DV SSL/TLS Certificate for michiganharbor.net

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the michiganharbor.net DV SSL/TLS Certificate

This certificate with serial number 06:bb:30:f3:aa:1d:89:8e:f3:6c:5e:24:97:1a:c0:b9:4f:6b for michiganharbor.net was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for michiganharbor.net provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:bb:30:f3:aa:1d:89:8e:f3:6c:5e:24:97:1a:c0:b9:4f:6b
Serial Number (int): 586371586327061094069451199077805985451883
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 75:4b:c1:97:e6:09:0d:f7:92:ce:66:2d:31:5f:6c:aa:13:6e:b8:6b
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 53:ce:ee:13:e5:30:c3:68:90:e8:03:77:77:e1:78:b9:27:88:4e:dd
Fingerprint (SHA-256): 38:ba:35:5f:8e:26:58:f2:1b:2d:0b:7f:76:a1:a2:b5:a8:11:86:29:5c:3b:be:cb:91:20:d9:cd:1c:fa:5e:40

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/108.crl

Check the revocation status for certificate michiganharbor.net
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for michiganharbor.net

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for michiganharbor.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwfKVK3DPY0r3NeyyCI2y
O7cb9rCYcEA260AtgWt2zONeZ6JgCQEHokRYJn3XwWBeWAOZsMwpSGJLlGrXrjSB
Xr6KH1+1KoexTgt10Dnh7hgb05mKubCQSER0i7iIoxbHMspVAW+ecUxD0gu3fKWQ
X38kDJu61AY+7CZqxUZV7Xdo/t4fX3lkrije9NJZ2omi0z4ff8Finh2JZAfSks1a
buhCan1uW77Ad8CxNFwapJw6sQ1ttHSTo9hPS0nUHvrwbQNWQBnwm4m82ZQu1pxX
3nfZnXJLH3qXpWe6n5hIpY9cgf+8uuM27S2SSh1tUKcfNGVUZoICYj1z0HxQYQQ5
8QIDAQAB
-----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 586371586327061094069451199077805985451883
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-27 15:14:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-25 15:14:02 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'michiganharbor.net'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 24483614843283409121948303675928529657082765940116430373567259970266433080065406869787531224208471747698798334135469879441246900371145312556910982723156611267691577104617183575563413529832135487908974964121713085037923783937225132571458093424019909518103622656756655080449606612229464819156636222288940937782408201047307739271462277496162857494502341188033351629955470686199356972391673803112151274390014522835614411291760402282114573550133903297616530465868990519004839937485393680327563315858914887337501205220640262522956352439745541870354161623170825249827449529312956591306267237144047266030883213134453702670833
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							754bc197e6090df792ce662d315f6caa136eb86b
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.michiganharbor.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'michiganharbor.net'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/108.crl'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019712845c850000040300473045022100d38c6efe945b4d113deb523c9196d8c58bb73efb2243c4ec2a5959ff4f32fcba02205d71029675c2b48e038b7cb62c4960c8421d6771b60243ebf860f805467e4a84007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019712846461000004030046304402202ea6b2218385519565e6da667e41a7644c57b92738608590821c1aa502c8c2a102200c33eeee8e62b6856585d2cc2eac42dc4fa3a4fcf70199a74cc77bccf0ce381d
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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