DV SSL/TLS Certificate for www.geekbro.net

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.geekbro.net DV SSL/TLS Certificate

This certificate with serial number 05:c8:8d:47:b1:d4:1b:0d:8c:dd:47:24:0d:15:18:8a:fc:26 for www.geekbro.net was issued on by Let's Encrypt.

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 www.geekbro.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): 05:c8:8d:47:b1:d4:1b:0d:8c:dd:47:24:0d:15:18:8a:fc:26
Serial Number (int): 503805696450262797812519181653985744059430
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 6e:f2:96:b6:32:96:b1:75:62:ad:4b:03:49:1e:72:0d:45:d8:3c:8b
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): bd:17:87:28:f4:3e:4f:99:12:e8:a4:12:da:ef:b4:8d:51:b0:3c:48
Fingerprint (SHA-256): bd:d4:65:a1:ee:76:96:7e:18:0a:60:54:8f:ad:87:f9:8e:85:dd:c1:7a:3f:01:a0:2b:be:ca:df:ef:82:b2:4d

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/39.crl

Check the revocation status for certificate www.geekbro.net
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.geekbro.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

www.geekbro.net

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvH5HIPoue/4sRCOpGNo2
sA6vHIHNoof2SDXeEVrenDNixt0JtK+xJcShWltKUrl7rvwFKQ663KHKILhdAl3z
aJ1cZzGw39hD+XzyaL6j7cS2ovcJ+9RdZK0EPiOMDmKLWYPVYAWFZWws/5MQG+CX
npXE21RiHUd1DilL/bsGJxqdbi2q9cGsh8zu2WZ2iMYD1XoGfUqp79bRDLKxvSm/
Rj8trYYH/nEp5tgwMffu+etyMVFuaP/DxrJpTemJO7tMr17aT7EWjL3Dfmi4W/Mm
gqH8YwD3aN7XpkCcCaGTW7040WwDz579Zb6PIEF2cGe7DLTMct6ygaNWuS10A2wi
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 503805696450262797812519181653985744059430
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-17 18:24:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-15 18:24:51 +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 'www.geekbro.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 23795071260778697819589206935256219480001831256349219774394411322817680129815048832979953046995522500746760277528280556495185243819257594687308173355969213206740171314494402662622009475903926713137289398949359236225177050726095196275207072683327465310362873299632946716003159004233803816278288979047066455041622511409869737869387931180582489252481078616255097036119660129312368224639196639040911416930053386855044218414480770467267077852369789785016457767933985929058136842944547486711459730651084861636462137554655455321084335096409084640080986389248776592400485831931673421039521902378550683127467627094958127456983
 . . . . . . . . . . . . . . . . . . . . [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)
							6ef296b63296b17562ad4b03491e720d45d83c8b
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.geekbro.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 (39 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://r10.c.lencr.org/39.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001977f589bac0000040300463044022002343e2ecc2c22c270935044be25eab88727e74609e009d7aeef013291ae00f202207b1a6e2ce47f50e828a6e85c1d82fd7caa954b987fd91703960f7734d394ec08007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001977f589be900000403004830460221009d46e450c4eb12c06f34d7d87a10811f61f198e317fe133a8c6ee6ce2cc88eb7022100d86cc8694d69ad024284f198371a07f61733c4135af18e30fa7b400a235ab509
 . . . . [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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