mail.kavinschool.com

Issued by R3

About this certificate

This digital certificate with serial number 03:98:cb:66:bb:a7:93:be:9e:b7:d8:96:9a:82:f9:3c:e9:c7 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): 03:98:cb:66:bb:a7:93:be:9e:b7:d8:96:9a:82:f9:3c:e9:c7
Serial Number (int): 313330144270774718625541465232331620805063
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 40:32:34:3d:a6:b9:e5:3d:99:cd:e6:a2:ec:70:cc:6c:cf:89:27:ed
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:3b:c8:9f:dc:3a:f6:75:70:8c:8d:28:28:9b:9c:85:72:7b:46:9c
Fingerprint (sha256): 32:55:d6:f3:ea:b1:06:3f:52:ad:16:7e:21:db:8e:88:15:a0:56:db:d8:b3:00:03:d8:04:d6:e5:50:49:8c:47

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-----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==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3IIDrCWpFrnADlF4Lwez
9qzP+xqGAY9NiS0mooFL68JR7r47Wo6CpdLreAAZIY0tmbAEAVnIABXyRBLCpWmU
6cPtHMODyqeVsva/qKSExKp4Ds5Nt16Rrqt52WwWXfJq+Yk1dSGubpnGWoakw93+
9QZONouw6k8ESqDb2eUoeUIxlI9CudUNrw9tU/+lGgGTylgnyV3xP+Yxw5aQf29g
IwN1GPXX8jgkBcVfSdX1PoYydvYV5Sgx5qXD9LtRLwKIdjVJUdPjvRPyFxrq9fYB
zPkucmo9ii6CbaBVyAeAQDCRvfJ6sBa9R55WyLv9SIUAkgvTfJNhr4GXT/eOyYn4
HQIDAQAB
-----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 313330144270774718625541465232331620805063
 . . . . . . . . [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 2023-01-21 05:03:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-21 05:03:52 +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 27836539555806361615045152047700932069370302433777691760214533977365521813314579915453835525134423007574128766048314984928181317878587240254251576831766711847225194760013863326341854675338770972001477327568419295333381533930451023562880590219236487072359834717434488909446419415288793584017251124456783036059842227293997367630578833077787839730232366459118382204351974646516258236221720390614082993554876236612320875861071873637483695410077224832443593456709125610222948536570717974543901381084425855267386074230903468196653969036206514824225770212128679944740552181384763780165409221659613632180232172190585299007517
 . . . . . . . . . . . . . . . . . . . . [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)
							4032343da6b9e53d99cde6a2ec70cc6ccf8927ed
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000185d2ed20170000040300483046022100ad25f5eccd6b1c4f787a895a663b991d26497e3426b42b6367d52616f0299cac022100efac31405a326371a6324ff522499a56499cff65e0a8571658e9f0e09bcac5cd007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185d2ed20030000040300483046022100b4cf036fe563e45942f0a17f5e6fbdce58b2d4f4af19b4d719d0f79737e6f2f5022100bcff1e6bf435bb4a5a6f51f2da015110de087b8b8569fb47bf8f4d1c45f117db
 . . . . [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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