554528305589949442164199661861992246616934814384900563970423973014258534330347598947741960900807199289509489609204865730397636284407489897250886606848112188821324494259720952490149160934770178085105986643275864067216689387833489781390967036192735313020464121936382824796567792985723644637855098000323319548063712650148846690949635406951598412456626207822930001577295604790848752810825259754703691760651773649854052746458675097572680215417040326581798431814702046507196746556828095628921433297300762599625162662410740555980706566324649317281999918440134381961632817984282164827002307924580146639874699160921084910508130386179814407972442122481405253667955391417850201319910591789481383340715725030032600371500699518160620084662165821477623945962918277947767730835999607901912162540761870474440274150223065578990628129564141183090119
 . . . . . . . . . . . . . . . . . . . . [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)
							af75c7cdc5b3a2c493a77ed8f7f23122daf5a1bd
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017070cc73a00000040300463044022033f0cf7cee40aad3cb354a1af69695ecaebbd27e99dddf76a357a1ebe37c4c16022017ed5e071b6c26044ec86fdbea7e78981a4f2b7a2fcff71f2851784da40c450300760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017070cc73c60000040300473045022100d865c5b898c1ba2900b1ecacc805374da994803eb9a778da1df62da35ed3eb6902202b0af7626ad06d6ba920ad89752495a4d5d08d2ee57c913a7f166f2848fc80c2
 . . . . [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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