mail.nysteea.org

Issued by R3

About this certificate

This digital certificate with serial number 03:02:04:4a:59:86:d4:90:ff:32:5b:08:e7:87:76:7f:5a:8e 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=mail.nysteea.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:02:04:4a:59:86:d4:90:ff:32:5b:08:e7:87:76:7f:5a:8e
Serial Number (int): 262023125486890102721977162920313338419854
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0a:24:cd:85:dd:8b:ef:2a:2e:0d:ca:d2:3e:24:88:11:60:17:41:38
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 18:75:ee:4f:be:e3:95:ad:99:ff:7b:6a:b2:d5:b3:29:fa:4e:c6:14
Fingerprint (sha256): 5e:73:32:9b:99:fd:28:45:9c:7c:52:e0:4b:b8:46:b3:98:e3:31:65:2a:44:74:21:0e:4c:b9:bf:66:9a:cd:98

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

Revocation information

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

Check the revocation status for certificate mail.nysteea.org

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.nysteea.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

autodiscover.nysteea.org
cpanel.nysteea.org
cpcalendars.nysteea.org
cpcontacts.nysteea.org
mail.nysteea.org
nysteea.org
webdisk.nysteea.org
webmail.nysteea.org
www.nysteea.org

Other certificates including the domain name nysteea.org

(limited to 100 certificates)
autodiscover.nysteea.org
www.nysteea.org
mail.nysteea.org
mail.nysteea.org
www.nysteea.org
www.nysteea.org
www.nysteea.org
www.nysteea.org

Certificate

The complete raw certificate details for mail.nysteea.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2vyBcDj+DNrX7hipd4n1
GrHMSHHHBpDBH4GAcbjXfLH4X7T6gtboKsqXboGaL9ypR3SHRZWBD7v6NWhfsBl4
Ba+slN98hW18wxVjjGCP8I6yEHUB5l3XJdjXrcADM8M/HEt6NAqKABvJCT2fjBxF
XX2JQE3IBhe0qOZ1TdfLrIvK50PASD+raZRCQR2hMwjbOA7x8FIe+gWtklA59hz9
b9LpCsAik5Dsc65DeUfDRe41hebqQ2Xu2DI03TdZpDY/qHOnSRuM/NTkVP0TLyWx
B3dwtfG81RlRUNsmFzccODwO7uIPR8qiEUGqJEKvKxJQ7S7b7a/tzYtNQrF63Qhf
UQIDAQAB
-----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 262023125486890102721977162920313338419854
 . . . . . . . . [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 2024-01-19 23:52:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-18 23:52:20 +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.nysteea.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 27644465643891530327881040099254378357789815524044645761553397280684599725725489413850724084966841312228527641612365195271460538506747861382436887339760885887294484670054677252746989667985509869076778260019321224523456517127509308666128028716809919831039490187933799552823310815789300801676207546635862382834630073638709990553810218321030078928008007834452217776153226413075702038051011446594694272296519330555329893157251837405745901146592045889210921479462036366556089486341654763648323621056101069036351114981976013120907089540196277688596980792731032860498700624314939980246457337609752333077447528768634207362897
 . . . . . . . . . . . . . . . . . . . . [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)
							0a24cd85dd8bef2a2e0dcad23e24881160174138
 . . . . . . . . . . . . . . . . [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 (188 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.nysteea.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nysteea.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d245ab979000004030047304502204c9f8c62476f60f9b3f082eb5313d208a62f950fc39c49d1b8a1782b42c23ccb022100bdb6e153fb181fb45f8284d1062d0b8824045b84fdd6347f99977023db2a5bd5007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d245ab9940000040300483046022100c0f3f0495f6c90a9aecf056cfe6724ce77be2e26e25677d98d1463e51219301f022100e94e7b30ff0d747dd1f75d428b513f7abbb75eca5a39a98a6aee6b4f3b9a177a
 . . . . [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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