mail.nysteea.org

Issued by R3

About this certificate

This digital certificate with serial number 04:7f:8e:5a:68:dc:23:ac:b7:49:60:0c:6b:70:41:21:ce:40 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): 04:7f:8e:5a:68:dc:23:ac:b7:49:60:0c:6b:70:41:21:ce:40
Serial Number (int): 391854224134930732943826280363294975970880
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a8:d3:5e:a2:6e:a2:95:d9:da:31:23:f4:ab:f6:0d:73:c6:89:5c:5d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:d4:4c:21:11:a8:b6:58:fe:3f:1a:21:0a:c9:a9:83:17:5c:9c:48
Fingerprint (sha256): a3:e8:3f:ed:59:dd:10:98:28:2f:77:8f:4b:7a:43:96:95:d6:28:30:bf:19:b8:a0:c6:c1:90:e9:8b:26:1a:d3

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7GIn7L36m5bhHc/hMCjI
AyC2C9kzjIegyu4PkdsLvo0lIttvhsDYjlg6SMd7x5t+C2a6qVOPzTeOUHG3LIPJ
KOR2FnkURitC27TcXZHSkPtz/o+oMgSNkVa4BTJ8N2Ag6B4C1USSWrJk5yOnfiEC
M9zTxTxOA3dKQRm5T3ZIn7AyQ1O6sJGLoAsjVWer3XXnY6mC0O8ohA5Mq1EBtgJ1
HYqBggF1syrA54ERvjwkz23gR17S48HeH89gzIqg3+gDp413R8P5OBr79sXgyQ8A
lonCi7qaSx/D9fWZ23An2WgAfQSXIeAHE9jmxdh4JqZVF9etQ6qqhRAH4DX9QAoK
VQIDAQAB
-----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 391854224134930732943826280363294975970880
 . . . . . . . . [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 2023-11-20 00:39:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-18 00:39:50 +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.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 29840642477952439669535456145177350881065492143004997487123155688872505769339874496950123996719902883516834843975277316358608812712284719783866632441775468562125117409343247100813884021861209928706092193175374995880476073282613436070542341843684392397785503953627760924530504743342543658766606738355292361339714850770196920700912991536429722403083733274852347088378497174263715162543061010836054175509681667462153708754015768940684755799705682298573650816934723783974849132690637428863873032934652415757914600844876510932596941123832659218014069450573058803926820845492184350345040443851204311284756575385119556766293
 . . . . . . . . . . . . . . . . . . . . [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)
							a8d35ea26ea295d9da3123f4abf60d73c6895c5d
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bea624b0f000004030046304402202f20f575a48557e9e166bb93de1dde833b0c2be772f40e891d92f249f2fc3d560220516e96ac80fba80e52317921b958a68fadd67b5308b096f4926e42ef3037240700750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bea624d05000004030046304402204a8826adb85ffabad58487a2a4ab33cb93432aecdadb90663e581cbb6b1fc54902203b50101899a7cf6e148ae408fa1bf3622da0e338bf027cc639e2a93bec9ff3ba
 . . . . [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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