learn.waldorf.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:db:91:f8:9d:b2:52:65:a7:ec:8c:34:f9:e8:46:2c:74:44 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=learn.waldorf.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:db:91:f8:9d:b2:52:65:a7:ec:8c:34:f9:e8:46:2c:74:44Serial Number (int): 336052725098442414243336842361803182470212
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c4:6d:30:76:0e:ef:b7:da:71:6f:9a:93:b9:b4:ef:fb:23:67:8d:cf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): af:6e:4c:d3:0e:90:d3:a8:b2:78:07:bc:a9:df:37:ff:bd:c1:69:2e
Fingerprint (sha256): 84:d5:17:cd:0e:a5:7d:37:79:fb:80:06:a6:73:4e:9e:05:e1:a1:7d:2a:01:f4:be:13:0a:6b:d6:ba:dc:89:48
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate learn.waldorf.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for learn.waldorf.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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
learn.waldorf.edu
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mail.columbiasouthern.edu
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Certificate
The complete raw certificate details for learn.waldorf.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWTCCBUGgAwIBAgISA9uR+J2yUmWn7Iw0+ehGLHREMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDIxMzA2NDdaFw0y MDA1MDIxMzA2NDdaMBwxGjAYBgNVBAMTEWxlYXJuLndhbGRvcmYuZWR1MIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0NkRQcYgQ1aKAio/qA9MkLgrQqfZ J7kQOitIbaaTTHkXqk2h6c8EThJL3SpFpG2p4b7qT2x5gwNoXclkQHc544ypD49d QitC3FZ/sNZRRGldxW/GxlkgxV7g53vzTYNN187OcUuxwGV5bivjx0d3l3SO/USS MZ6nmLPUpQqr1xUQDNvcJbEna7uE8YI/HoHH1LMJvsOUibUFTv1yuNNo9xKSEkRq 2/w6ES1jvKgFJb+t12ySXV7Fxrb0rayQEDQH+lVJ6Gx8hHtHV5TTBSFocrVnMjoG tGGhJxLMWCZHQWYc8olqp3TObdezdoTh1QxJL7L2LVKgo9tMSkniUDLS5Mdal0zK s3hZ1acxVZ5UGJ6IuuciOrhpigKmB3xWlTiHSG7qO3DDU6yVH1EOxmGXQxZgAq40 V1dy+RGZeKwqYxXdgkD1gTb9ge8i0e1n2FJU4h3B8fXlyDtgnwazdHaWC77eFSGR HAK7RV2hA3GXm5Sl/m0Enxz9/o5yWBh8TX7Zg59AGlfkbKEoBfjSQECPZPLJDhkC V7UFLpjZwVyltY/7ugR99iWfv70xNVH683+AxAtoW65+JzusfAvBbDDkRvWkuw80 yxitsF7sys0FNWoynXKgtUPvxox65gdw7Z0JRw7yh0du7EMg2Q514SzqY7UZ75B1 5mzENwoHcSgvnzECAwEAAaOCAmUwggJhMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU xG0wdg7vt9pxb5qTubTv+yNnjc8wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghFsZWFybi53YWxkb3Jm LmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkC BAIEgfQEgfEA7wB1AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAAB cAY5q4oAAAQDAEYwRAIges2ytCRNlCD3XdUcLkyi2A3KVQhchTFHZ3KUtJ5AtwcC IGz09Gtikt3B15xXyypsrackzgiJYJDsXH/y5GNea7YFAHYAB7dcG+V9aP/xsMYd IxXHuuZXfFeUt2ruvGE6GmnTohwAAAFwBjmrzgAABAMARzBFAiBLZkc/u0dq0WZb d5Okb0Z9DOzXUu13hPaQgiIi+glfEwIhANoJ069hgdH5+QaOBZ+L6EIztb/r5OCR MLATHs/+V7UPMA0GCSqGSIb3DQEBCwUAA4IBAQATkZxyWFvm23qOWC5smVg/xQRf IZuXqiHR4mEKGXFCMY+mvrB59vzjvhLTSZqSklAmEMvuQRg7dhjf3+z7TBLeRIaf +7T18cLcNhxc/CtgcpoEReJcF/miPCs2h8BMz8pNiZzfI0wjZNsXirLClvfKNWRr UgDhVR8zJ8MMAQN32IJiiYAVgLsCS7tB0W5ZpfndX8hu0JCxI2vYjc6rDWzxEntO mmqFG+bwaeV436MErmLolD0d+5oOHjTPgS3q4VQl0xc4a9jHKgJu0vmU9V8JdCvA dc4vrRrUO3SIip0qdmY5iqHvji+fUxZqbjETKULXpZkg9LM3phTSMGEbR9Ml -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0NkRQcYgQ1aKAio/qA9M kLgrQqfZJ7kQOitIbaaTTHkXqk2h6c8EThJL3SpFpG2p4b7qT2x5gwNoXclkQHc5 44ypD49dQitC3FZ/sNZRRGldxW/GxlkgxV7g53vzTYNN187OcUuxwGV5bivjx0d3 l3SO/USSMZ6nmLPUpQqr1xUQDNvcJbEna7uE8YI/HoHH1LMJvsOUibUFTv1yuNNo 9xKSEkRq2/w6ES1jvKgFJb+t12ySXV7Fxrb0rayQEDQH+lVJ6Gx8hHtHV5TTBSFo crVnMjoGtGGhJxLMWCZHQWYc8olqp3TObdezdoTh1QxJL7L2LVKgo9tMSkniUDLS 5Mdal0zKs3hZ1acxVZ5UGJ6IuuciOrhpigKmB3xWlTiHSG7qO3DDU6yVH1EOxmGX QxZgAq40V1dy+RGZeKwqYxXdgkD1gTb9ge8i0e1n2FJU4h3B8fXlyDtgnwazdHaW C77eFSGRHAK7RV2hA3GXm5Sl/m0Enxz9/o5yWBh8TX7Zg59AGlfkbKEoBfjSQECP ZPLJDhkCV7UFLpjZwVyltY/7ugR99iWfv70xNVH683+AxAtoW65+JzusfAvBbDDk RvWkuw80yxitsF7sys0FNWoynXKgtUPvxox65gdw7Z0JRw7yh0du7EMg2Q514Szq Y7UZ75B15mzENwoHcSgvnzECAwEAAQ== -----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 336052725098442414243336842361803182470212 . . . . . . . . [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 2020-02-02 13:06:47 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-02 13:06:47 +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 'learn.waldorf.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 852025176191465939698242823315020211943340089659130538661753050869944082354065718048653407384930321179595621130949627515419735188874663342873308151099397270189315236187158441764620127717689098854523963444027345993042324765927975061327381161990949200237884561237173552113824526231775600396360519401380056250554444577791689353038410366541187747637586435485184347020991157560480638918797099815738980459824980800355335455020350920883238278850168504633991662559014436549155793441196909334171033363641191663548565535617591054196882885500242221793537497929942266765126391245483218789299851627339306278994257127645862916836008549056098239955815127983599166388762886558754544841366766346307460874371834740465841784486512036870017524934959045046969420531285633353298423678535132470998537928642570957257305374133581569562663816716648464338166207132327710968666460190295512370854389496717784448032010601640580557841504529941483760923024657141202021389138641147947262230576560455334548716692571929800287905454701942894020776275793778394989731011467755189823842279612359812254783402884546971526756505513800341467487382045043059069814515614418705798785913307848981077335319062807669913234432715317610349701641769269261311104367997389070640245350193 . . . . . . . . . . . . . . . . . . . . [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) c46d30760eefb7da716f9a93b9b4effb23678dcf . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'learn.waldorf.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 (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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001700639ab8a000004030046304402207acdb2b4244d9420f75dd51c2e4ca2d80dca55085c853147677294b49e40b70702206cf4f46b6292ddc1d79c57cb2a6cada724ce08896090ec5c7ff2e4635e6bb60500760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001700639abce000004030047304502204b66473fbb476ad1665b7793a46f467d0cecd752ed7784f690822222fa095f13022100da09d3af6181d1f9f9068e059f8be84233b5bfebe4e09130b0131ecffe57b50f . . . . [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) 0013919c72585be6db7a8e582e6c99583fc5045f219b97aa21d1e2610a197142318fa6beb079f6fce3be12d3499a9292502610cbee41183b7618dfdfecfb4c12de44869ffbb4f5f1c2dc361c5cfc2b60729a0445e25c17f9a23c2b3687c04ccfca4d899cdf234c2364db178ab2c296f7ca35646b5200e1551f3327c30c010377d8826289801580bb024bbb41d16e59a5f9dd5fc86ed090b1236bd88dceab0d6cf1127b4e9a6a851be6f069e578dfa304ae62e8943d1dfb9a0e1e34cf812deae15425d317386bd8c72a026ed2f994f55f09742bc075ce2fad1ad43b74888a9d2a7666398aa1ef8e2f9f53166a6e31132942d7a59920f4b337a614d230611b47d325