www.augustusmartin.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:32:c2:6f:d0:31:ac:fc:6a:30:88:e7:d0:f8:7e:95:eb:51 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): 03:32:c2:6f:d0:31:ac:fc:6a:30:88:e7:d0:f8:7e:95:eb:51
Serial Number (int): 278609426940138148253458905278452860316497
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ce:f9:cb:82:63:b5:98:59:fb:23:83:04:13:8a:59:cb:74:65:a8:b0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ea:09:5e:77:96:62:08:76:00:19:6c:d4:62:40:8a:d9:c6:85:62:a5
Fingerprint (sha256): 71:a0:f4:b8:5d:5f:b4:b6:08:d3:f4:0d:03:95:22:2d:89:40:2e:a6:23:2a:77:c6:91:fb:38:79:23:c9:30:11

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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support.cantabrialabs.com
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service.augustusmartin.co.uk
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ithelpdesk.smartmanagedsolutions.com
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ithelpdesk.smartmanagedsolutions.com
servicedesk.mvhomes.org.uk
mas.aleaticalabs.com
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyU1XMala82J2KPxTh8Rq
j/P2+IKPXgGJADcrQJO5J0Iq6tLHnWdvHZZPbKVx6kjIXd4jp5xvTG3l/vXsbOVy
J/RFkT+DlEjn3+RIM1EJB5Z0vLhK03jgNHvFN3L0dauQdCZLkK2xS3uLNi6MPn2D
k1ms5uqKLbZwxfDEyy74NfXZKioLJoQJhq3bMAM+tnF38o15W1x6JdPZjk4MTDH/
E+oGJCW22ivrbGpRpRvsSRnEWCDssUmTEGIhPSlntsbTi5oYz5eN2fAnfv8tv+ki
fK4MgbwqqDwZ7FSEyUBucSXWoWMKK4hGv4YsMfIV/6qHRR/suzIooEI9rJ79N3TQ
/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 278609426940138148253458905278452860316497
 . . . . . . . . [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 2024-03-18 20:19:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-16 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 25412037370215183633577749667639352747547231957461129361027687030979835825570529203842401674771868165459950392346313926420784651976883314784332301717809604522533455948158645180683598592119714274751033686631599475013760837437201603673771018123334750812768171111694236421099704298312746017024811212627858576480716968340340902347449029796212083471819088933778041551886552956550749545036373165096283984421333177537341689786905340838642470944472377286524494024258297541179120331222726768274061986914191758263962321108639347501335967673776893103047601680647113954961696461038148167265525974065404241020095712466164941902079
 . . . . . . . . . . . . . . . . . . . . [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)
							cef9cb8263b59859fb238304138a59cb7465a8b0
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e536eb09c0000040300483046022100b6fa76b63a21bb8a33f78a7c939dcdab871eb01b28e92b23dc0323b7f09d65580221008827bcd67f0607e175856242a7b21b784d70e64544284b841ee3e8d6da81f7ef00770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e536eb24f0000040300483046022100f6328a3d76bb882966c4e0bbebd4e02f70bd99155e8569c759a0907abad8271c02210093f54870a7cd4f13669ed3a0c8df200f3a5b0d8baab54e56592a8f3ea1d9b9b3
 . . . . [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)
		00ac3ec432e51d304cb0f3fecf576d7c26382dba5f130696a3109ca3350b02df04334e0a1b867e57e385c53d6414cdf6e7d6ac36b4cdd337e4db312329e5e5686dfbb2d03ad536c355747859298eac50119b18a534413ca2597cd5070efd16ef68cdf383fdbaef8d03289e164e01b47b7127ad75c7e30743e003cd1e0ef452dcffac6d49b0037f32d9902bbe658e368058173e3f7d6cc506518eefd191988c2284147cfc146453a51fffe7fff4f0090558e975e3c1b7bb12fa2e75bedba0caed5f7eca73a88b4225e2630ff68dd39ca27ef7ef5feb97634649c71fad239ac6fb0e81148aab539b51427811ca697ff8ec199cee6a04ec825f02b3ad70c4971a7799