ndtcorrosion.com

Issued by R3

About this certificate

This digital certificate with serial number 03:80:7a:a9:03:e7:72:d2:e0:19:cc:3a:c8:3a:d5:a7:5b:78 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): 03:80:7a:a9:03:e7:72:d2:e0:19:cc:3a:c8:3a:d5:a7:5b:78
Serial Number (int): 305056044154000185961124937099540548770680
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ef:c7:f3:6b:6f:29:32:b2:84:84:09:c7:52:55:7a:e3:17:c5:82:fd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cb:83:0f:dc:6d:cc:ff:9f:f3:8c:1c:13:bc:f6:5a:18:44:56:e7:09
Fingerprint (sha256): 3f:f3:97:ca:bd:5c:75:cd:a3:e4:89:e1:78:e3:32:03:9d:0f:5b:4b:63:d1:9d:c3:29:03:f7:ba:1b:e6:99:3f

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)
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
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ndtcorrosion.com
ndtcss.stutzen.in
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
ndtcorrosion.com
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsOVP0G5D8VXDoBAzkjxY
y8MVXIio9bIVMrgUAflOaAPvEcP0byroeT/tyGa+G5S5WHCTfgQhw9xbhSSa4GhI
4xoZpYNGBvJmthO0hqEZXNyNqfkoTMGPcubrDM+YM5p0fI1cUPgAPLio5vkt16Og
GyqpEmQfSP8Bdo/5MavxUccP0HWntcyEsR5SGr0nV4x0SqeZR7YODknIEILdgLuU
Jmusjz8OLr3QbUzX3tvmoB7lmp0P4sc4FXFGe7EuP69nTlMzFwIBVCaYVizRNpQh
TOzj0+tIZ+QVsh19ZeskVDc4wTPE9flagMe9hA+UPVREAeX1nHmQeRadLwcdYc8e
PwIDAQAB
-----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 305056044154000185961124937099540548770680
 . . . . . . . . [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 2023-03-08 05:40:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-06 05:40:08 +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 '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 22331019524329103088145473859740841517437981410687346106460641378192899430238674272881582975022183258085474713537130585750102725654899716891438642567986430924108882076331758621004331831468076309671174948807173904727691445518934747920716677723052714069216022925854729688645778912298406547873443968351101091434665301113927908171000710192809052400642026378554011122681323351632682110256165279171233198714725972195585231584541735583346756263271821235324048267402570120454076373041695382585855653116382206459331045070682959581994508301775343524457490618973625884884602006786370894303887323425284782335711262089846799146559
 . . . . . . . . . . . . . . . . . . . . [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)
							efc7f36b6f2932b2848409c752557ae317c582fd
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000186bff2d99e0000040300463044022058b2442991b4e6885674469ad451d62000cf3b4e395ed52be25cf845273b6d0a02203e826e5155838570b8dc2ce28a5d976a4c43ec0418804db6c7d010e28fe6b8360076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000186bff2d9b50000040300473045022100f8a7102fff99f427e472c6455f54794ec15e4fe2d9968b2f924b22e3f5404bac022050ac6d28115edf3c86aef22d3408733c13a41f37984b53a8ac4004864906e46f
 . . . . [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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