civtedu.org

Issued by R3

About this certificate

This digital certificate with serial number 03:96:bc:77:2d:fd:8b:ff:f6:b9:96:0d:d5:b3:2f:55:01:c6 was issued on by Let's Encrypt.

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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=civtedu.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:96:bc:77:2d:fd:8b:ff:f6:b9:96:0d:d5:b3:2f:55:01:c6
Serial Number (int): 312629726512751724425980430635359268045254
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bf:2f:dc:3b:bd:9e:46:8e:4e:1f:46:e9:9a:37:85:5c:d7:16:fb:8e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8f:5d:3d:16:b6:39:cf:24:f4:75:13:8f:2e:64:39:c0:e6:ef:07:5a
Fingerprint (sha256): 86:ea:b8:a0:66:a2:3d:8b:4b:8a:46:50:58:6a:c6:2c:07:dd:9c:1f:b7:ad:0a:a3:ca:cc:64:b6:43:2f:5b:21

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

Revocation information

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

Check the revocation status for certificate civtedu.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for civtedu.org

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

civtedu.org
www.civtedu.org

Other certificates including the domain name civtedu.org

(limited to 100 certificates)
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
civtedu.org
civtedu.org
civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
mycivt.civtedu.org
civtedu.org
mycivt.civtedu.org

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 312629726512751724425980430635359268045254
 . . . . . . . . [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 2023-09-27 06:25:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-26 06:25:10 +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 'civtedu.org'
 . . . . . . . . [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 843034423661361963483747758038481413427696336902352927928862249966917869208490952783502843874219869459616719354516254958232289780233028917517521754082700992196340158650475810390076032780920146212634035723571901264528702445588553034951580373904745730232008809005614397389672805615917850575972666604835848558596431858766130711573422298210807409511386913335246088001848779719330162236389675352972287729657562435255529459971121336815289731023723134927235855147541531336251047975911203496042972870006853588466356368321070689027823676106935527509364864321657367391985526600637432397508982991095209621809733144131253004324044804681031686241558761748477961845618797019167736729986183119535370525533753277355629978520380087916925875767594254046933079934564274616818392240617240881405520771408063448489105054671634757404403414893965090055599314080640865060511935331984690583681738659047442555812109145523548399698908672293495867740146164349703429305043495332325855937440754821312101394997353776837942923212569260116454612319416045203001510486352603012119860457951191446958568703354836158399374479131185815505953449327572506696530590712160028414235859672340405692894599978111863084791512876661272074730636750892109291243549677255843359644030799
 . . . . . . . . . . . . . . . . . . . . [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)
							bf2fdc3bbd9e468e4e1f46e99a37855cd716fb8e
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'civtedu.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.civtedu.org'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ad5870bd6000004030047304502206b7e0d9b2b4063677ff994213c7eb9471bd7c6364a5004dff1891bb95d28e09e022100bb9fd32a5f4d172748a59d56661feda57617b55840266547b7d87fa828ddefdf007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018ad5870b70000004030047304502200ffbff4ab139adaffc79b2b623d49e3034a14bf76f98ce30ecb7444789a1382b022100f057da68420a7f9af8457e1caffd1921d3a57025b4b4ad728c01d64cbdf37d5c
 . . . . [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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