sentracomputer.com

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:27:b0:ba:5b:c7:4b:43:c0:a1:f0:50:81:42:45:e0:64:2c was issued on by Let's Encrypt .

With 8 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

sentracomputer.com

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:27:b0:ba:5b:c7:4b:43:c0:a1:f0:50:81:42:45:e0:64:2c
Serial Number (int): 100618209997639650949354219717450373555244
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 51:7d:aa:25:b5:52:2a:d3:dc:2c:b9:73:bc:d6:49:21:52:65:a1:45
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 71:a3:90:38:49:97:f5:81:ea:0d:39:9f:5e:e4:5d:b1:d8:da:9d:6c
Fingerprint (sha256): 62:06:96:ed:6f:f3:22:d2:f6:05:0c:c7:ab:7d:ed:c8:75:f3:fa:2a:3c:65:4c:87:79:b7:d6:bc:9d:7e:52:bb

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on sentracomputer.com
8
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

smtp.sentracomputer.com
stats.sentracomputer.com
www.sentracomputer.com
sentracomputer.com
ftp.sentracomputer.com
imap.sentracomputer.com
mail.sentracomputer.com
pop.sentracomputer.com

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGuDCCBaCgAwIBAgISASewulvHS0PAofBQgUJF4GQsMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMzEwODUwMDBaFw0x NjAzMzAwODUwMDBaMB0xGzAZBgNVBAMTEnNlbnRyYWNvbXB1dGVyLmNvbTCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALla4zdsjaKNaGrzMZ+NKOK8/voL uNzcQxrvUkzTIZ7DmuOSAVfeFnn4Zzj06abVXlh7VmIC5+wn7UtYsepGRoPf6He/ KiP1mXpz7XJt5RmM5ipaMFbh3gVVmlVixsT2NFEBJKvB1UhJCgEhe8igTGl+51Qp OBMte4+EXcstM5lqKiKGkM2pcpJckwggcLCL/0an6hkfpYYeG97mpfMI/08k2xj/ JtJ0MNzc35n/BbnCqTI8aX4pAeJa6M0aujdZtU6fneXtAFLHZ6lewA+fd2yljXXk oCarzkFvXWHolP3bKw6icKNHMcyMhBtlj8aLHH1Ft+LcD2AUD0Ne5ga0HwxQENUQ Z9ZFzZGABO+DJDWGO0weRb3QXmz76ZSr1jRWZgxTwqtZdVsY3HjpTe6e1IBw5ugB gSHSIo720EKK6bTsKEz8shFAEFEoUYWh5wHnlEovZhBfNMglTPf2GL4w219Y3I9+ Vaig8E5hk+jXIPwpiPF09dGgIE/gsmey7R23QvfI4aIARJ8VopNUhxrBMgWFDXGx ze2xLf+XErqO6Hcs6JfzHLDops1Uo7lDxx5ENDqZAJUS+e6Vq0KaD2Nm52bRReYy G8tVYcy17Gg8Gj1lFB4teE9s794mWMKmvDqkp/1xLGUaU3Mb7utrfy2EjoNdOnIN RGOC/98bdkHLjGt7AgMBAAGjggLDMIICvzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FFF9qiW1UirT3Cy5c7zWSSFSZaFFMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF Ze/zqOyhMHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29jc3Au aW50LXgxLmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0 LmludC14MS5sZXRzZW5jcnlwdC5vcmcvMIHMBgNVHREEgcQwgcGCF3NtdHAuc2Vu dHJhY29tcHV0ZXIuY29tghhzdGF0cy5zZW50cmFjb21wdXRlci5jb22CFnd3dy5z ZW50cmFjb21wdXRlci5jb22CEnNlbnRyYWNvbXB1dGVyLmNvbYIWZnRwLnNlbnRy YWNvbXB1dGVyLmNvbYIXaW1hcC5zZW50cmFjb21wdXRlci5jb22CF21haWwuc2Vu dHJhY29tcHV0ZXIuY29tghZwb3Auc2VudHJhY29tcHV0ZXIuY29tMIH+BgNVHSAE gfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhp cyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5n IFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZp Y2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVw b3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAGY1UFaY2J5OoJ5rfpuXK4o7S7Oh v9RDwImFwnyirZ23mTEZ9LSOayaReS0G0lryICa0Vd77ow+V3SnC3nfo20Seyc+q kUgwOvQansieEaFzggJ6kGVU5Y9ECsTm2ALXYDsz4lIcKfIl3usXNp1CVlYABAUX WYMxEpMH5OL51iUmau0Vl2vU2K/j8FZ6MzLA8Vx/WDNZDi7r6JPwKzongftZvpBh kxiHzbPW7mv2I0ZxWVxZgsnsseFKeXkzRJG/yvZNUEf582pBncSwiN0iJNPbZv2x jyDgCRgfytJ1OcGVLwg/2ivH4tvJ5HMh6sTaAnuhD3aEONyzWTi9nwrz3eY= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuVrjN2yNoo1oavMxn40o 4rz++gu43NxDGu9STNMhnsOa45IBV94WefhnOPTpptVeWHtWYgLn7CftS1ix6kZG g9/od78qI/WZenPtcm3lGYzmKlowVuHeBVWaVWLGxPY0UQEkq8HVSEkKASF7yKBM aX7nVCk4Ey17j4Rdyy0zmWoqIoaQzalyklyTCCBwsIv/RqfqGR+lhh4b3ual8wj/ TyTbGP8m0nQw3Nzfmf8FucKpMjxpfikB4lrozRq6N1m1Tp+d5e0AUsdnqV7AD593 bKWNdeSgJqvOQW9dYeiU/dsrDqJwo0cxzIyEG2WPxoscfUW34twPYBQPQ17mBrQf DFAQ1RBn1kXNkYAE74MkNYY7TB5FvdBebPvplKvWNFZmDFPCq1l1WxjceOlN7p7U gHDm6AGBIdIijvbQQorptOwoTPyyEUAQUShRhaHnAeeUSi9mEF80yCVM9/YYvjDb X1jcj35VqKDwTmGT6Ncg/CmI8XT10aAgT+CyZ7LtHbdC98jhogBEnxWik1SHGsEy BYUNcbHN7bEt/5cSuo7odyzol/McsOimzVSjuUPHHkQ0OpkAlRL57pWrQpoPY2bn ZtFF5jIby1VhzLXsaDwaPWUUHi14T2zv3iZYwqa8OqSn/XEsZRpTcxvu62t/LYSO g106cg1EY4L/3xt2QcuMa3sCAwEAAQ== -----END PUBLIC KEY-----

ASN1 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 100618209997639650949354219717450373555244 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-31 08:50:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-30 08:50:00 +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 'sentracomputer.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 756182546775833805487382753386432070388356179096177962800921421349577734778177581031624054756958400991887048420285466031135668400738774571180655708710705859240688482606493465355363418300913394537965734184164664456598474401124912493576032359453158512159945833126500305388627527638940353699247490292068411246409232532351207744885201730231067138594176624429256670758969996366961133919560731832722926787445245310902893073420543869185379903765577311581535108209225643464620199286617052067748167516694844907032413260113834314682602408773062459188971143366993934901703798842644245890975180909121923226504887812681939392924005809962658276381220831168868878785114192187896754913161785119326977838313145188125106869849306632671366812146543282442964909103142436640451014704321598627524799658789925045081646811405606567372963945278668831203740650983154130705881166036914191214764322510419244459300971599248130169517784479972451833270183342725237589772441993838896895913358328849831962629137528641215147974615809264702377313045722683042406727264621851048625298067269487234886135683834212776746938761061030573083677285931598497042086343325367978087127808538606181160238880393547832992088100852864983755907968640262373590137008428268845581929835387 . . . . . . . . . . . . . . . . . . . . [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) 517daa25b5522ad3dc2cb973bcd649215265a145 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (196 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.sentracomputer.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stats.sentracomputer.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sentracomputer.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sentracomputer.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.sentracomputer.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.sentracomputer.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.sentracomputer.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop.sentracomputer.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 (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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