disco.bu.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:39:47:51:9e:81:c7:c7:ab:47:9a:53:cc:51:fe:71:63:8e 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=disco.bu.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:39:47:51:9e:81:c7:c7:ab:47:9a:53:cc:51:fe:71:63:8eSerial Number (int): 280827751688423481948640217772306367341454
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 60:e3:3b:e7:92:a3:24:5c:10:9c:d8:18:27:d6:99:23:f9:13:a0:91
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): fc:38:70:7a:85:69:3b:03:5f:f8:e2:3b:91:bc:aa:9e:8d:e9:fe:f6
Fingerprint (sha256): 03:dc:bf:12:30:85:01:ad:ec:3a:d6:2f:02:6c:2c:3a:7f:4c:fc:72:4f:dd:29:f1:87:17:73:48:14:3c:26:e0
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate disco.bu.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for disco.bu.edu
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
disco.bu.edu
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financialplanningonline.bu.edu
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Certificate
The complete raw certificate details for disco.bu.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF+zCCBOOgAwIBAgISAzlHUZ6Bx8erR5pTzFH+cWOOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA4MTEwNjEwMDBaFw0x NzExMDkwNjEwMDBaMBcxFTATBgNVBAMTDGRpc2NvLmJ1LmVkdTCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBAMdlIp7dvJ/XXE64ogDUS9okcnGwRlVUbiIm q5B9IaJD0UQ5vR+WoZvromi4tzl9UdJ1+FsR68SkWx72Gj9q+TYQ6rZ4dploABXc WF6OXOMIoi9UbDOFk4pdm1otliLwO3xa4ll9cBe9+A2xretKmVzowjdCoQvsn6+B oEG73HjkwjbJlB/cvN2ibs6US4w6JUue1/r2/jBaOsXyAfNsnHTr7QxViK/LV+uh 3BSRCPqI4r5S4QjVuvNxkoSoEjbqcmWdjJYvA4ZOfnGSdlAK8rHr/RLhUqfSeAWG Y5iRjlZ3GwXimMaRQpEFn5tgREDdVZ21Na2aiSxXvOrXG+ns85HU02hPGdRDsw+1 mZ7UvwHMfBSdcBZ3GuLrlPvCaxzfqlPb377cd+IqEm5BHcsAbgRKKSS5FEkok5Mt mPOeJRyC1xGFoGEpzYnCJ8HjzCg3k/c9oYxHVm3XY0RcWN+ptw5hNWgW5ptWrVoV 6mYj3MVOUh93Wm7fHFyhOBsHwN923BawKdMYwUUPGuw/gLoI655rWXri9/Ikqa1F m52fjqr5kkcB7iZYm6plNxB4BOEd4ha1NzQSlXmDfAmAjOsC6wyGe0D6rYTjhxFh SC47m0tcuLYpfZuguXZzgA+IfbAIMhGXMIG5UpxgARa3HtLNI4XjHRVimC8O5vma 5zpHS+pPAgMBAAGjggIMMIICCDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFGDjO+eS oyRcEJzYGCfWmSP5E6CRMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMZGlzY28uYnUuZWR1MIH+BgNV HSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcC ARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGb VGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5 aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0 aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcv cmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAFjjdCrFVzKLC38olyn4fd0l 0hSOIr8UCB/qLhQHyaACjfsHqQ3v5HJBdoFyACqfHd5oTXO5lEj4s1vMof4vDTw7 GTIM1rmPzz2k6scOQmQxEYLKrwNg8pbXO7+3FEb55N16i4wca3Y0l2Q0R3L+IUBg GZFhzSMYQQwnrmg3WLvJcjJY51KhdkDA3a5ob4YpaXalwxVnkiv+WRWxjTxCsO2l Ho4gXmgL4QIgFv6hTIPL+KpjXk8cwPb5l3px9vweds8Iz3ZNDtku/hhTqYPiKvyr tY4DLZ0B91u5u/fm0OaIxWJ8yDF6d2pzhNE0T+Dpjp4AAahq/TkeTa6fZ9qpEmw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx2Uint28n9dcTriiANRL 2iRycbBGVVRuIiarkH0hokPRRDm9H5ahm+uiaLi3OX1R0nX4WxHrxKRbHvYaP2r5 NhDqtnh2mWgAFdxYXo5c4wiiL1RsM4WTil2bWi2WIvA7fFriWX1wF734DbGt60qZ XOjCN0KhC+yfr4GgQbvceOTCNsmUH9y83aJuzpRLjDolS57X+vb+MFo6xfIB82yc dOvtDFWIr8tX66HcFJEI+ojivlLhCNW683GShKgSNupyZZ2Mli8Dhk5+cZJ2UAry sev9EuFSp9J4BYZjmJGOVncbBeKYxpFCkQWfm2BEQN1VnbU1rZqJLFe86tcb6ezz kdTTaE8Z1EOzD7WZntS/Acx8FJ1wFnca4uuU+8JrHN+qU9vfvtx34ioSbkEdywBu BEopJLkUSSiTky2Y854lHILXEYWgYSnNicInwePMKDeT9z2hjEdWbddjRFxY36m3 DmE1aBbmm1atWhXqZiPcxU5SH3dabt8cXKE4GwfA33bcFrAp0xjBRQ8a7D+Augjr nmtZeuL38iSprUWbnZ+OqvmSRwHuJlibqmU3EHgE4R3iFrU3NBKVeYN8CYCM6wLr DIZ7QPqthOOHEWFILjubS1y4til9m6C5dnOAD4h9sAgyEZcwgblSnGABFrce0s0j heMdFWKYLw7m+ZrnOkdL6k8CAwEAAQ== -----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 280827751688423481948640217772306367341454 . . . . . . . . [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 2017-08-11 06:10:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-09 06:10:00 +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 'disco.bu.edu' . . . . . . . . [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 813460871755084491827396088007498264043675826122243619681062406144882418779688736178818346037831610173789758366983925166954830252693063010916807787245246816713751241541480447749675448927822033210790311177897709944403514275541087565670795254481311848811950960360777824468673200011891040389495547450124421377723512361507470923822253425543338128778698912300768199800624420215648738594078839289565452403480469852281679869478882858690224814678235529105901613774059837346645107358337225136506960263625578337198142329765909856777553945046176951558339311511053649065639485182862889097941827081338439038982564764146958411216657299600785361295334938344534394903192333746221836949558133198644363866792114162386770058335036969029599865656846712385490878595175129865336014441276346625004324227897617084753894526599484956297546359181788494070501491203178372786758895972083825149794526584576360838154090776363719408122411738726779480762009780627635596036318309814416697115920396302654567295020059654680002414772180895832044763070500552460143997276450986952917273856473155084464976492475018616581007267241060135683176060052460448538330543070011056223907916702215488861520580840764096109151107647692746171580276986540702640718326155242592574966065743 . . . . . . . . . . . . . . . . . . . . [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) 60e33be792a3245c109cd81827d69923f913a091 . . . . . . . . . . . . . . . . [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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'disco.bu.edu' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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