www.umcnic.org

Issued by R3

About this certificate

This digital certificate with serial number 04:74:94:49:0b:eb:0c:98:1a:42:ce:29:2a:56:14:ee:b5:76 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): 04:74:94:49:0b:eb:0c:98:1a:42:ce:29:2a:56:14:ee:b5:76
Serial Number (int): 388119003312645710471730499320601801307510
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7c:a1:76:db:13:f8:09:31:22:9e:8b:49:eb:13:8c:a9:a8:ce:e1:c2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 49:ed:a8:4c:99:68:a9:25:59:7d:00:86:f5:49:84:64:be:8c:4e:8f
Fingerprint (sha256): 48:a6:b8:7d:a6:5d:f1:77:04:81:ce:c8:b4:32:ab:92:7b:c9:8b:f2:c3:d6:9c:53:62:6d:45:8c:32:0f:22:cd

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+7fyTq6TBKoQh3c01qpx
RJhnvPBFPwY6sg9l9Z97aZVGf4EquudXxfU0qBe5NGZgdnXMGJV3IiJfgG4/qNWs
c5IfWY3F1wjUZ+BW6LQQcx/dguxtv/8u3QjO09V+nm5rIJlpiNFcslJJ3JTHCG3c
BoBSmcF+kjy9p89VUbR5OPXuOl56XwPc9//3hNlasFo/XFHsehX0Z/AQ6nBtRuyz
nMBtnHmsGXcbTrh4pE5yhtaxGzWmEMAUGd74LSTureHV4tYpPB9Ls6x2RirxzDFP
DxnoK/CQ8NqggHKyxPrUIFcVbCq+ducTX4i2CWrEysoTd9AI6UM5vxwZvj3x2nrU
LwIDAQAB
-----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 388119003312645710471730499320601801307510
 . . . . . . . . [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 2023-11-28 18:57:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-26 18:57:42 +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 31776521952797209936233440004118679534715096365206999476873500030645757433306866167303914159855486143091604282691829703546191287613422089508555913967543323577061303634576025973581302008580952817697760285938538521889813832555410813723647464901016867301335778237406242040484313504065777752739663783849706425561682284045773598876021241577400815788682469264802930284185847156014255989834496862594895324065521551303406649021781769766553086286448649391427422407120532779975884201843840206955925132725318370542570426082827600966307894412133779994714083475303860821389576174049442783124646569486200790672022861284727580185647
 . . . . . . . . . . . . . . . . . . . . [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)
							7ca176db13f80931229e8b49eb138ca9a8cee1c2
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c17824a100000040300483046022100c7e8b7d05c7fe74234cece2b6fab0bb9a7bde44604f1c653c76ef93bbe87bfbd022100beeef7723992127b2f718c8a69d42504b2befa3fb6b717294e4078ad0c0e8c5b007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c17824a38000004030046304402202ad48d884e6c5b547ba8b8aafcaa7c3bde6545d66aa6713003e9dd610ab3434102201d8e395bffce27201f2c2596f01f71bf00a864a6a421d2039169efb942c91357
 . . . . [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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