webmail.kavinschool.com

Issued by R3

About this certificate

This digital certificate with serial number 03:99:96:e9:81:e7:4c:04:23:a9:9d:ad:0f:a8:ad:74:34:e5 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=webmail.kavinschool.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:99:96:e9:81:e7:4c:04:23:a9:9d:ad:0f:a8:ad:74:34:e5
Serial Number (int): 313600656573476171122262967869935694656741
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 50:89:db:05:4c:9d:c8:3f:46:61:f8:71:96:90:0e:25:6a:4f:41:68
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f5:0a:b1:33:15:d3:be:3b:6a:90:00:b0:47:67:67:b8:65:0f:1a:ae
Fingerprint (sha256): 41:fa:14:8b:27:2e:b3:09:72:04:7a:a1:26:03:a7:6c:14:5d:4e:a3:37:59:8d:7a:2d:64:3e:27:9c:93:cb:09

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

Revocation information

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

Check the revocation status for certificate webmail.kavinschool.com

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webmail.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 webmail.kavinschool.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwwzyp9MPMZYFdtNYtMnB
unYOQlhBz/DmBqmSSuQkXmWCwm9jyDEuse+5FfNyX2fO9bRkvPYoOVSx9Z7EylHc
AC9UWbrmjZmPKJ/XWWoL8dd5GvBbHcDWFU3Gk8/8BPnW+lXec8FQVs6bzEmdTnKI
XXY8taH98tvh4MHdLezD8SuSiZZIguAqm8Q9XvOUS6VoWKaKbmKSwO+bUWk+KM1w
pO9BGph76KR1LOvL+PeHhNmeVAFE3SmyzhYooYX1rhtDr25WCkR0eYAGiLd0UrbR
nRTvbi4Rx/8W58Lyz/3HSLVKIA5fE9AA4FeQrVMsZgnPrC2Mnsz4KScjZ3UEplVA
7wIDAQAB
-----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 313600656573476171122262967869935694656741
 . . . . . . . . [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 2023-03-24 04:02:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-22 04:02:24 +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 'webmail.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 24622854302670654220008391051855498202650999371841632294801329763569512494217362850430999552937462235523966600233006367004368094303781065097153469023052012693208847326079181597027739961269724274726479472657487675296441585327015793209834263456989876601290632467973898181416091510911653055747428609577221227040351117218032995850246279324289419142047866769025753739126229460163000317736583823691042914173107175687344147708207005306399842677472150951937452015805473415690022477146883379316479857461844819063732956913551149157984889990012515307553472113017770248484540582326215417476720100001441631909132951312119505436911
 . . . . . . . . . . . . . . . . . . . . [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)
							5089db054c9dc83f4661f87196900e256a4f4168
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018711ff20970000040300473045022100d964273d76ff071b8700630a264abe6cbbf4ae53809de7edbee9fbb2907deef702201f5aa81581b1b3c3422853618a0cbb34145e7bf04974a2d1e26af2b2a1237782007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018711ff20b6000004030046304402205c7975ac9a902cdb8db92dfa8e4dd63eb4dc7bc254d43987aaf3f62e4e4fd0940220220f89d75a4a4f41303bfacf80c93a2b839711a10a0d81a671e069e75080505d
 . . . . [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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