www.umcnic.org

Issued by R3

About this certificate

This digital certificate with serial number 03:f3:c8:00:a6:03:34:bc:9c:5f:93:b4:6a:86:68:17:19:ce 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): 03:f3:c8:00:a6:03:34:bc:9c:5f:93:b4:6a:86:68:17:19:ce
Serial Number (int): 344291321923359769666789625671068557973966
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: eb:e6:4e:e8:62:03:24:39:c4:33:cc:5a:55:2b:74:0e:e7:ee:8d:0d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 23:d2:dc:08:f9:f3:2e:bd:f9:69:be:be:f1:01:9e:31:07:58:5d:89
Fingerprint (sha256): f1:bb:34:6d:14:3a:bd:9d:39:08:b6:c9:4a:f0:85:f3:b8:fa:ab:2d:b5:47:ed:90:66:99:06:d1:08:17:26:8a

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy0lxEuTbZ2DglkpTRHTf
xJQSCjHrupU34CKhdRe39G5bYqRHxWnQx3s1rcyAOff9pvoApqA8EFYwfvXsORc3
uX7gVVsN75MOuMWmibAJWXbjx0bKmfo7EUboLCwtbIRJJT4bt+nkDik7bGj60rdk
igCyKTWYSkGhLIO13MUUZZ6QONlFH45XmxdtzfPHUHmAn5MGFwwNshzTjeYCW7NN
Iuwb67iVl8Gmh1RJeMIWNuLcOHJM8QB2HRQl0Pln4SP4Kf8JXjPE44Be4O+3CN+a
FY5vTNSo8GCcver5p6DARqMVhrIK0RAfYKpka+/MiZO1uoqoKRlLhEeZMr/+dMF/
1wIDAQAB
-----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 344291321923359769666789625671068557973966
 . . . . . . . . [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 2024-01-28 18:56:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-27 18:56:57 +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 25662591357460366048553250745607240130952978490846777300875789703404626030343744109689964920637873623067319142553826355607571660364950013529825043033117748176563232481671213091878193496496465751735421402608050001835141203188052680627561811695358714371218480785587676619925843937557873758012637429429393148700763918677938082230168512075812420933086253440192944574046995363776965146447192044383062637159447261775526856019576457246627262471033631881263584080850912287222413980147720876838416817643302275684378897405709442134219979711510705206779929039295474076955819096681703946712616597938445614955271248935732524449751
 . . . . . . . . . . . . . . . . . . . . [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)
							ebe64ee862032439c433cc5a552b740ee7ee8d0d
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d51a583910000040300483046022100d3bf78b642fe6525d0f9b612f8ed39491cfc61eaf35f74d73c7d23ab5091c861022100a12099e261a9124ddd277ecc3fec77677f5fad8bc384ab750f0c88e59513ae0e007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d51a583ab0000040300483046022100d8263ae12063b3b2fc317e5701c6e53ce0e234fd3191aa5a5e433f5541d3c2d4022100b0418417ee4a48a08515c5757b2fe8e7e59f37e30b2aeb24ffa8892069926e81
 . . . . [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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