mail.yaakai.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8a:47:09:30:d8:7e:4d:ba:15:12:e5:ba:a6:ee:fc:f4:ab 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=mail.yaakai.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8a:47:09:30:d8:7e:4d:ba:15:12:e5:ba:a6:ee:fc:f4:ab
Serial Number (int): 308390247339450736893878007622698593481899
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 51:f4:ab:6a:2e:2d:76:b5:b5:59:ec:a7:f1:fb:8b:6e:e4:1f:c5:ab
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 66:ee:21:3a:e6:3e:fa:7e:f3:28:05:79:be:88:bf:05:e5:40:46:87
Fingerprint (sha256): 03:05:0e:84:83:ea:f0:5f:cc:d6:80:d8:91:15:7c:9a:60:a7:3b:5a:e0:51:6f:83:31:ae:a7:02:e9:0a:0c: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 mail.yaakai.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.yaakai.com

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

mail.yaakai.com
www.yaakai.com
www.yaakai.vestigesoftware.com
yaakai.com
yaakai.vestigesoftware.com

Other certificates including the domain name yaakai.com

(limited to 100 certificates)
mail.yaakai.com
greenlotustradingcompany.com
vestigesoftware.com
yaakai.com

Certificate

The complete raw certificate details for mail.yaakai.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzAgHtsrMW+f0M/BfZe4j
0PVh9fcJBT6GOQgPY/MFgecC5Ng3acC1Fuzz2EhHSGMP3F1uE7yKTCzD9lF1aMGf
rKLcvuL6wHwwgHmf7n3sIOWB6ohwjJr0Nnbclw/nNDm9CbRtNkRwWyjAqvTrRPTD
Mrui1ppXGjjGUhiHHYbacGjb+I+OZpTjDyxj2hvE4lG+miM8qgvixCC0nilNPNKk
F9h0AUWClBiaxYqhxmsWoPKlMXiMG8IIPG8IkVd5fS9NGegR8kkCLGi2oVUlHGY9
WSfceDM+yr/vLZu+UhlsolQBKOKkixHhIm6pRR8e5yKmEi57hgysMKgFGv/2zdhn
3QIDAQAB
-----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 308390247339450736893878007622698593481899
 . . . . . . . . [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 2020-02-14 10:45:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-14 10:45:44 +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 'mail.yaakai.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25756574019211351471534886835175547034301697010547490333488497681869769145155131933949144416937106648345536015138151583434801138964514221077916909185774971245703296392185687323312132000381279712393913697919433022100658003420995510857420822938336795047825328758124784963145237497932743680578218045604131475339587752631072962850008559407745210097463174979198512121169227621483240718440019835089974247771244773523256912395201520867672512832114258719950678470039887248522552827605329318852556000360873621872246671324023183848363288703923802570553626541115793301277254546619215517273866812247311099348877739540629926995933
 . . . . . . . . . . . . . . . . . . . . [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)
							51f4ab6a2e2d76b5b559eca7f1fb8b6ee41fc5ab
 . . . . . . . . . . . . . . . . [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 (107 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.yaakai.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.yaakai.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.yaakai.vestigesoftware.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yaakai.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yaakai.vestigesoftware.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001704384d98a000004030046304402207ab5e25533c33903eefbc14741e43d744191998331de13c825df4cbdf5b5f69a0220023896854a7b59b344ed7002ddbb04204450253995706ca72c717e8a8971fb2c00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001704384d9b5000004030046304402206cd172fa4ac0499a8f0aa6eccab6f11f1a7a7903a737a07021d1d8f3374feec10220152ef16f50c9cee04896cb5393af5920ba489578707147c38a4aa67558714e85
 . . . . [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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