civtedu.org

Issued by R3

About this certificate

This digital certificate with serial number 03:97:1d:fa:04:cf:31:a2:91:91:a5:8e:e0:bf:2d:c2:d2:22 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): 03:97:1d:fa:04:cf:31:a2:91:91:a5:8e:e0:bf:2d:c2:d2:22
Serial Number (int): 312759340983980073544015877940932943991330
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c6:4d:7d:5e:a5:d3:99:52:09:97:76:b2:9d:10:5a:69:b4:da:22:71
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a3:51:b9:87:48:33:77:76:e1:68:df:2d:c2:0f:6d:90:e7:19:03:5c
Fingerprint (sha256): df:41:b6:9a:28:17:ce:03:1c:6c:d1:c3:6b:82:1d:fa:7a:3a:3e:14:99:37:df:8b:3a:d5:e9:a7:e0:84:ca:b7

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 312759340983980073544015877940932943991330
 . . . . . . . . [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 2023-11-26 05:36:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-24 05:36:23 +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 883858979824642535995892297131753258827735662558592913873452822108238737901746760852050120325424035100315474676925003119590066420198919933133482020118495625504466378207161434293295932156720674336537725870037270608765102357074566109426798755794710672883859638941468253567430376063994715430361571601599275654543326288071299870710058927600621622024453759659331968744144865218427668335417761703941005666812654025485493327306562434253919027759833723635120597202298704829232052719130277963613373778667799531052731664773605065077002842069296201200163456392252973861463061071584187707327986593741123833495917642493458706084351559205686064928837561930227783534218266933279591694422235309824729008022424923477684323740690237072619090164634605537929120408930348604210561099775190235971917943976982010040784572323967819136436798919388179925424254643248491414190029677967186001086567043416747949612492460429914191361239560422652164396710978990988674171236714588480189281457350151738091868546466877532718300791161524948940809276978481496541476501152318929910992093735286487234855042956412242787004865153104471022286928301731984849184876083094663183591708808316527025589617414419143694069409160412164412471203906111872718655364220511170387371150699
 . . . . . . . . . . . . . . . . . . . . [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)
							c64d7d5ea5d39952099776b29d105a69b4da2271
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c0a57ee920000040300483046022100916989a5f66b53ecff8933d3ac6cb9d6379a1c349323ad12169945fd17baec2b022100e84382fd19b564759f064e49b45a0ba1808b1567360d8116bd662b1131e787bb0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c0a57ee9b0000040300473045022100d2d9c8d354d0fba18fa89062aa4f53222fc07a4e6fbb3e022bcea278ab52bfcb02201e829a40c29972e2e16c321456d549a0055fef02f791af7ba8ea99f7e0bf9f3f
 . . . . [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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