www.durbin.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:c3:19:5d:8f:82:c0:0d:53:e4:a2:1f:98:8a:eb:4e:11:d4 was issued on by Let's Encrypt.

With 4 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.durbin.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c3:19:5d:8f:82:c0:0d:53:e4:a2:1f:98:8a:eb:4e:11:d4
Serial Number (int): 327725635839109878634160341175117663834580
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d4:89:c4:f9:eb:a5:df:c6:99:42:9b:ae:34:77:76:bd:e5:7b:43:73
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:75:06:62:27:41:f5:e7:75:29:86:aa:aa:f7:2f:c0:a2:dd:d4:c0
Fingerprint (sha256): ec:16:44:ea:1c:01:ec:ed:c2:c0:d3:02:15:9d:73:21:fa:c9:81:5f:c9:1a:c4:6d:7e:d1:0a:99:cd:9f:ce:bd

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

Revocation information

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

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

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.durbin.co.uk

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

durbin.co.uk
durbinglobal.com
www.durbin.co.uk
www.durbinglobal.com

Other certificates including the domain name durbin.co.uk

(limited to 100 certificates)
mail1.durbin.co.uk
mail.durbin.co.uk
mail1.durbin.co.uk
durbin.co.uk
mail2.durbin.co.uk
durbin.co.uk
mail2.durbin.co.uk
mail1.durbin.co.uk
durbinglobal.com
www.durbinglobal.com
durbinglobal.com
mail2.durbin.co.uk
mail1.durbin.co.uk
durbin.co.uk
mail1.durbin.co.uk
www.durbin.co.uk
mail2.durbin.co.uk
durbin.co.uk
mail1.durbin.co.uk

Certificate

The complete raw certificate details for www.durbin.co.uk 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 327725635839109878634160341175117663834580
 . . . . . . . . [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 2023-07-23 02:01:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-21 02:01:46 +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.durbin.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 808561951101028553721439204225046171598990232193836840084661709516615884254114445451860997567826930133745015617711090846376687583297973446403229375897766884113908474044095506580865692341653802573553135935184271268319819393088718577819905359074274013021489513467304554927773910762742755642333219933886223711919852346536407689912164619356176178743807749241428851813886593424658276082219315184887557510979514388649416195296440840025861537124212966936155885277410453126208503722446853648342246953934163373482103661602330327568032576527546571154594946956617419274840128752334644378774319469165666438165882568081540852397250135912687439842990629990853770125050404575667924090008689745132340998147744538390182080276994690318715199235974446128724696557794247074295903186594332712060259404700081764095411928682123485822631683626761782803807234887848862479633632732421216428053236742502546747739942321579272226477227863489912877699912307550160431470105415745970668091302649937622351724819981862722154170806852850208737832953750300936578079479457953799326850999628586859849998787783255968067468412418776867396102228735755217720461859063032719721564060829282149285030034856006322799149563808631071414473397573918994352900815159718943046487749901
 . . . . . . . . . . . . . . . . . . . . [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)
							d489c4f9eba5dfc699429bae347776bde57b4373
 . . . . . . . . . . . . . . . . [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 (74 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'durbin.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'durbinglobal.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.durbin.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.durbinglobal.com'
 . . . . . . . . . . . . . . . . [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)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018980b22bb90000040300483046022100f872a7571e98be2db19c98143c093fab0c24bf035eb340a007f93ff6b329838f022100eb877ece247242a50e77ac6fc174179ff7a4864df20346bc89bab464b4d00be5007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018980b22bc5000004030047304502210089d46d3216a2fe74287ab8c89fb79d5b33fa78c91adbd0649473a5646b95c890022057f195bc34105fc9fcf7493068933f7df4fe89134cb5aad044897e0aa573fad0
 . . . . [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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