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:22Serial 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.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----- MIIGWDCCBUCgAwIBAgISA8ASGSCx+0kup1t66SR/UgwiMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMjMwODI1MjZaFw0y MDAzMjIwODI1MjZaMBsxGTAXBgNVBAMTEGJpdGJ1dHRlcmZseS5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDj8uQEAiKLnoe9tMgZLuRBUtAjVJMv Ez85vqsF9RR6B2k1cQS+RPyTF5SjsOkxWmy9vbxvY39bYfRPfzmXsekwPcSBdeBX 8i9I7K8GR54JrFuogo8kiXFuYkFyzdn7Gjs1MeDQKnD58VeyFBlTdaiO/uw5pDWH DLKaD3YmzfuQ6hqjMvJ4Yo/cajVe1D5k9LHFjjxa1rbzXQSOp8HmACY1Jj6XBMwR HM1MwS0zAmYtEhDYC4DusJ03QaId2xn92Ehon7jWxxPlR8JNaP944pF5atkxj57T tT71/pnAwpARSKt/uKdJ+LGEMrZbXNLnq7bMF1K1Cc7F8O1u+zjpnwvZISk35dEy uZMhOBiGzmTYpuhk+YVTBavqDuqKkOQhX1I6ns3jY0fo02oDkMdr/35uvflQSQf2 p+0GHZZJGHv4wSHSskYrd7AT6FZK06ps0ygP+M5yOoGMsMyNyFbux+pHXzA1pMRp 1hItpXk1VBvzwWegZvK9th4kjqCwf2j1MCZzwHX0pEyeRQwN3I4nCPwo85x4ygn0 dtTveGQm5x6916F9WY9FbZs4CtOESax37X4FeYmNeMLVGIMFEhIHTv7laSb/gQp7 9QeENEQOf/fJzD3kSTbMpCQXG9HYBocYBC3r+Fy8DLkV3IWYRMV3c+MDYbufkF3r MI/EQ2TeIzAKPwIDAQABo4ICZTCCAmEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRG DlTQOOR5LAX9ewho40H4O0UYYzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEGJpdGJ1dHRlcmZseS5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQC BIH1BIHyAPAAdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW8y E1tBAAAEAwBHMEUCIQDebix4Q+PFamUGfDnLj8c0T9Wgz4XvgXnB/j1Nr5LJwAIg WzKHyGClAHeociHTQ/cF4+KQrzip7VGNEdx20vWYzqcAdgCyHgXMi6LNiiBOh2b5 K7mKJSBna9r6cOeySVMt74uQXgAAAW8yE1tnAAAEAwBHMEUCIH47lPwEWBg07zIB s2+/Gb2vmJAEiKA59exGKYtxfPMFAiEA/Odl3uTQ8pDd5h1pKnGh6aBTnhVIXVsV COcS5rzVrhQwDQYJKoZIhvcNAQELBQADggEBADN10y9RK5T+Xh5PhDg8J4My98JV YsDfC1y+RFmquJiRwDRUwc/c7mN/6xjbiz75zMnVxNApSHXGrW/QzgtimwC+af56 SJ6VdgAv81wKoxRCo3Ebb8Jc+S/FDvHgAVsC6n6EcuGEXW8YnoeHiJpxfyzTRLP/ Z8lAd+BkPlmhXJZX1YJY7U0NZRhMufQf6OtohSGfNtc14D4WaQmSYtUFyKOfQsnp Oc2S6p1mkMqvYmEeu/AuXVnUIJK26vamg0wf3tuhSXCYObEi9sSbSwOgK2QdPxh6 dZTiZ9s8Zo5kk22XRW7V+FhwjH+icObjDIwXJkUzSmUQitUAlgtfins9M88= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4/LkBAIii56HvbTIGS7k QVLQI1STLxM/Ob6rBfUUegdpNXEEvkT8kxeUo7DpMVpsvb28b2N/W2H0T385l7Hp MD3EgXXgV/IvSOyvBkeeCaxbqIKPJIlxbmJBcs3Z+xo7NTHg0Cpw+fFXshQZU3Wo jv7sOaQ1hwyymg92Js37kOoaozLyeGKP3Go1XtQ+ZPSxxY48Wta2810EjqfB5gAm NSY+lwTMERzNTMEtMwJmLRIQ2AuA7rCdN0GiHdsZ/dhIaJ+41scT5UfCTWj/eOKR eWrZMY+e07U+9f6ZwMKQEUirf7inSfixhDK2W1zS56u2zBdStQnOxfDtbvs46Z8L 2SEpN+XRMrmTITgYhs5k2KboZPmFUwWr6g7qipDkIV9SOp7N42NH6NNqA5DHa/9+ br35UEkH9qftBh2WSRh7+MEh0rJGK3ewE+hWStOqbNMoD/jOcjqBjLDMjchW7sfq R18wNaTEadYSLaV5NVQb88FnoGbyvbYeJI6gsH9o9TAmc8B19KRMnkUMDdyOJwj8 KPOceMoJ9HbU73hkJucevdehfVmPRW2bOArThEmsd+1+BXmJjXjC1RiDBRISB07+ 5Wkm/4EKe/UHhDREDn/3ycw95Ek2zKQkFxvR2AaHGAQt6/hcvAy5FdyFmETFd3Pj A2G7n5Bd6zCPxENk3iMwCj8CAwEAAQ== -----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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