ndtcorrosion.com

Issued by R3

About this certificate

This digital certificate with serial number 03:d3:60:53:b5:22:82:e7:5e:b8:72:3c:25:47:c0:da:05:80 was issued on by Let's Encrypt.

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=ndtcorrosion.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d3:60:53:b5:22:82:e7:5e:b8:72:3c:25:47:c0:da:05:80
Serial Number (int): 333264477737683774592018996030108115535232
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 16:f0:35:2c:ff:aa:0f:fb:d3:e6:4e:fb:ab:66:d2:51:01:f0:85:03
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 83:ed:d9:ac:62:64:7d:be:93:3c:56:3d:62:ad:6f:17:ae:9f:13:0f
Fingerprint (sha256): f8:0d:15:92:00:a6:08:42:36:3d:ad:97:8f:1a:72:61:fc:19:3d:25:27:03:b8:61:5b:e9:a4:be:c2:ce:9e:85

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

Revocation information

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

Check the revocation status for certificate ndtcorrosion.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ndtcorrosion.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

ndtcorrosion.com

Other certificates including the domain name ndtcorrosion.com

(limited to 100 certificates)
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ndtcorrosion.com
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ndtcorrosion.com
ndtcorrosion.com
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ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA38KCC9E9zGFP4fN5WqaS
sZqJimeccqPCCN4B6cO2QDA4WlLlmg0408xFWib0yHr/ur07naVvEBF4NwUBjSGq
pzu9eXSsaiCUCv1T5MdSWFRSg29hCZIda/iSnM/IZgK2STU9A9NnOfNG++DCLUYH
RepcoLC50RQuUljIs+P+w3slNBahBbQ39AwjLdA/6ZUlQj6JshJKE8J09NwoGRBV
ycJiTC44Th/mT03behfjCt9AL6Rdgp2B4SxZvLMkBkEW1u31UNgRku+GucgAzYp7
mRMlO7HSLVZ6I/AG7wX6O5zX7spEZ1QTeOL91i4b/Ylichfd50AQA80QEp1XlPiz
vwIDAQAB
-----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 333264477737683774592018996030108115535232
 . . . . . . . . [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 2023-05-07 05:40:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-05 05:40:16 +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 'ndtcorrosion.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 28247057473508221369486987963054700393295713221294291669214177351092613171893331467780497386331594468355626647496839801213534771690017850214597813659714875231944538090471609334495348081490317017444116024797702254807713150656755593263562912535366069607760114339134212130525454304922062899336336082889722628994032886425155727463186797704969377374901870055469549600285617964759827112786777930915517684075289440941150940445150512349912839766445678842589239946596621434497172728601499695751977634308441301267888943534367439739621594219129189701801550003312384360377987339131010200846876674431603148565758182065262743303103
 . . . . . . . . . . . . . . . . . . . . [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)
							16f0352cffaa0ffbd3e64efbab66d25101f08503
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ndtcorrosion.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000187f4f08af900000403004730450221009dcc12ce9646a9d7762dbe8b0d8c0fada2807be1e2e234780a4f112278ec74e7022067ed6009e291c33c77944694201979d78d7f38a1e74cedaf097b51a92805ceec007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000187f4f08aef0000040300483046022100bd1f8574e5d42f63a5815ea707984a7e8a3328ff2f354c9e3635f12ec9e1dfab022100c0f161c000c821b224493ac76d989d5fdbb8be5b86a447558b71307ecc5dea76
 . . . . [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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