mail.nuwattenergy.com

Issued by R3

About this certificate

This digital certificate with serial number 04:f4:9e:bc:cc:ab:35:2e:e3:1e:05:08:31:6e:dc:9c:d4:96 was issued on by Let's Encrypt.

With 4 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.nuwattenergy.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f4:9e:bc:cc:ab:35:2e:e3:1e:05:08:31:6e:dc:9c:d4:96
Serial Number (int): 431689039582069427250591125775378978493590
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1a:6f:77:d9:28:69:7b:e1:21:98:d3:d1:e9:9a:29:4a:1d:d5:cf:23
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 70:d4:22:06:a1:22:80:6f:78:60:a0:32:43:c5:59:69:99:e5:5e:25
Fingerprint (sha256): 05:cf:c0:36:dd:c9:a5:2e:03:00:93:5b:61:12:3d:84:cd:58:06:56:25:34:03:0c:9e:83:e6:34:2d:6e:eb:de

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

Revocation information

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

Check the revocation status for certificate mail.nuwattenergy.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.nuwattenergy.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

mail.nuwattenergy.com
nuwattenergy.com
portal.nuwattenergy.com
www.nuwattenergy.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtu6ZypMR2PWq413m9ZpN
6a9usaOxAnhUizYlg37ZsApPZyGJpb2G/24X4/OziLTLFgaYKocHOaMl8DNj12fr
wutd7Rwe/H6qAwEoHy1hv2sDhvQsIgqKeWrfMQVnQBPCQBhZS5u3d/5GVIh1n/Po
AjPc0OK0u5D1GUKXbQ4wK9jCwX5Cr/hsmsfZYkv6fGQq50+M/oio4ampPaQu54Fg
CX4DoZDNbUA6w6uGfKroVzgAUyax+dSVi1xXlhy3n9jFmYunUI8+DY7x0OuRs3Pv
WuPy1qG5tgUp1siWzvHPGBq9/phM9cdJEWdvd37a6dQ/d0ReW/9/sf30tymuhJiT
GwIDAQAB
-----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 431689039582069427250591125775378978493590
 . . . . . . . . [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 2024-02-27 03:21:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-27 03:21:08 +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.nuwattenergy.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 23093029917501203944879318620394568783169925637531567639674936540308377300039008027265838392328862539635756799657918117644569247515589298903802600783508682151295159608877825824423855561752100012636092536140550322402836367320230222407977988116538512409129705310375457284019163756201863568516991600017187226712884608501147718088109967564705208618166094829613635089137913821972163023659841824959730233180516084051522857574798112859377677146160391470175254792895344181138939131785070114571269306700870916698446505900322176087273153255211802244747610727119986782932502568325653014551906570169246828757960287010723861140251
 . . . . . . . . . . . . . . . . . . . . [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)
							1a6f77d928697be12198d3d1e99a294a1dd5cf23
 . . . . . . . . . . . . . . . . [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 (90 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.nuwattenergy.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nuwattenergy.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'portal.nuwattenergy.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nuwattenergy.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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018de8cb8ba3000004030046304402207427d21cd8aa8cf86b52904e3e2ea1c8d16787e436ad5b01af3a4df32e0fec0c02201b13e431d533220d31b6037f366f60e92465a07318f6a8786b42f8d976ed268b00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018de8cb8baf0000040300473045022005812c5104fcec43cb03ff689522bbedadbfe3831bc51540a57ef7812b600a91022100a3de6f54611f5d23bd3da64869e7aa8db958e271d65f1889b5094f6951c42a11
 . . . . [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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