vickerman.com

Issued by R3

About this certificate

This digital certificate with serial number 03:11:f7:54:7f:18:a4:5f:15:64:89:8e:fb:b8:9e:ce:a5:73 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=vickerman.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:11:f7:54:7f:18:a4:5f:15:64:89:8e:fb:b8:9e:ce:a5:73
Serial Number (int): 267450416078650051019569438348341125490035
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3f:07:cc:19:c4:82:9c:cd:cb:38:18:33:87:59:c1:a0:c7:78:bd:25
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3d:82:7b:df:11:b8:8e:9c:81:e4:e5:3e:8b:65:29:4b:bd:d7:16:f7
Fingerprint (sha256): 3d:1a:7d:25:95:d9:4f:57:58:7c:6e:5c:32:d0:df:ae:b9:49:d1:e3:d3:83:ac:4b:c3:94:f6:b5:28:fe:3f:89

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

Revocation information

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

Check the revocation status for certificate vickerman.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for vickerman.com

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

vickerman.com
www.vickerman.com

Other certificates including the domain name vickerman.com

(limited to 100 certificates)
vickerman.com
www.vickerman.com
www.vickerman.com
reps.vickerman.com
vickerman.com
www.vickerman.com
mail.vickerman.com
www.vickerman.com
mail.vickerman.com
www.vickerman.com
reps.vickerman.com
reps.vickerman.com
vickerman.com
www.vickerman.com
reps.vickerman.com
www.vickerman.com
reps.vickerman.com
vickerman.com
api.vickerman.com
vickerman.com
mail.vickerman.com
www.vickerman.com
vickerman.com
www.vickerman.com
vickerman.com
vickerman.com
www.vickerman.com
reps.vickerman.com
reps.vickerman.com
www.vickerman.com
reps.vickerman.com
mail.vickerman.com
www.vickerman.com
mail.vickerman.com
www.vickerman.com
www.vickerman.com
reps.vickerman.com
reps.vickerman.com
reps.vickerman.com
reps.vickerman.com
www.vickerman.com
www.vickerman.com
mail.vickerman.com
www.vickerman.com
reps.vickerman.com
reps.vickerman.com
reps.vickerman.com
www.vickerman.com
www.vickerman.com
vickerman.com
vickerman.com

Certificate

The complete raw certificate details for vickerman.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgnOPpaFt6ZbwBR4NLwff
2e8o5E0UshEbR0RzFsL0tfRoOYfFthE8Zz4PROeiMZ2/Us3oE5TBlh/f6BY98JwF
TzqVatYcqXJwnpMGJmStSgdUJ06c2ywSXJG8MVPV9JfE9ZwmLvDGX3QNaou12xP3
WQ20kYx3pc/JppGb8BQdpeWg0MZZf9AeOe0EPUU+h2kIasKAakgPoQg3SDS+no/C
TgVdS19oHy6H5KJY46o/dQjx6N/eql+inohuqKnLQuuChsmCNCczb+7JirmkrwhU
JjCMkzTQKTckLkybS4+elVt6h2nesQ5PECBmHEZODSRkIPWfRMmfkaIh4FH6R/K+
1QIDAQAB
-----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 267450416078650051019569438348341125490035
 . . . . . . . . [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 2024-01-22 06:18:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-21 06:18:19 +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 'vickerman.com'
 . . . . . . . . [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 16467964958259979055510085543394573744650793095764715559156035097400133693346233042382958461637612369021248528855856935882885290011260054152420843729219794354597970939879750599651726585272986905835074234796963910872703910607587134171012710966045464264602828370460640843475417583361399480726745999430872299396156803864689937093336537730180892828402248387904382341401941979878927181219486341777780548680036894196676700775457636171914786846531486876791860270880072481406613223316707226467802164295413141394555369747659733101558586022633786862117909641438639314300227975121792541695377979197596030901191663351108730011349
 . . . . . . . . . . . . . . . . . . . . [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)
							3f07cc19c4829ccdcb3818338759c1a0c778bd25
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vickerman.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.vickerman.com'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d3008ceab0000040300473045022038f0ae22336e1843be9b59cc8a1a60decd8a45f02dc500f545c95ecb2b56d83a022100e84da7fb4eed4a6bdb01a781746bc4a5af9012a463e8d2ca58908c45b0a226a1007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d3008d0c1000004030046304402204ae2370c65b6d2882d7aae32ba0d6559383d4f61c3732d69f488dc91a3dd4a0e02204ce0568b4867a87e1cd008fda80e2e635f6f7ffc19de006857237ba77c435bf8
 . . . . [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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