www.viewbook.adelphi.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:8e:ce:0c:e2:d8:c6:85:0a:c6:85:70:a3:4e:00:3f:1f:97 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=www.viewbook.adelphi.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8e:ce:0c:e2:d8:c6:85:0a:c6:85:70:a3:4e:00:3f:1f:97
Serial Number (int): 397043127705507535884367502207438248943511
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d0:1b:08:2a:c1:99:a4:bd:09:4f:fb:17:06:86:12:56:30:12:37:24
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d6:50:90:db:e4:97:d4:33:80:7e:cd:6c:e3:b6:fc:a3:1d:c0:1e:18
Fingerprint (sha256): 0e:ec:45:d0:86:82:6a:4d:99:56:b1:5f:91:33:8e:c5:29:70:9f:21:67:75:24:02:b8:ae:f5:4e:aa:a6:ce:00

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.viewbook.adelphi.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.viewbook.adelphi.edu

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.viewbook.adelphi.edu

Other certificates including the domain name adelphi.edu

(limited to 100 certificates)
securedns2.planmygift.org
netreg.adelphi.edu
cluster.technolutions.net
academy-achievements.gong.io
online.adelphi.edu
webworks.adelphi.edu
connect.adelphi.edu
netregdev.adelphi.edu
academy-achievements.gong.io
au.credential.getsmarter.com
cluster.technolutions.net
securedns2.planmygift.org
cluster.technolutions.net
cluster.technolutions.net
web.offcampuspartners.com
adelphi.edu
academy-achievements.gong.io
informer5.adelphi.edu
n001.offcampuspartners.com
cluster.technolutions.net
scalefunder.net
adelphi.hostexp.com
aonhrlearningcenter.credentials.aon.com
libguides.adelphi.edu
cluster.technolutions.net
aui.adelphi.edu
arkansas.adelphi.edu
academy-achievements.gong.io
cluster.technolutions.net
standby.emergency.adelphi.edu
goblin.adelphi.edu
adelphi.hostexp.com
cluster.technolutions.net
securedns2.planmygift.org
cluster.technolutions.net
securedns2.planmygift.org
technolutions.com
cluster.technolutions.net
au-tableau.adelphi.edu
cluster.technolutions.net
cluster.technolutions.net
moodle-vpl.adelphi.edu
cluster.technolutions.net
support.adelphi.edu
web.offcampuspartners.com
sfunder4cert.net
www.offcampuspartners.com
aui.adelphi.edu
adelphi.hostexp.com
landing.onlineprograms.adelphi.edu
www.trht.adelphi.edu
www.viewbook.adelphi.edu
merope.adelphi.edu
api.adelphi.edu
class.adelphi.edu
login.adelphi.edu
connect.adelphi.edu
portal.adelphi.edu
alicatplus.adelphi.edu
studentweb.adelphi.edu
cluster.technolutions.net
web.offcampuspartners.com
securedns2.planmygift.org
sfunder15cert.net
cluster.technolutions.net
n001.offcampuspartners.com
cluster.technolutions.net
filesender.adelphi.edu
pan-wlh.adelphi.edu
n001.offcampuspartners.com
cluster.technolutions.net
cluster.technolutions.net
cluster.technolutions.net
trht.adelphi.edu
support.adelphi.edu
home.adelphi.edu
askalibrarian.adelphi.edu
cluster.technolutions.net
adelphi.hostexp.com
au.credential.getsmarter.com
*.libproxy.adelphi.edu
intranet.adelphi.edu
cluster.technolutions.net
libguides.adelphi.edu
live-web-adpi.edu.help
libguides.adelphi.edu
n001.offcampuspartners.com
aonhrlearningcenter.credentials.aon.com
securedns2.planmygift.org
cluster.technolutions.net
aui.adelphi.edu
auconnect.adelphi.edu
cluster.technolutions.net
n001.offcampuspartners.com
certain.adelphi.edu
moodle.adelphi.edu
customviewbook.adelphi.edu
alicatclassic.adelphi.edu
libguides.adelphi.edu
online.adelphi.edu

Certificate

The complete raw certificate details for www.viewbook.adelphi.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEQzCCAyugAwIBAgISBI7ODOLYxoUKxoVwo04APx+XMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMjA2MTYwNjQxMjVaFw0yMjA5MTQwNjQxMjRaMCMxITAfBgNVBAMT
GHd3dy52aWV3Ym9vay5hZGVscGhpLmVkdTCCASIwDQYJKoZIhvcNAQEBBQADggEP
ADCCAQoCggEBAKSeeIakAulrsw6hfeYtpEdxvL/XJ11B+Rf43tA+4T2IWHWYf2Ob
5TZb09GTqSR9TKV4x5L19fpaOMO2j2bvwcZOfLeCg92uvnbY3TztnHMFNILRFNXN
kDtJDZGl/pUc9cgGk2URIBtWn5whYQPTkiiHlwFjI1+isJso9/lrKDSpfPgCETIW
M9j9SU6rJXXy9xpiU/pLNo8qJdxdn83TWARMOWQLDiXsyjWjENioOAPVYw4038oR
9WdI+RsaXNwDUdqdMLkcFHgPmuQouWuPtqpCAzDOXHmx4qnnkoHUn/CQ8mG2ygk2
8nwpG9U3BsYRI4Zce+iPSqKT70f8KtcEWF8CAwEAAaOCAWAwggFcMA4GA1UdDwEB
/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/
BAIwADAdBgNVHQ4EFgQU0BsIKsGZpL0JT/sXBoYSVjASNyQwHwYDVR0jBBgwFoAU
FC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzAB
hhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5p
LmxlbmNyLm9yZy8wIwYDVR0RBBwwGoIYd3d3LnZpZXdib29rLmFkZWxwaGkuZWR1
MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH
AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMBMGCisGAQQB1nkCBAMBAf8E
AgUAMA0GCSqGSIb3DQEBCwUAA4IBAQCvayw0rC7P3X2MCUdJwg5eLzZtlvtLiVJV
T4XAR+VdKvnBzvVirA6PH77FRjgxpq57yQmDUsDz7OteYNICYswCsg3wKC3a+dCN
BKBWBpbCNh4F2RsXc8lKuhem657izjSSytCs/Q9Q0w0VEdYOOpGmSqMsif/uP8hd
BovyaigkIg96Es67SIkveeXZLmeSQJbeedbxw/lPBwx/PAR5ZO66FuPf0dPaHcUf
jRNM5WymbI7rF9ETQoEDAq+4cpmQkh2r8dbMVOsXWZHJRm21Ppxzt2qqPHh9DkdJ
/nnkwZqD1saV6iaOMQhkgi1auiWIeyWgukp9eZb72zdpDUBrF4Fy
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApJ54hqQC6WuzDqF95i2k
R3G8v9cnXUH5F/je0D7hPYhYdZh/Y5vlNlvT0ZOpJH1MpXjHkvX1+lo4w7aPZu/B
xk58t4KD3a6+dtjdPO2ccwU0gtEU1c2QO0kNkaX+lRz1yAaTZREgG1afnCFhA9OS
KIeXAWMjX6Kwmyj3+WsoNKl8+AIRMhYz2P1JTqsldfL3GmJT+ks2jyol3F2fzdNY
BEw5ZAsOJezKNaMQ2Kg4A9VjDjTfyhH1Z0j5Gxpc3ANR2p0wuRwUeA+a5Ci5a4+2
qkIDMM5cebHiqeeSgdSf8JDyYbbKCTbyfCkb1TcGxhEjhlx76I9KopPvR/wq1wRY
XwIDAQAB
-----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 397043127705507535884367502207438248943511
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-06-16 06:41:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-09-14 06:41:24 +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 'www.viewbook.adelphi.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20781226880608719227424812732106446749773599307882080004344699600507340211505135940691151315148525184278277416712049607304933825485811362100083631264238063251319150534079071656250843010571354808566108010310413819491331698565127887129163546317782155059038050602773779190231196356514411285890805378493939852355798780141689153745651525865197963018943324875976844980797261875570875505435296022962734809959867186187134768643435868678381259949797839843640872882986934518709216915393941136639181239736441795765605355037808928102796382704337859776408447640662050367898646925716683544096788125778169824531614806750983325243487
 . . . . . . . . . . . . . . . . . . . . [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)
							d01b082ac199a4bd094ffb170686125630123724
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.viewbook.adelphi.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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