www.umcnic.org

Issued by R3

About this certificate

This digital certificate with serial number 04:1c:f3:62:f2:a1:66:73:d2:6a:64:ec:27:74:8c:ef:9c:93 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=www.umcnic.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:1c:f3:62:f2:a1:66:73:d2:6a:64:ec:27:74:8c:ef:9c:93
Serial Number (int): 358300566170025700273324730454987489909907
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:81:d3:69:eb:a0:57:c0:3c:7f:f7:e9:9c:b5:e0:ad:96:75:39:76
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): eb:32:71:38:68:aa:3c:60:8a:27:99:8f:bd:9a:7a:70:73:1c:32:ee
Fingerprint (sha256): 71:df:c3:ea:36:d2:28:9b:c5:97:20:66:f3:98:4e:1f:d2:b1:59:9e:96:f1:1a:84:d4:0e:2d:65:0d:a5:45:24

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

Revocation information

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

Check the revocation status for certificate www.umcnic.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.umcnic.org

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

umcnic.org
www.umcnic.org

Other certificates including the domain name umcnic.org

(limited to 100 certificates)
umcnic.org
umcnic.org
registration.umcnic.org
umcnic.org
registration.umcnic.org
umcnic.org
umcnic.org
registration.umcnic.org
secure.umcnic.org
umcnic.org
umcnic.org
registration.umcnic.org
registration.umcnic.org
www.umcnic.org
registration.umcnic.org
registration.umcnic.org
registration.umcnic.org
www.umcnic.org
registration.umcnic.org
umcnic.org
umcnic.org
umcnic.org
umcnic.org
registration.umcnic.org
registration.umcnic.org
secure.umcnic.org
www.umcnic.org
www.umcnic.org
umcnic.org
umcnic.org
umcnic.org
umcnic.org
umcnic.org
mail.umcnic.org
registration.umcnic.org
*.umcnic.org
www.umcnic.org
registration.umcnic.org
umcnic.org
registration.umcnic.org
*.umcnic.org
exchange.umcnic.org
umcnic.org
secure.umcnic.org
umcnic.org
*.umcnic.org
umcnic.org
registration.umcnic.org
registration.umcnic.org
www.umcnic.org
registration.umcnic.org
registration.umcnic.org
mail.umcnic.org
umcnic.org
umcnic.org
www.umcnic.org
secure.umcnic.org
mail.umcnic.org

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAykQ6do3kKDztz3qjJk+I
R7sa/VKdzmYyHlF5WysIAAXIJyL9lMN6JNd2DL7I2N6IkPl79CVLvY4iG1XpJqJ0
XMFd5OvFfOWZ1Lx6xk6hJ1i5uOLhzKLzBPizHZjFQHAP7nWysIqpglhDJpPFbU4E
AxENcMzfBnda/Hl5injD2eVR2/rk5u5lIZI6sMGg3JU1DFsfiX75GhBksMNL9eyt
yl1/CzIciOwkth4uDCTnXJs5nUh3qBxAlWlGAzxFRoYp8YOu96JNb8V7dL37afJK
j+1DiZU6PAn1QH5pR13Nyuz800XM3coBhHaYfGv76R+dmxiNlXOXpFxNLOyw1xab
jQIDAQAB
-----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 358300566170025700273324730454987489909907
 . . . . . . . . [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 2023-09-28 17:58:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-27 17:58:00 +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.umcnic.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25533782267081570209197330319916549491436306082154197588502335278992261456016044440216495118942292649582052314551840567692095389998776074266180547727285413776863110944404005522784611146431181031333950606231007252590394485755678481207118197686771693215645996306404698269721701038444816088396804579283993873615268783035419801103774869224927254641890902585034570015404041580683403368076322336706205137295535326397416401004558871435803987454676061096314262985267411604091097486576248157873194513243345031926154577317650577670363653154303657174262736329787863712672906215273639740239824744957467612231293019427910955998093
 . . . . . . . . . . . . . . . . . . . . [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)
							b581d369eba057c03c7ff7e99cb5e0ad96753976
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'umcnic.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.umcnic.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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018add27b44900000403004730450220648d77f7cb72dfabb9f7a2a9ae74e4dffc4df693a69f8f7a2fe4a18fa4ac8b22022100df0c724fb9b9cbd36f479b4c9128a7ae083b1668f3bfc56a0b8fe4e9a9fdff53007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018add27b45d0000040300483046022100fb3ae5e1d3f79e460e8053655c83e81fafcc46e8d837020502c6b126f35a8665022100b7c8be98c5bf6126bae75e612d91c4a83609ecba84003acad98f65f39a747f4d
 . . . . [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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