ithaka.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:48:2a:80:4b:24:95:8e:79:a1:fe:6b:a1:8c:6e:65:70:8b was issued on by Let's Encrypt.

With 5 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=ithaka.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:48:2a:80:4b:24:95:8e:79:a1:fe:6b:a1:8c:6e:65:70:8b
Serial Number (int): 285893681927488387866546248832168411623563
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 95:5d:0c:76:fb:04:67:eb:72:c3:6a:0a:18:1c:b8:14:9e:46:8a:0a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f0:36:24:69:fd:ae:fd:8e:89:89:6c:2c:f1:ed:2b:e2:90:76:07:67
Fingerprint (sha256): d0:3f:56:da:ed:49:23:ff:a2:9c:81:59:9a:c4:94:69:a2:cb:bf:c0:96:a8:6b:95:7b:07:1a:0b:a6:ab:e4:58

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate ithaka.co.uk

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ithaka.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

ithaka.co.uk
live-ithaka.kissdigital.co.uk
mail.live-ithaka.kissdigital.co.uk
www.ithaka.co.uk
www.live-ithaka.kissdigital.co.uk

Other certificates including the domain name ithaka.co.uk

(limited to 100 certificates)
live-ithaka.kissdigital.co.uk
ithaka.co.uk
ithaka.co.uk
ithaka.co.uk
live-ithaka.kissdigital.co.uk
ithaka.co.uk
ithaka.co.uk
ithaka.co.uk
ithaka.co.uk
ithaka.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxAkHboGwFC4a408kUgyF
97e7ze5ljjnSXSuUTRexUs9FPi0apsJ2XKATItdtvJSx+3vA4JFCdgIOhcvVstdL
pP3HBGlU72DqM09wnfAf6eD9jnceNa2CP3imkPzOvUF81pXOd2Y6aufimxMm2mhI
LnSCc7neKgaNT5qOLwO624SubvhpSIUJ0JcQbi69D6/VvTNJMC9ga6pQPQfNG1L/
pEOeSyAdj4r2FntlPIqd4Duq6KjI9BJXrz2ZC6R7DbRIE47prNL+rPsx7cG3B1iA
WAeTlX02ynAOUSkmHo4S/YAmbFIVN2YSm9SxvCDxtPuhtvhSlpx+0zffhbeyI/+z
XwIDAQAB
-----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 285893681927488387866546248832168411623563
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-26 00:41:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-25 00:41:27 +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 'ithaka.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 24747160153956751214774488755889815809945008093240854200423840985966325507369653679396526368445549968412544667041538575868799098725705127447544894916041384641833455353851551832762289957344209130276083023612532740285491021410127089612346360542113890480139315963944769190651800516119979766263922106217736094020843545454853045327255554298832127425909782901268553231764552100375099367984064132717137608562598506524666571305632219847539171360303347690796523856841997534879013004103090986161722903485604478028861738454602553310509807496310822902568257825981196692426181818569104871241426143589523004566265872038545848251231
 . . . . . . . . . . . . . . . . . . . . [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)
							955d0c76fb0467eb72c36a0a181cb8149e468a0a
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (137 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ithaka.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'live-ithaka.kissdigital.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.live-ithaka.kissdigital.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ithaka.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.live-ithaka.kissdigital.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d6b3af1430000040300463044022065d66a3bdbb5449724cc0697592dce2cc20c9fd983dcfe98a46fb076cbaf346d0220745068edac5ee18fc5d78d81c6c4d28c4dc8f44dd30528f2eec0b29d00c05645007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d6b3af15c000004030047304502210091f102e37005e4b49488f368326f99356b9a4f8482bc78a5d7e6049791402bf4022034d39e7e298a49be7a5c64f677db82a0b7e4fe54fa0a8b3ebe9faccdc6773365
 . . . . [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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