www.abalonebracelet.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c5:28:b8:f3:29:5d:60:ef:fa:52:68:71:cf:e2:10:c0:b1 was issued on by Let's Encrypt.

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.abalonebracelet.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c5:28:b8:f3:29:5d:60:ef:fa:52:68:71:cf:e2:10:c0:b1
Serial Number (int): 328426613513061771931852330567220602126513
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:49:0a:08:a6:27:ba:b9:fb:86:52:2d:a5:2b:9d:c4:7b:d9:e9:a4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6c:49:9c:0e:ac:f7:76:d9:30:e5:9f:59:f6:44:26:76:63:e8:67:f0
Fingerprint (sha256): 2c:39:72:92:16:d5:17:6b:ae:49:03:f7:0d:a6:85:af:83:04:30:34:5f:95:e9:f1:27:6f:6e:0a:57:31:8c:a4

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 www.abalonebracelet.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.abalonebracelet.com

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

www.abalonebracelet.com

Other certificates including the domain name abalonebracelet.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.abalonebracelet.com 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 328426613513061771931852330567220602126513
 . . . . . . . . [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 2019-02-28 05:55:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-29 05:55:37 +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.abalonebracelet.com'
 . . . . . . . . [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 991532939512018895203973299846805961899884303505341836757817225252338953230424351194516511588011165904585669562157970405454378938370122640183357219948875074380976605288911032621544561195754001686503980116604408314378969205109225546094265211542567672265029717457861582720092211154597434603204479897823138480738154183324365314284452103239121981389453116796867997068363291841947170316675272502234578200566240904775726533329717417353300656462137313720188046675331777999983818876594306544155356050248181006978724623506463543515684997616989274585650434261435937117240294814604724082157075250816939997928091465908482122776688692844131236011654452923326050101378565284267128712607674935911764267299172547877234835787143282860603909611580250510935551717342945541787786063411785828483356695826361539337374241961496057581395429610171810289197501557290343085821064325262599175911917419698528955109198673291348577686225686229177463757100055077177893694491856204756885890194144073405247800972025336405595519654500362714582813600983158178206273101013519902951126915442859594339323562366589251229117203627018833698950129654197546883926532596366836418160326019922279984621678653789715558442385658782605250734740008894921953044572908325077404035394407
 . . . . . . . . . . . . . . . . . . . . [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)
							d6490a08a627bab9fb86522da52b9dc47bd9e9a4
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.abalonebracelet.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 (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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016932e317760000040300483046022100d1cbf243939324eb156e324d1e4e5526353a5ffa854e45bdc07f4c3553e9b2910221009a9ea6be3190670dd18d035e7635fc942f7e9f8a0a7c111b71566b07b9b4bb3e007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016932e317760000040300483046022100b87dfd40ce69850686f7bdc9c38e948f97695a102c1851221529bcb1a39af396022100bcee9de7b86484f8bc8ab9f387a4a0023e24811c11fc3b71e0688f879b0ba725
 . . . . [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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