www.4irai.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:c2:65:e8:c0:b2:f8:82:4b:1a:0d:d1:07:d4:98:04:c8:e4 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.4irai.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c2:65:e8:c0:b2:f8:82:4b:1a:0d:d1:07:d4:98:04:c8:e4
Serial Number (int): 414599383458550671707673489555232032868580
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2a:91:53:0e:fc:af:3a:86:3b:f7:af:f7:14:79:92:89:18:fd:bd:13
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:df:c1:8a:ee:62:80:b5:df:f0:2f:cd:dd:6d:c2:8f:fa:00:36:17
Fingerprint (sha256): b4:02:ef:6a:68:2c:ff:21:80:59:b1:e3:83:f5:07:a8:c3:9c:51:50:17:20:56:07:81:53:1c:d1:a4:33:af:02

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.4irai.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.4irai.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.4irai.com

Other certificates including the domain name 4irai.com

(limited to 100 certificates)
4irai.com
4irai.com
www.4irai.com
www.electricaltoothbrush.com
www.4irai.com
www.4irai.com
4irobots.com
4irai.com
4irai.com
4irai.com
4irai.com

Certificate

The complete raw certificate details for www.4irai.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 414599383458550671707673489555232032868580
 . . . . . . . . [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 2019-12-13 08:54:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-12 08:54:22 +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.4irai.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 797115123146288082144635041999146272559400847160837568374129165107326513909711823814454460051111348576119101280579679529059611111205330074618093211715552897716347213282568503893516125349380378206104256864041783637707851569200729823098706400474633572593189473171770535012224448927495397133721934069642126604580563810172801468494208842285530289445667090157488703961251505004891170401453216455018571680465546613502905131312468343492992306085809784154863881279345704843723408872002767827620459588278083460472525173102577573074437785695111324990083927631547357222408153279490022582725289054079880936679428392193324214258999482617902719866577858249796537172261295225039168680071422754471840435569916000207694840184057779583178287225464620434184805302300044128599192574984607940187127211076527116193533722619853281157335269213698481155818093485062641773846564456993073535936742571465787591394621307451055999053431698810022937129316531706416065913334060116572372201833905610021386080123011569166929161526169372209000857892844240235545380879196938349227460380919964116610884711053256252803111919840026363812634316572911133117922136243502648621237042697061181242823629448137878027498401101069673303406922509579585072621598762668336861061892487
 . . . . . . . . . . . . . . . . . . . . [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)
							2a91530efcaf3a863bf7aff71479928918fdbd13
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.4irai.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016efeae404b0000040300483046022100c2a78ce950d225626f6f049b92d0c94c0b8d7a9f471627d2b13eb6c23ad5f5520221009b73bf6975f981f234752c1fa02968ec3f22fc9f633fc897e0aa491f118d464300760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016efeae404e0000040300473045022100dd670032e9c395c5019c29ea782f5b6427dc7f54006db5f746a7a00ee3293c0e02202f7842e62f6a0d3529644dedf12315ac0d18ea7664e5cf4a252f3c6077ed82dd
 . . . . [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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