sustainability.ei.columbia.edu

Issued by Sectigo RSA Domain Validation Secure Server CA

About this certificate

This digital certificate with serial number 7c:e6:bd:9a:0a:0b:87:48:7d:30:55:5c:1a:ad:46:df was issued on by Sectigo Limited.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=sustainability.ei.columbia.edu

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This certificate has expire since

Certificate Details

Serial Number (hex): 7c:e6:bd:9a:0a:0b:87:48:7d:30:55:5c:1a:ad:46:df
Serial Number (int): 166022345334453483095942981291801921247
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 08:6e:c5:e5:19:db:b0:e9:f1:b3:99:d1:14:dd:ce:2f:20:53:3e:32
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (sha1): b1:9a:a1:85:36:92:25:a8:33:04:6b:c8:b4:a6:58:0b:83:19:51:f1
Fingerprint (sha256): 01:c8:52:3a:28:ce:3a:1d:84:11:ff:9a:13:fb:34:cf:4e:c1:54:b2:85:cd:8c:07:18:7f:25:ae:4c:d4:53:51

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate sustainability.ei.columbia.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sustainability.ei.columbia.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

sustainability.ei.columbia.edu
www.sustainability.ei.columbia.edu

Other certificates including the domain name columbia.edu

(limited to 100 certificates)
coursewebs.law.columbia.edu
mcftp.mc.cumc.columbia.edu
diamond.law.columbia.edu
classics.columbia.edu
tsividis.ee.columbia.edu
frontend.sisfrontend-uat.sis-r53.cuit.columbia.edu
povertycenter.columbia.edu
invest-serv2.ooi.columbia.edu
test-web-lws.edu.help
exprodmail01.cuit.columbia.edu
ssl.procurement.columbia.edu
nursingvolunteer.givingday.columbia.edu
*.hr.columbia.edu
5697124062724096-fe2.pantheonsite.io
us.prod.campusgroups.com
unleashing.tc.columbia.edu
www.mailman.columbia.edu
secure5bb5ec4d4764e8eaa9667dce.nationbuilder.com
wikischolars.columbia.edu
incapsula.com
nano.columbia.edu
emeritus.gsb.columbia.edu
courseworks2.columbia.edu
admissions.emeritus.org
video.engineering.columbia.edu
cluster3.technolutions.net
aspirerefugees.columbia.edu
cluster.technolutions.net
cluster3.technolutions.net
globalreports.columbia.edu
wwws-db.law.columbia.edu
us.prod.campusgroups.com
5691420614590464-fe3.pantheonsite.io
califano.c2b2.columbia.edu
dev.cumc.columbia.edu
amploadvance.com
www.icap.columbia.edu
icccr.tc.columbia.edu
guestaccess.law.columbia.edu
giving.columbia.edu
www.incite.columbia.edu
ad01.gsb.columbia.edu
thelowdown.alumni.columbia.edu
mail.biology.columbia.edu
*.isso.columbia.edu
digitaltutorials.jrn.columbia.edu
pawprtprodmprt1.cuit.columbia.edu
incapsula.com
5727389891952640-fe2.pantheonsite.io
columbia.edu
stat.columbia.edu
palestine.mei.columbia.edu
m.lawnet.law.columbia.edu
abate-shen.cumc.columbia.edu
jira.columbia.edu
incite.columbia.edu
portal.neuro.columbia.edu
idmapp.cc.columbia.edu
incapsula.com
haywire.college.columbia.edu
sustainability.ei.columbia.edu
lockers-dev.paas.cc.columbia.edu
connect.woodstockacademy.org
indianeconomy.columbia.edu
ias-drupal6-test.cc.columbia.edu
mail-in.cc.columbia.edu
beisdev1.tc.columbia.edu
www.design-engineering.princeton.edu
5753050442498048-fe1.pantheonsite.io
tls.automattic.com
chagall.tc.columbia.edu
prod.25.slot.cdn.salesforce-communities.com
5691420614590464-fe3.pantheonsite.io
act.dbmi.columbia.edu
www.cser.columbia.edu
5703702744662016-fe4.pantheonsite.io
soc.cs.columbia.edu
sni.cloudflaressl.com
amploadvance.com
sslvs03.igloosoftware.com
cluster3.technolutions.net
sustainability.ei.columbia.edu
stat.columbia.edu
library.columbia.edu
pistars1.cpmc.columbia.edu
nxterra.ucop.edu
portal.studenthealth.cuimc.columbia.edu
cice-dev.paas.cc.columbia.edu
www.ffworkshop.columbia.edu
shoreline.ncdp.columbia.edu
hudson.jrn.columbia.edu
enhants.ee.columbia.edu
p-ctx-dc-02.mc.cumc.columbia.edu
admissions.nursing.columbia.edu
realrisks.dbmi.columbia.edu
*.gsas.columbia.edu
cluster2.technolutions.net
www.make.columbia.edu
lawnetportal.law.columbia.edu
sy-cvl-vcs-p02.college.columbia.edu

Certificate

The complete raw certificate details for sustainability.ei.columbia.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvibx/HojkLwKhzY+ZnQj
pduSsiNLYbAkMqCKkBEGcujqDZk9tZ/d1Qxi1zSJmV02+OrU/8QWeC139MmsDzVt
ZZSmwBuU+vpyPHqBfBdJmmtdBK3+swzY3l5JMrd1IxhL1Q6tdNVkHFs+a5Ij8rKa
VZT+xiNufd1jOsKAhtNSyBko1ONI4BsbLAtsazpi0eKi7ooxur90/OIsivEKvcJj
vx0Yc9ArVui9yywQ5zsr7h2RgiUJE9UdNyesdCoFDlz4dE2rBfFOteF00jJTzMnt
McaJkN7MitMuKfd770bmSSN/3Xi4IjvWK9zA+jmJB7wfJdHYAdjkkV/CADI4FcpK
awIDAQAB
-----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 166022345334453483095942981291801921247
 . . . . . . . . [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 'GB'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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 'Sectigo Limited'
 . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-03 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-03 23:59:59 +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 'sustainability.ei.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24004482566404339897848210322117389614874175253265399316986582500808664218243545682714631617330673735133755447823421151444050041859789352285872105070037671804070966626303490601941672782457758657604455859774179365386241007771375434963155684614467413612918960641596427315040110640859962110937053214802695298341970123471421403278819874029450057668620973222621877525055853343540025803746946891802951193457008876639632849533727686368176536372355557031919368438338354621252149849763252242418708676451208980852185977986812394628404923384564599997955319181501948757109376430130562055488353688566144633013872472892849412262507
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							086ec5e519dbb0e9f1b399d114ddce2f20533e32
 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (70 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sustainability.ei.columbia.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sustainability.ei.columbia.edu'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001700cb8bbdb00000403004730450220705646692eb52d826e732be6e92ee237e3e11069e7789d87b7fcaac3d312c59e022100aa195a66ab0abe35e87f4de266166ff5ffe83277b46d048facaa275721f5de3a0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001700cb8bbcf000004030047304502201d1e2f8582388c61d90b5f725b95bddd68ec25456d0818ce63f734f4f070d31e022100e655c014975e6173dc5dda1d4a6914488a2e15b26d6bdec3ee1111386d4adc2c
 . . . . [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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