stat.columbia.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:60:6c:8a:be:b7:59:37:c4:64:6b:5b:67:e9:ff:11:93:56 was issued on by Let's Encrypt.
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- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=stat.columbia.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:60:6c:8a:be:b7:59:37:c4:64:6b:5b:67:e9:ff:11:93:56Serial Number (int): 294148242048386271171000182978229906281302
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 17:97:2e:fc:89:64:31:b3:13:d1:03:e8:b4:5a:c9:58:af:52:bb:b7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 8f:77:49:aa:f0:c5:c0:90:fe:64:e2:eb:c4:d3:9e:77:71:e8:d2:a8
Fingerprint (sha256): 02:a4:06:b7:98:46:83:b8:a8:8a:8e:ad:c3:61:8e:45:6b:21:ad:9c:73:ca:60:f2:47:f2:ee:6c:69:21:fe:be
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.org/Check the revocation status for certificate stat.columbia.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for stat.columbia.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
stat.columbia.edu
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Certificate
The complete raw certificate details for stat.columbia.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGBjCCBO6gAwIBAgISA2Bsir63WTfEZGtbZ+n/EZNWMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjExMTcyMjM5MDBaFw0x NzAyMTUyMjM5MDBaMBwxGjAYBgNVBAMTEXN0YXQuY29sdW1iaWEuZWR1MIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAt0wQxog1yVV/+LNATKVos4D/o5Hs FGG7JSbb1zqZvqUalMvEFnVdQBBoo+Sp17p24n6AXt47JNh7dK+OdVgyQUMFRZX6 bypaG7ydkIfSfmlJpGQ/tsr+ktuq9SRxrZzfTO49P8MZZFSC1N2lmCO2tkeFeNLU +mOuT7OCFjlim3BByKY6KnwxC1RHMNtF9sD03KswHjnMAmRiGl9R0TdbglBMh0u/ IhwDW4jk6vD6szE1cibsiDzfXlP60Iw1nGjFnVOELeG35CU9BqgWXEk11TO5ppjF ewfR7mBWYICI0JsT8xWyYg3Li8uJekuwtRJXiWRrhme/rbzuX5U0y96Dm7/OflYk XyMytcZ5Yp51kcdpzbHdF5tYea1kvKcbutxHKyNN3Tssn7tRLQIP7cHSDP3pDxxK hnHwe10F5/Ybgufh0q98A4D9291JNrJpXQ6XEexPRLVNbuI+or4zFffJp41BZMwu N6Mh9NbUI9jdJ+K8WT9OHUzSCub7j73fME/znsBX6eWO7pBVgJMCXcfiE3CeJLRp 3kuOa28LDSxWxJix/eDBWlV3SPtHzjuF4LT3W5Teg5sBD7IgE2PhzHn+dcFjEttV ljf84Di8BJJth/B9Kz2i0xFBzw35CfC3jriOTlsVV8HXWxWWQV0uLSPqB7xCvkzN DaxXhFvvj0apcR0CAwEAAaOCAhIwggIOMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU F5cu/IlkMbMT0QPotFrJWK9Su7cwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHAYDVR0RBBUwE4IRc3RhdC5jb2x1bWJp YS5lZHUwgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHW MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYB BQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1 cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdp dGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNl bmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAI1grh07M 24/DsALsEnlUHq1voshsNA5UBovv+xKg9szOjPLdy64hdypuHxI4RNaaAHD789EQ oO7Tk8M0X9jBAPQlL80k0WJ9cV9g4DEWa42QhGH+17bNbL4NjtvbK3YWKRSGIemK 2HPWP5CmccM1A7atLa1/WAElxSgyXUmANMuLvo0QgbQ1U2BGyLvna5CsCCjSnNDE wvxHKILSnoVRaQ2h2Cxk7kFrqLiX8uiKbWcPzzCLQOKUiJJN5/osZdrzDT8tw0j5 qO2O5pDzJv4GqAehBhveZyG4asfD4t8dAWdZIs4f5gHihfY4KtR6mhHPkiOmZPZM WWLWMdTZ5FzQkA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAt0wQxog1yVV/+LNATKVo s4D/o5HsFGG7JSbb1zqZvqUalMvEFnVdQBBoo+Sp17p24n6AXt47JNh7dK+OdVgy QUMFRZX6bypaG7ydkIfSfmlJpGQ/tsr+ktuq9SRxrZzfTO49P8MZZFSC1N2lmCO2 tkeFeNLU+mOuT7OCFjlim3BByKY6KnwxC1RHMNtF9sD03KswHjnMAmRiGl9R0Tdb glBMh0u/IhwDW4jk6vD6szE1cibsiDzfXlP60Iw1nGjFnVOELeG35CU9BqgWXEk1 1TO5ppjFewfR7mBWYICI0JsT8xWyYg3Li8uJekuwtRJXiWRrhme/rbzuX5U0y96D m7/OflYkXyMytcZ5Yp51kcdpzbHdF5tYea1kvKcbutxHKyNN3Tssn7tRLQIP7cHS DP3pDxxKhnHwe10F5/Ybgufh0q98A4D9291JNrJpXQ6XEexPRLVNbuI+or4zFffJ p41BZMwuN6Mh9NbUI9jdJ+K8WT9OHUzSCub7j73fME/znsBX6eWO7pBVgJMCXcfi E3CeJLRp3kuOa28LDSxWxJix/eDBWlV3SPtHzjuF4LT3W5Teg5sBD7IgE2PhzHn+ dcFjEttVljf84Di8BJJth/B9Kz2i0xFBzw35CfC3jriOTlsVV8HXWxWWQV0uLSPq B7xCvkzNDaxXhFvvj0apcR0CAwEAAQ== -----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 294148242048386271171000182978229906281302 . . . . . . . . [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 2016-11-17 22:39:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-15 22:39:00 +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 'stat.columbia.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 747787053063426249333098528373217416437220702141528396096980332314736594522154114439153900000728473743565463250696993272751867673076139662444940028117817864573220874533569629168676504708834010933258120959333075255777202056482886288597353947198737161473848880803641647372043684784078576537531578343702471452091211235438710905025739748656318034454483734846839725806797950317674771683119431793579896067680518542625839140549524017166671235463715076438017981236097871706135484075305437678089592609858143213628008322934430824187977144273735730664969742107779611220318772407345319336223979663590952854840014523746843513274967154759602576406586939212113826767580987113267527771566308218961825484233067249712260390570633003947784749742474790343312383011256051211889048792972905394368279441855482467788622928663344494276689487342307134368613164011591024882776317394141834845498927015309090780599597367856329822121114287821631224476396519310269680284519539655863018179720559260643837432544874287656845756428663582242834966001168646379768548103309126692370863204843248234824145824166375979652703810706650161999519705367265692498439472379715500918387227986838008758732377080695003819100680438475943509188587739112459195917310187521807401873928477 . . . . . . . . . . . . . . . . . . . . [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) 17972efc896431b313d103e8b45ac958af52bbb7 . . . . . . . . . . . . . . . . [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-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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stat.columbia.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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