mail.rina-academy.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:67:91:f1:92:41:1f:8e:d9:ac:73:4c:6f:85:a1:cb:d7:ba 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=mail.rina-academy.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:67:91:f1:92:41:1f:8e:d9:ac:73:4c:6f:85:a1:cb:d7:ba
Serial Number (int): 296579933957460520798905396662201807001530
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 24:6a:8d:2f:05:0b:1c:97:3f:4b:55:d4:48:cd:37:7a:d3:f7:e6:9a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fe:70:88:67:a2:55:37:0d:47:2e:78:af:9e:5f:5a:0b:83:35:cb:7c
Fingerprint (sha256): c7:44:b1:5f:58:4b:9e:27:60:88:2a:2a:9e:00:74:7f:9c:b7:87:5e:8b:69:17:94:ca:48:a7:5a:c3:62:fc:38

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.rina-academy.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.rina-academy.org

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.rina-academy.org

Other certificates including the domain name rina-academy.org

(limited to 100 certificates)
test-catalog.rina-academy.org
backend.rina-academy.org
backend.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
backend.rina-academy.org
mail.rina-academy.org
www.rina-academy.org
catalog.rina-academy.org
mail.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
catalog.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
catalog.rina-academy.org
www.rina-academy.org
catalog.rina-academy.org
catalog.rina-academy.org
mail.rina-academy.org
backend.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
backend.rina-academy.org
catalog.rina-academy.org
catalog.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
mail.rina-academy.org
mail.rina-academy.org
backend.rina-academy.org
mail.rina-academy.org
backend.rina-academy.org
www.rina-academy.org
catalog.rina-academy.org
backend.rina-academy.org
www.rina-academy.org
www.rina-academy.org
www.rina-academy.org
www.rina-academy.org
mail.rina-academy.org

Certificate

The complete raw certificate details for mail.rina-academy.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApRBK6Yu1JPr0i22SDHVQ
6p05J7pmGywjk1kOJJTdZRV/jUNlvbSXiclGE5hxHlubCydA3KriZRORuPRRLqQm
jiEpExLCACaFKy1qw+ng6tcONkJnW/cUX6K6FLQIbDupUO8VhT5sWBSfawVFiJxc
LHSLlVJPSEHNtt8gtE2mqJq87eFpscimck7QdQUJCKiCpN9o2AU/65qtxrjFLI/7
Rh23iHXHDlY8GYgiVg0eGot0MBo0ZSyBQyqDQoSsH6ZE6ZW/DiPTOGE7dgYI3jvo
VzDtQvuR+lFkyRvDCD7peU9dETwgif7f5MGW5yGpHIp95iDISxZ327WxyAnLJeJD
0QIDAQAB
-----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 296579933957460520798905396662201807001530
 . . . . . . . . [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 2019-10-05 21:41:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-03 21:41:09 +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 'mail.rina-academy.org'
 . . . . . . . . [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 20837354512780434238037840221405559558340190482708344957660768603807172106298808883673856495356535314483664797410744272498919104175832734825167405164028445946756840295606803480034857281495210630362202219746128116508839742545483738227048231887323968886948051211752520220149670977192387353721058414138472684493899189191192190725480165182153089063239320263949325847959365081372249191439194471034773634393719343476481172250080438546373949985501308782063865961112232590147086163060317978096150757442401302203118987905940452125054620562655697439782677435823070241084951704778249661243488302152994633556404920803147714282449
 . . . . . . . . . . . . . . . . . . . . [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)
							246a8d2f050b1c973f4b55d448cd377ad3f7e69a
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.rina-academy.org'
 . . . . . . . . . . . . . . . . [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)
							00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d9e15746500000403004830460221008c75b338ecccd2946f27c6c610575f197b0e3ea98cdfdce4b47335bbe2d1ac88022100a960f0f3ee6fabf0cb85c852265f61e81895db0e2e1efc6563838bb52a323a460076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016d9e1574640000040300473045022100fa7b259ffa657f5086b72c5917df995477f1c5655820272641fa8f2b6357fc67022076200f75887bff3c369b4698a0f1cafd299061ad563dcb16210d815a46b0b689
 . . . . [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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