DV SSL/TLS Certificate for footprintengineering.ca

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the footprintengineering.ca DV SSL/TLS Certificate

This certificate with serial number 06:e5:42:5b:08:33:fb:a4:a7:22:22:5e:0f:ce:d8:2a:dd:1d for footprintengineering.ca 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 footprintengineering.ca 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:e5:42:5b:08:33:fb:a4:a7:22:22:5e:0f:ce:d8:2a:dd:1d
Serial Number (int): 600686579328570112037787317050461718764829
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 26:84:51:b9:9d:05:8f:e5:43:4d:5f:eb:68:cf:24:1e:12:a2:73:c8
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): 58:d9:33:92:dd:08:11:99:bb:36:1b:ef:a8:f4:80:35:9c:78:be:ef
Fingerprint (SHA-256): 2f:6f:64:2c:df:88:37:0d:ff:4b:89:45:72:73:9b:42:1b:20:6f:b1:1f:25:31:c9:18:8f:eb:0a:77:09:93:bf

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/30.crl

Check the revocation status for certificate footprintengineering.ca
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for footprintengineering.ca

Public Key Algorithm
RSA
Key Size
4096
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 footprintengineering.ca in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 600686579328570112037787317050461718764829
 . . . . . . . . [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 2025-06-05 11:38:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-03 11:38:15 +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 'footprintengineering.ca'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 935545513128392100504058069672865497644022076866100137243382668001999510551736557117304483356107421284183998324799841941404930807449171210109335205991854820378578469223316595560634210706995738113200809097217491155179431214970222019393084815077431595582172315172904822058525125895763335273773196587963937633806895464422137334843732841244491132992338554999386560034097636013005600181424771120421567245398211262996835945779865114492945426391570571872348377992475721631425330510784602058130614551895285439243422793261341214939400683171779103807903624657277862840262787848812724142063589439080732347441657592356366835250857613136039676063306624743121059877171677725737569491635124038630901488654886050457058508910354113277106687120279821135075955351877151714222748784145152626326721423831860343839429952986148509317752596490706730982984570566865483561606475311615656694713148838921035880121627986832233933090248884052881469766782347421091700097595565528622324449025742423280187378996033691613410019155255510700847319011988668015812492352358138043517061359543728672095699575848602279770559693896397670086707909658352686142521300909627510338898236529788931539991953873370800720512376420337733191897631680480260872977738732825211940778881163
 . . . . . . . . . . . . . . . . . . . . [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)
							268451b99d058fe5434d5feb68cf241e12a273c8
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'footprintengineering.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.footprintengineering.ca'
 . . . . . . . . . . . . . . . . [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://r11.c.lencr.org/30.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)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a84540000019740180be900000403004730450221009119cc87402a8f0d69a8c9c54fb48c00bc31908054898989af5582267f242d870220622140842387eba8668f370cde1c1d9aef73a3f3a43591e8afd3ddd548bbb893007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a0000019740180c2a0000040300473045022100d63895852f02dafa6894e2c32b7c0ce329e000b1be3d713b329dd057fe34251a022010cce7847babd906b2e4aa6cccb7a460245f251986328b4b0ee1fda02e41b742
 . . . . [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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