dmi.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:12:a7:ff:ce:bf:d6:55:09:46:d6:f0:96:02:b1:1a:45:11 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=dmi.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:12:a7:ff:ce:bf:d6:55:09:46:d6:f0:96:02:b1:1a:45:11
Serial Number (int): 267685249704227929601105741873731503539473
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6a:11:97:96:4e:6a:d2:61:b3:fd:22:af:78:99:86:78:c7:4c:9a:46
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7a:3a:18:96:5b:87:9b:8b:b3:fa:ee:9d:be:9f:82:94:ea:62:32:be
Fingerprint (sha256): a3:65:ab:6c:cd:48:ea:55:cd:f1:1a:9c:a6:2c:5a:96:9b:38:e0:99:57:79:37:96:b2:69:9e:7a:63:f2:85:b8

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

Revocation information

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

Check the revocation status for certificate dmi.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dmi.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

dmi.co.uk
www.dmi.co.uk

Other certificates including the domain name dmi.co.uk

(limited to 100 certificates)
dmi.co.uk
dmi.co.uk
dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk
sni.cloudflaressl.com
www.dmi.co.uk
dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk
dmi.co.uk
www.dmi.co.uk
dmi.co.uk
dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk
dmi.co.uk
dmi.co.uk
dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk
www.dmi.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvJiIV/7wuSvHVHM36TgH
gGoq+en7gjRuDr4miHuFYXEbGDU9uOiSsVCXLPJhQu3HomQug0zoq+RaMXhPx8+m
YwBvsmnKy5OLoZdR3Q5PqETkaj9cmFfQ32xEKbNW73p3L+HDMXhnpd9iS0ylNG4d
9uOX18Bz+DDUb2EwzycnmMsH1a7KMAU1QYerQBL1FzONttypWTaIUQI7XXdm6HSq
dDtt9sNzASsmKPOQmWBe91ZgZyK5eJh97F3oKT5EGZHEJz22Y1+pJB0Wxyf/Mr+X
4RTlLGNj1+8vqAF9gILzvFfxTPAxSCrTaKiLV7ldjZy+yfL/IoqDYVF+H6myNySa
ZwIDAQAB
-----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 267685249704227929601105741873731503539473
 . . . . . . . . [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 2024-04-04 11:07:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-03 11:07:51 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'dmi.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 23808017958446456256269053818063888347065647685953986214504711338214807918230675745272859138558132125775055211970494605435477538699287299185758159771904962003571517560681639995626501804893768829342793416966467698711741302653733082033658773820271616612233663650857644372701010922631400425134058475845258174896285262343695315859608316862986100238532244300953779695481481188304341680488431917619368596329873106319581246682152946798922883923206807348511470789059421347053391011794706793690647029413832224100097303800469503258562229707299283069561549492934927207162106113120320922628998272019350026851215215494672448526951
 . . . . . . . . . . . . . . . . . . . . [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)
							6a1197964e6ad261b3fd22af78998678c74c9a46
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dmi.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dmi.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ea90220640000040300483046022100b3bd5cb1fa8ada65d3a6152f38a419788c8049a6e46a2a11bbd7421aeeeab66c0221009db6bc14684bfa9ac4aee948a193481ff10c30badac1ad733311ad692865fbbd00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ea90220a20000040300473045022056480718ae43f7ee911b1aa06d48dea84c847279303796e23aae8fa47c1e194f022100da4a4b2dcb0e06fe8718e5cefd3ac4eb8d7141ffef782fa5b3e51108acd07225
 . . . . [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)
		00345099339d3876391719650e0ebf2d6bcc9602c7754d7c291e026ca2011ecbcaed820d81a22abeb904f2f495ff3d09f97c7adeb8faeb585895f5062c20732196b33a52c7d05c5553f7720c0dbb7facccbef2c632ca6650b3cdbf34e562c5be8a074dbc62d2bb880213eac386987c4681a830762cbec300f62fead48aa32bc6d3fee7375e1b4ab07717de10e9bdfb93153ddb43c68672c4b44d3ea341cf064141d203d18c3a335d4d2f5f9a790c08e9ab4e1f14bae6747c5949e4eb0552bac73eaf8f21897b7195ef15afda62a113b4ff1a38f9e1dd16e4f7b5a68684656c0afafcb4084c3d540bf8a8276b258651b80b0a83ee68b4cad91e4e108e27ed91c296