www.offshore.ac

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e3:9e:d3:01:35:e0:cc:56:fa:50:30:ef:2a:4c:ce:09:ef 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.offshore.ac

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e3:9e:d3:01:35:e0:cc:56:fa:50:30:ef:2a:4c:ce:09:ef
Serial Number (int): 338792068708856012593322000767513950816751
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c5:e0:90:40:78:ff:7d:7b:5b:03:d8:76:aa:12:29:b4:c3:de:b6:ef
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f0:fe:44:da:5a:3a:ad:b5:1e:26:af:88:83:30:0d:0c:9e:ca:bf:8b
Fingerprint (sha256): 2c:09:33:30:e4:77:8c:29:a3:75:af:e4:8e:0b:c6:33:ba:d0:53:fc:62:2a:2f:ad:2e:f9:8f:56:97:4f:f1:12

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.offshore.ac

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.offshore.ac

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.offshore.ac

Other certificates including the domain name offshore.ac

(limited to 100 certificates)
offshore.ac
trailerupholstery.ca
www.offshore.ac
offshore.ac
offshore.ac
offshore.ac
trailerupholstery.ca
dominare.com

Certificate

The complete raw certificate details for www.offshore.ac in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4Ns3MrnU2j1PJSb601Ps
3qOtn2syYbhcgkEfbciJ1I2Mt3U8L6rfQo/SOj8SL3D+4aW+kjPMtVb8nsWLb98b
4+OBdvQZShZQgwUKhV3TEvPG0VDTjjG49v7bIP4gyxIjXpnReLgEGdD+rxjlQFB0
IOcdZJlb9/tItkZYe3nC4saCa/HVJd5iPC5MbfBSxwS6Vu2LUw9R0VNRTGnu01tS
LRl/xWq4eCgIiNgKlxCVur21pJxlXdxdPUJASBYtSNFBhnEu8fNTT0MmxxlCtz2R
3GWy3qQGZPxgAifbHwuE6tChkK/agMOgcSmODvk6AbM+2H7pG/nPPJhWzHmjh/LY
HQaHspywayOXbrGCvP1MtvLXsG5M8t09ykpblh8VUfGS4sOPOlM8d/UBKGKpC1BB
0Dl1thykrX1qPw/Q4iIS5y4iYrvIOKhh1kmFH08snkowDhPYn8QzdTkEUeHq9DCN
F3gIkjKYygnvD9g/coSiJrHz3BHnVzjk8y7wId5l42GWeuVZahVoD6M8V4+OvoYW
39xywf4M37JQznZC9gu1YP+W0Nxtx5/biRuWc5H55jIR63EY5psH9x9QXzKvADOf
/rS7Q8e40PKjY9Prsu1zFO9lEqreJ5YIZTiclvmIJUDpQqxGi3BqZa0RL3BRJk6y
o3hNFQjxuKA3xzos4m5HpqcCAwEAAQ==
-----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 338792068708856012593322000767513950816751
 . . . . . . . . [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 2019-07-26 10:21:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-24 10:21:09 +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.offshore.ac'
 . . . . . . . . [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 917333715356179940057811219083286159576283282138613163700083544340493969999338824037416198691946462134086127287822056959301648297872738028950152317987592856114052803289609656237451443036476233797140814238663482410194431731378344943317970086500907527349904802160512442466090799850547517961828381835839303251883089810847679440494763919604284145695491112149006591299067327718574559411827862857372350777907360292740662037588944004023867508809229819328281271185538678395497979683281743655625709582692373731532234268973626803858112973747082646310280290950570321692305437547253757194671964188565513277793129436318022525463082732168026782514110135375706969678432203560849642124032070017904092689789438002241837665053930616713816888371906829168597294122861970173948612747643007098912119113472274383025413495064375115387718915870021286489798623633951735563689798977406440370105632759406366674872183853673439714840878262623414721818627597327119339932930932858428991647599549333097273810910481504880812665242823909056224559679137010146016276289299097195380319558522314059743684220932667229446693626454518917435949192972848586754816744337937847943384101950615938590937486798994759158009607356770668151372166478597075326902270920738358241475929767
 . . . . . . . . . . . . . . . . . . . . [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)
							c5e0904078ff7d7b5b03d876aa1229b4c3deb6ef
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.offshore.ac'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c2e0361e80000040300483046022100900e8be82c4a2e258cf7ebd7e8e5b4c5522a3148c01d1f76366adec90aa9ef780221009b9023a524c8364c644193e47496768967941b407aa93b507a14f71c5767d17600760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c2e0361d600000403004730450221008167af222a9bccb091550d11daeb3b0dd2b34b55feffac780c058e8a8e7f56fe02204c9b2dcf7b707338853f8440c43445a420d4cfa760447fb269c4a3e9f3410494
 . . . . [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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