davidtaylor.london

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f8:89:ed:7f:58:8f:be:31:37:d9:d5:bd:4e:ef:e2:4e:09 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=davidtaylor.london

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f8:89:ed:7f:58:8f:be:31:37:d9:d5:bd:4e:ef:e2:4e:09
Serial Number (int): 345910222184334069357278194364358194253321
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 95:ec:5a:7f:c4:a8:fa:87:1a:ff:f8:ac:7d:e6:5e:48:b7:82:3a:49
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 05:2c:e5:76:b9:3c:90:26:6c:00:d5:58:7e:28:df:e9:d5:bb:43:4a
Fingerprint (sha256): de:39:64:7b:dd:b4:1e:62:ea:a4:ac:27:e5:b2:43:41:ef:e5:23:72:71:42:c0:2b:56:e3:f9:e4:dd:3b:7e:4a

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 davidtaylor.london

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for davidtaylor.london

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

davidtaylor.london
www.davidtaylor.london

Other certificates including the domain name davidtaylor.london

(limited to 100 certificates)
www.davidtaylor.london
www.davidtaylor.london
www.davidtaylor.london
davidtaylor.london
davidtaylor.london
davidtaylor.london
www.davidtaylor.london
davidtaylor.london
davidtaylor.london
www.davidtaylor.london
davidtaylor.london
www.davidtaylor.london
davidtaylor.london
www.davidtaylor.london
www.davidtaylor.london
davidtaylor.london
davidtaylor.london
www.davidtaylor.london
davidtaylor.london
www.davidtaylor.london
davidtaylor.london

Certificate

The complete raw certificate details for davidtaylor.london in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp+3x2frSqa0jmIKVfvAb
hE6gnqso/90nLV/eV5CCSt9MSphnS1Hj1lnHiL8UYjllf0FWDbqcO/u/jNqm7flu
4siFUiefxfpJ0UDL+xhMgANoxMjfxyRSXSrqsZBE1SLr1FHkeXspNMfJ5DPHM/CE
6uDsyEZL7B6zPIgQuKafnlDVhU0Du/yE0uWbtgxcbV9VZ0myNIG+uH6sx1Fz/VtO
EvPArbLlCIzR+1N8JrO//c4UplOZqmb5LcVUz0wSMfZc5EJng0//kYnoLj2NmpX3
ZWBv4Z7CAOHZzjcz082C+CmBNMMpiho8pFOIPFWpM/6bXt29hh9jrx7n36ZkYOlB
mwIDAQAB
-----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 345910222184334069357278194364358194253321
 . . . . . . . . [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 2018-10-16 10:01:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-14 10:01:08 +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 'davidtaylor.london'
 . . . . . . . . [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 21199131849989622994149886320137893379348445265182652682948437867867921204471568299114397657001143944753697929198725489666385220479183706752026318623696700431176864932135029255295087494603627216276278887820066832191375172455952531947524164306347422957718074411324177069625460329747522711082389527629366474042226063622521202559816535906690410005275916698502591444071206143514833000218813793890154953727252872639105675269091116405361820748589565182445828736657879774859116606495543251503205678756087582632415033866755160613097961949357734016536607508422272941710268302812257156932458503887145590169469048138339350823323
 . . . . . . . . . . . . . . . . . . . . [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)
							95ec5a7fc4a8fa871afff8ac7de65e48b7823a49
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'davidtaylor.london'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.davidtaylor.london'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001667c895aa300000403004730450221008e0b39467fd260c24fa2b1967fa8db8e3a95074787a6d9e8d8a0c18b875445ad02207c2ec95c9c0fb48b184adde52405c92de6c76668cb698cb072ccb7c957fb2b0e007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001667c895ba90000040300473045022002c200e1efe5a11d2d6616615306957c8b33c59e32d74fbc3cbbbd2a78cf1ed8022100893b564b347b99559bba53aedf567d12c5699f4339d81c2403462a6ce0866751
 . . . . [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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