lists.opentechinstitute.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:e4:d8:df:89:82:0b:8a:03:e8:dd:db:5a:54:52:87:44:17 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=lists.opentechinstitute.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:e4:d8:df:89:82:0b:8a:03:e8:dd:db:5a:54:52:87:44:17Serial Number (int): 426321797303297299363720477257122034697239
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 66:62:48:7f:29:f8:f6:d6:e1:e7:ab:c0:3f:3b:5b:5e:f4:98:09:c0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 56:8f:0b:e3:2c:38:6c:35:8a:03:58:13:ba:9b:e2:0f:53:f4:5a:78
Fingerprint (sha256): 31:e5:e5:42:f5:c4:49:7f:79:8e:92:c0:3b:f8:f2:f1:0a:34:1e:da:c2:ed:23:1f:e4:3b:bb:f4:13:3a:90:4b
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate lists.opentechinstitute.org
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for lists.opentechinstitute.org
Public Key Algorithm
RSA
Key Size
2048
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
lists.opentechinstitute.org
Other certificates including the domain name opentechinstitute.org
(limited to 100 certificates)
data2.opentechinstitute.org
*.chambana.net
files.opentechinstitute.org
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piwik.opentechinstitute.org
data.opentechinstitute.org
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www.opentechinstitute.org
lists.opentechinstitute.org
surveys.opentechinstitute.org
data.opentechinstitute.org
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piwik.opentechinstitute.org
data2.opentechinstitute.org
opentechinstitute.org
lists.opentechinstitute.org
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opentechinstitute.org
staff.opentechinstitute.org
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data2.opentechinstitute.org
www.opentechinstitute.org
opentechinstitute.org
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data2.opentechinstitute.org
nat.opentechinstitute.org
files.opentechinstitute.org
lists.opentechinstitute.org
berrigan.opentechinstitute.org
www.opentechinstitute.org
mail.opentechinstitute.org
ipysvenezuela.opentechinstitute.org
piwik.opentechinstitute.org
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data.opentechinstitute.org
data2.opentechinstitute.org
ipysvenezuela.opentechinstitute.org
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*.chambana.net
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files.opentechinstitute.org
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data.opentechinstitute.org
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lists.opentechinstitute.org
data2.opentechinstitute.org
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files.opentechinstitute.org
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data.opentechinstitute.org
lists.opentechinstitute.org
data2.opentechinstitute.org
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opentechinstitute.org
staff.opentechinstitute.org
piwik.opentechinstitute.org
mail.opentechinstitute.org
files.opentechinstitute.org
prototypes.opentechinstitute.org
lists.opentechinstitute.org
imap.berrigan.opentechinstitute.org
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ipysvenezuela.opentechinstitute.org
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ipysvenezuela.opentechinstitute.org
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*.chambana.net
Certificate
The complete raw certificate details for lists.opentechinstitute.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFGTCCBAGgAwIBAgISBOTY34mCC4oD6N3bWlRSh0QXMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzExMDYxNjQ3MDFaFw0x ODAyMDQxNjQ3MDFaMCYxJDAiBgNVBAMTG2xpc3RzLm9wZW50ZWNoaW5zdGl0dXRl Lm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOUoSq/iFZHb6HTN glELAeu2zQSWNxaBDBogFtA4OWLT81NxbQs4OdD+LrRrUrraiDA6UrNi1wEi3oxO bUFFetYdECYlGULe1C+WU4y6Kmy3/vTMH8K8R1Voi3wYG0UVswoMohHjZ2i8/oCI SEDL7E/Zyth96v4mPNVFxkDWW8yrmtIHnVn+ga61iSmaxWjtXnE/xx6QfxxWQrC3 IQmpEqDLhYwQeYhboepsxr9lVEE9YxY8vS/kDci1sWX8OFQQ6TyXJ+j+SCBU4Z4n fuJVZvqOEMwWZx0A+qbc+LoS1X1xxdunPB+/g/2EfmVd62x3dQvqkGVlHtv6T4ja zG6b0ikCAwEAAaOCAhswggIXMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUZmJIfyn4 9tbh56vAPztbXvSYCcAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAmBgNVHREEHzAdghtsaXN0cy5vcGVudGVjaGluc3Rp dHV0ZS5vcmcwgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEB MIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYI KwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGll ZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNl IHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xl dHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEACCUu IB7jsmkJuXEgQMaqmc+4d6PPHau6wcgXRj36uNSIdNJy/0C0j/Su0AYAjlaWuTMp 2tAQh3USBvd7XmSQzJg80/wH/RpSvJUPl4Q1Obu8iQpPx9r9IAJ6vmwsQDR9dR9w IuYsKNh3v/g2g1zAm9VjdoJvpiLxin197ppDEUE+B9OAten3BW7xmAxU0aCT9X8N Q+pg/Rnz7JKPJkIFLbmRAEQXGPK4jYGW8WyGBmACV6jYXIJVCidGz7XgFxN2cWr0 kshdmKAMo4b9yUCf0LZ4wL0MJUyZ4bxQIlE4D00SbkHw+DlkqTTi9ToJqViBYquV 2Nb83kpnZ1I8xZql7g== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5ShKr+IVkdvodM2CUQsB 67bNBJY3FoEMGiAW0Dg5YtPzU3FtCzg50P4utGtSutqIMDpSs2LXASLejE5tQUV6 1h0QJiUZQt7UL5ZTjLoqbLf+9MwfwrxHVWiLfBgbRRWzCgyiEeNnaLz+gIhIQMvs T9nK2H3q/iY81UXGQNZbzKua0gedWf6BrrWJKZrFaO1ecT/HHpB/HFZCsLchCakS oMuFjBB5iFuh6mzGv2VUQT1jFjy9L+QNyLWxZfw4VBDpPJcn6P5IIFThnid+4lVm +o4QzBZnHQD6ptz4uhLVfXHF26c8H7+D/YR+ZV3rbHd1C+qQZWUe2/pPiNrMbpvS KQIDAQAB -----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 426321797303297299363720477257122034697239 . . . . . . . . [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 2017-11-06 16:47:01 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-04 16:47:01 +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 'lists.opentechinstitute.org' . . . . . . . . [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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28928440437822968659442470540089226876692008655552138894512724863061098015059347329211426572785587053859587371661624820027217365332598925003166865664072581481830220888539799954526086925708242273220806122816001849234598378163896112793641771545530760672705404842156745295886525658368839553340179131446280250170642176847296041749211483793500239424055355554985089694879595311342325665884746916844455394052443010459829747244996784011637269173372848800885688788703817343692110223398280143420076149822023069527799820631215208650399440787544195875227885914045464844348403851109355356119741206538830142949745451128564439831081 . . . . . . . . . . . . . . . . . . . . [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) 6662487f29f8f6d6e1e7abc03f3b5b5ef49809c0 . . . . . . . . . . . . . . . . [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 (31 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lists.opentechinstitute.org' . . . . . . . . . . . . . . . . [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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