mail.kavinschool.com

Issued by R3

About this certificate

This digital certificate with serial number 03:f9:c2:f9:0f:22:f6:c7:8b:e2:4c:76:35:e3:10:19:60:36 was issued on by Let's Encrypt.

With 9 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.kavinschool.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f9:c2:f9:0f:22:f6:c7:8b:e2:4c:76:35:e3:10:19:60:36
Serial Number (int): 346326330578700742323172431386872481669174
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d4:51:2b:d1:c3:1e:0f:aa:1e:9d:41:17:e5:4a:74:d9:12:8b:40:48
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 57:0b:b1:ff:da:2c:07:91:c1:80:e1:79:f9:30:ac:d9:fb:ae:19:54
Fingerprint (sha256): 52:5c:2f:12:c3:5b:99:f9:d4:91:ff:37:0c:e6:dc:7e:0a:28:7f:77:d4:e3:80:e3:4f:65:13:c8:c8:5f:5e:c1

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate mail.kavinschool.com

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.kavinschool.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

autodiscover.kavinschool.com
cpanel.kavinschool.com
cpcalendars.kavinschool.com
cpcontacts.kavinschool.com
kavinschool.com
mail.kavinschool.com
webdisk.kavinschool.com
webmail.kavinschool.com
www.kavinschool.com

Other certificates including the domain name kavinschool.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIF+TCCBOGgAwIBAgISA/nC+Q8i9seL4kx2NeMQGWA2MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA1MjQwNDAwNTFaFw0yMzA4MjIwNDAwNTBaMB8xHTAbBgNVBAMT
FG1haWwua2F2aW5zY2hvb2wuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
CgKCAQEAzBZC8S3lbA+lXlWCeQ0V1+7oYGz/5T1bQgBC5q8Ps6sk9HBnObvuWKk5
x7b7uchKwE5oDhoqDtxYEl9O9YKHkFt7lkhz7jtMkRHKjKAlgnqLfK14rp1EE86J
w2CX6EqD5n70QgfzW8gKFE8Rj9at83T7p4K3bCwXgf9SAQfrZ+NNlDPV33zPqj1f
3Vqn/Itzh1HeHUBw1ayslG7M2tT0GKxiEgaYlNqUx4W5K4QauoDtjcpXVq2CMxE/
SvZX9OJllKwJw7+xsgsnuSrA+XpIZKAKAiA/vrYW0318CfELHyNGJjBXZnEspJBW
SEfV09xn0rc6sFy7Td794YGb6GckbwIDAQABo4IDGjCCAxYwDgYDVR0PAQH/BAQD
AgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAA
MB0GA1UdDgQWBBTUUSvRwx4Pqh6dQRflSnTZEotASDAfBgNVHSMEGDAWgBQULrMX
t1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0
dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVu
Y3Iub3JnLzCB6AYDVR0RBIHgMIHdghxhdXRvZGlzY292ZXIua2F2aW5zY2hvb2wu
Y29tghZjcGFuZWwua2F2aW5zY2hvb2wuY29tghtjcGNhbGVuZGFycy5rYXZpbnNj
aG9vbC5jb22CGmNwY29udGFjdHMua2F2aW5zY2hvb2wuY29tgg9rYXZpbnNjaG9v
bC5jb22CFG1haWwua2F2aW5zY2hvb2wuY29tghd3ZWJkaXNrLmthdmluc2Nob29s
LmNvbYIXd2VibWFpbC5rYXZpbnNjaG9vbC5jb22CE3d3dy5rYXZpbnNjaG9vbC5j
b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF
BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQC
BIH2BIHzAPEAdgC3Pvsk35xNunXyOcW6WPRsXfxCz3qfNcSeHQmBJe20mQAAAYhM
IZwDAAAEAwBHMEUCIQDI1+wkX/gniyx3BLpdwd4Y0vO6rHCsYODHGbi3ibEnFgIg
NfWgxjkMWpkR5FoiPN7Nu1jh+IyO0FY38pO1jOgPBjQAdwDoPtDaPvUGNTLnVyi8
iWvJA9PL0RFr7Otp4Xd9bQa9bgAAAYhMIZw+AAAEAwBIMEYCIQClDoeqI4p8SrWM
7hDRMusPtFUptYZJ7pxZlbO3HyC0ywIhAODGIX3XojgKYTzK6sheawwvf3T7Byxe
LPr1G+TBSU6PMA0GCSqGSIb3DQEBCwUAA4IBAQBmr+UHuNgW/RjVmQU4Pdiu+aeQ
2BJlsyCHHCQukc83MRJQ4HH63w0kQ4wY1hRnWX3+9seadIpKFzI4YSisBK7/tWk6
tdI5kbhdjnUiW9Ol4iawOXtQuLnVzuMadMQYvrOgrrtYvPv4UMZF1B6BV+0dX8oL
GMyhZA7tq3FSRhiyJw48ETK4jjIx35sBSJ9zCeHpLCTezAR3JqHw4uATlB+AORPa
ihp6NXywDB8ACLqgiKY4yIFnL5KIh2MUTUKHYrorsZTA+GeTKMd7XA8duETmCEA6
EHjW09/gEGias2tn7I17/rQxAECorchT799R6z4bd6boKJrVOAKxnZpcAJb6
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzBZC8S3lbA+lXlWCeQ0V
1+7oYGz/5T1bQgBC5q8Ps6sk9HBnObvuWKk5x7b7uchKwE5oDhoqDtxYEl9O9YKH
kFt7lkhz7jtMkRHKjKAlgnqLfK14rp1EE86Jw2CX6EqD5n70QgfzW8gKFE8Rj9at
83T7p4K3bCwXgf9SAQfrZ+NNlDPV33zPqj1f3Vqn/Itzh1HeHUBw1ayslG7M2tT0
GKxiEgaYlNqUx4W5K4QauoDtjcpXVq2CMxE/SvZX9OJllKwJw7+xsgsnuSrA+XpI
ZKAKAiA/vrYW0318CfELHyNGJjBXZnEspJBWSEfV09xn0rc6sFy7Td794YGb6Gck
bwIDAQAB
-----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 346326330578700742323172431386872481669174
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-24 04:00:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-22 04:00:50 +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.kavinschool.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 25763591764217821625947305470226530713605585356872779748740774949192015317080173573756781364981380948703434185368224247657152144857720643555043286469183954787521001593504059330518581844561940959891510786184072862420754147792115820009870474342025760506767152147670260005931172457553154485176078522207159128625319968945106012035900591368800395435377258796263924653478918782828280913951923049176352193501671548663341854364018432373698055251426250906485967120037800976682629467313960206325158985815608885108461232709856265141771852492802502674709576682085063928447670974806868546145997617053213818704366694115349723817071
 . . . . . . . . . . . . . . . . . . . . [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)
							d4512bd1c31e0faa1e9d4117e54a74d9128b4048
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (224 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.kavinschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kavinschool.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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001884c219c030000040300473045022100c8d7ec245ff8278b2c7704ba5dc1de18d2f3baac70ac60e0c719b8b789b12716022035f5a0c6390c5a9911e45a223cdecdbb58e1f88c8ed05637f293b58ce80f0634007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001884c219c3e0000040300483046022100a50e87aa238a7c4ab58cee10d132eb0fb45529b58649ee9c5995b3b71f20b4cb022100e0c6217dd7a2380a613ccaeac85e6b0c2f7f74fb072c5e2cfaf51be4c1494e8f
 . . . . [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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