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:b0:9eSerial 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.orgCheck 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----- MIIGVzCCBT+gAwIBAgISBEJTYvo5K68DB0RrPJcV+LCeMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjMwNTQ2NTFaFw0y MDA1MjMwNTQ2NTFaMBsxGTAXBgNVBAMTEGJpdGJ1dHRlcmZseS5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDOiE7WBYlpKsOd+lb2+FJNgL1GMTBc nDAgtmPbV+1cwqt0coR6SMoWdqABrmHVEAjTCkA+yr8W75NpOyuAoFyWO8ePWnm+ pN9rr3NX5iCylkA/hiprHtgBl/qlaJ9tXUtaIrY7ihE8ur+p3QemC0Ku4G5R0QVG 2sZpx0V0Y4P5nWfnjcyMcKAyd5Cufzi9g51uLpiC3BoWmw7uPUj56dwLYbC8V1Uu jpdqsGHK2Nzm3g69B77uvu3CIb2MqMYrQoGz9C82+8jpm8e78dPyeKdnggswHwle b7ei5I91OnSz2Jesy6Ugwh1wdBUG8OebwVg8QQKnf1tkLr4goUhbS5ucNBrixY3O 1ungdXsHhgHwF1Iu575ZtOBe9dO9EoCLzs4gLep4RX2X3pgsrtR1gKmb7fefpO07 xE5Ohmq+vSaj60FDxlO98HRuskGBQq7pdPCGUfDNLoi6+4yUP3As/HyeoIFwI/cH 41P8psU4VpW9fxM0vSzmovD5fgOgsPV5xQtKSBAR6TGO7kiYiPOz2EHj+IG4sjGs IGYPr7pGAIpvkfH33sZzzt1lN3/IyaBQXAgUQm/GERjZyXzk6O88Ku4UEq0kfh7P 3K2F3wjL/EgRcixGeHrKzDe6yYYImpNHzfKUgT0S/ozXDoypuBfaiqC8SuE+btZW dLmdTivWHOi9xwIDAQABo4ICZDCCAmAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSv dcfNxbOixJOnftj38jEi2vWhvTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEGJpdGJ1dHRlcmZseS5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQC BIH0BIHxAO8AdQDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAXBw zHOgAAAEAwBGMEQCIDPwz3zuQKrTyzVKGvaWleyuu9J+md3fdqNXoevjfEwWAiAX 7V4HG2wmBE7Ib9vqfniYGk8rei/P9x8oUXhNpAxFAwB2AAe3XBvlfWj/8bDGHSMV x7rmV3xXlLdq7rxhOhpp06IcAAABcHDMc8YAAAQDAEcwRQIhANhlxbiYwbopALHs rMgFN02plIA+uad42h32LaNe0+tpAiArCvdiatBta6kgrYl1JJWk1dCNLuV8kTp/ Fm8oSPyAwjANBgkqhkiG9w0BAQsFAAOCAQEAa29X4WtxoFqKARIOlNPa4lkZA3WQ +vAN96d+Ja2rjqjuXEIsM8CmITb+Upv726bHCatCt27U1CatWctAvk4giPSElntx novuNRDBqGocn3Q5ad7Z6tLNzId4EmGfOQskcqK44gJEXygg2owWRe6X4Iu28YBI Jd1YWtormBMJwnkL+blAgXtcKp8Vd8KSTj/tfNJbPoy1KGK1c9Bgozbyipthi9A0 /r46kHK7PF4Y/KVOqHr9RAdAV1V+eZi1olq3xu+AkyIckzyB83Y+eD4roGwuUYo5 gRgMCGS+qDHvbOUfPBQP79yR8I44oOt8w/z9S31BrNWUJtzNeSLA/OzMPw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzohO1gWJaSrDnfpW9vhS TYC9RjEwXJwwILZj21ftXMKrdHKEekjKFnagAa5h1RAI0wpAPsq/Fu+TaTsrgKBc ljvHj1p5vqTfa69zV+YgspZAP4Yqax7YAZf6pWifbV1LWiK2O4oRPLq/qd0HpgtC ruBuUdEFRtrGacdFdGOD+Z1n543MjHCgMneQrn84vYOdbi6YgtwaFpsO7j1I+enc C2GwvFdVLo6XarBhytjc5t4OvQe+7r7twiG9jKjGK0KBs/QvNvvI6ZvHu/HT8nin Z4ILMB8JXm+3ouSPdTp0s9iXrMulIMIdcHQVBvDnm8FYPEECp39bZC6+IKFIW0ub nDQa4sWNztbp4HV7B4YB8BdSLue+WbTgXvXTvRKAi87OIC3qeEV9l96YLK7UdYCp m+33n6TtO8ROToZqvr0mo+tBQ8ZTvfB0brJBgUKu6XTwhlHwzS6IuvuMlD9wLPx8 nqCBcCP3B+NT/KbFOFaVvX8TNL0s5qLw+X4DoLD1ecULSkgQEekxju5ImIjzs9hB 4/iBuLIxrCBmD6+6RgCKb5Hx997Gc87dZTd/yMmgUFwIFEJvxhEY2cl85OjvPCru FBKtJH4ez9ythd8Iy/xIEXIsRnh6ysw3usmGCJqTR83ylIE9Ev6M1w6MqbgX2oqg vErhPm7WVnS5nU4r1hzovccCAwEAAQ== -----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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