www.augustusmartin.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:dc:61:96:0d:b8:e1:51:14:5f:4a:ec:f8:dd:59:67:b9:d9 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.augustusmartin.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dc:61:96:0d:b8:e1:51:14:5f:4a:ec:f8:dd:59:67:b9:d9
Serial Number (int): 336328692756326157862132775363914343365081
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5c:ae:d9:c8:b2:6c:a5:90:75:13:35:9e:80:ff:8e:82:f9:24:20:1f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:7d:05:83:fd:23:6a:f6:a2:28:53:d7:0e:53:73:c0:74:32:f2:0a
Fingerprint (sha256): e1:52:38:8b:d9:3f:2f:bb:06:1d:99:d5:73:d7:9f:55:0f:4a:05:d3:bc:ae:75:8d:12:f0:f6:c3:71:3c:27:e3

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

Revocation information

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

Check the revocation status for certificate www.augustusmartin.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.augustusmartin.co.uk

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

augustusmartin.co.uk
www.augustusmartin.co.uk

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helpdesk.bettybarclay.com
servicedesk.mvhomes.org.uk
support.cantabrialabs.com
mas.aleaticalabs.com
helpdesk.groupe-r.ch
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support.oprisk.hu
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service.augustusmartin.co.uk
servicedesk.mvhomes.org.uk
helpdesk.prosapient.com
help.amiculum.biz
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support.cantabrialabs.com
service.augustusmartin.co.uk
support.oprisk.hu
service.augustusmartin.co.uk
helpdesk.groupe-r.ch
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www.augustusmartin.co.uk
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ithelpdesk.smartmanagedsolutions.com
service.augustusmartin.co.uk
helpdesk.ebusco.com
ithelpdesk.smartmanagedsolutions.com
servicedesk.mvhomes.org.uk
mas.aleaticalabs.com
mas.aleaticalabs.com
ithelpdesk.smartmanagedsolutions.com
helpdesk.ebusco.com
servicedesk.aquinos.net
support.cantabrialabs.com
*.augustusmartin.co.uk
servicedesk.mvhomes.org.uk
help.amiculum.biz
support.oprisk.hu
helpdesk.ebusco.com
support.cantabrialabs.com
service.augustusmartin.co.uk
it-servicedesk.afblakemore.com
mas.aleaticalabs.com
service.augustusmartin.co.uk
helpdesk.ebusco.com
helpdesk.ebusco.com
helpdesk.bettybarclay.com
helpdesk.ebusco.com
helpdesk.bettybarclay.com
support.oprisk.hu
augustusmartin.co.uk
www.augustusmartin.co.uk
helpdesk.groupe-r.ch
service.augustusmartin.co.uk
ithelpdesk.smartmanagedsolutions.com
help.amiculum.biz
helpdesk.prosapient.com
helpdesk.groupe-r.ch
servicedesk.borer.ch
service.augustusmartin.co.uk
helpdesk.bettybarclay.com

Certificate

The complete raw certificate details for www.augustusmartin.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAusghmwyGdHn0Np9B2WUX
IQLC+squx/qWueCqOlgRgwW0GcfdRh2U0r6zj2C7GVNoxRW3g/tUWv8o+EUYjvTD
ro/5+7nSn+iAjg5UUGOEL78OiT7XlhDUwOtbUh4e+eqpOr8QWl3zQBplk6P9ylsh
peA17O26hJNjORaTNVUxMJLvpwHBw9FpSSEJGH+KSBgoG6OUPtbt+mlnZb2zY2xK
TOGgKXj78Kt1t8MLaHz+FD2Oy3tO9/+nLMOGWgCeeWV31IU9HygXC6+nswOhV048
yZI2+UoRSbE1YwtGSAeQaQpgY8TuRO7KcNZd2GrFg5vVZfc9ofE9umbdloTesxBM
+wIDAQAB
-----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 336328692756326157862132775363914343365081
 . . . . . . . . [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 2024-01-17 20:19:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 20:19:05 +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.augustusmartin.co.uk'
 . . . . . . . . [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 23579013132131139077898408241607013440495732022580229661425811900153767929114580608019274165188586663658105280446801693550177667059844255387949647945389770928449426594471397657883299439129261476804493449534415159623374311804886091639018603789476737484488265430360625828830940024650089132270130203491696595273163967213523982502900348258750487497854720702865333768407781799381632845277350574717551581684517136645275863183232365135672100415255824212196600945554581497226063636534663717251896469079034331058435064360258570452547814947123192572726109422440594838441620297171483058675059805602920220924828068511708332707067
 . . . . . . . . . . . . . . . . . . . . [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)
							5caed9c8b26ca5907513359e80ff8e82f924201f
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'augustusmartin.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.augustusmartin.co.uk'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d194ac4ef0000040300483046022100988909d33a2cc6ecf5c0714c4988b57987e77d637c701493630b658f360a24c0022100c64b32712ab2906c9f2ecdfc787af7d241940a71383a67dbc3ef76d8274b7427007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d194ac55600000403004630440220043e5d2dbe203a477f9888eb50e23a94013987d83c983eb5c5703c12421ba2a0022023dc932d61506968f55bb2465f947f8e30a302903ccc8b713376b3219d1ad067
 . . . . [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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