armstrongfluidtechnology.com

Issued by R3

About this certificate

This digital certificate with serial number 03:ea:8a:e3:4a:48:47:68:78:57:a1:8c:e6:2c:e3:aa:2f:e7 was issued on by Let's Encrypt.

With 2 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=armstrongfluidtechnology.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ea:8a:e3:4a:48:47:68:78:57:a1:8c:e6:2c:e3:aa:2f:e7
Serial Number (int): 341147545276210384290167443154750031933415
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 23:30:0c:87:ae:cc:90:94:a9:4f:ed:89:6b:85:24:df:20:82:34:64
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c7:a9:50:9d:d0:c8:85:6a:46:4e:ca:ad:ee:b9:09:b7:96:fa:0f:eb
Fingerprint (sha256): 51:87:fc:08:67:9b:52:33:5d:8e:54:3f:6e:ac:51:e4:6b:c6:10:db:a8:87:85:1a:b5:ac:0a:0f:20:b2:be:2a

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

Revocation information

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

Check the revocation status for certificate armstrongfluidtechnology.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for armstrongfluidtechnology.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

*.armstrongfluidtechnology.com
armstrongfluidtechnology.com

Other certificates including the domain name armstrongfluidtechnology.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtnn9cnqgjT5AbA4qce1q
x+Owj0pB4U4f9X4cnj2rqocsWZI5UOEMJv0StZFlMyzLiwhK1njAThaHabYci8lS
bRbVVb6u9sA6RLDfFrfOyVcp4ovUnIV9IgcCX3o0Z7W0oQv2sQRrY2h28u5q4kv3
CvnQOOGMKUs/9oMGkUM4XEdxdG2R1V85wm0t6+ehLzDd980UlHhKrpi8JNp9iX+P
t3+cCUrdlZpZjTv1rFC5Z36fBDn3GRQCxTenRCRKxXyXJgYPDBvWsdZCa2Tyv1du
bvDQwGCemkm4fAiLYiZ1FGjZkXTwmbrXKLFUO6c3h2vy4DaoG+7hQxNZTQUYBI/W
EQIDAQAB
-----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 341147545276210384290167443154750031933415
 . . . . . . . . [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 2023-08-06 19:34:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-04 19:34:15 +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 'armstrongfluidtechnology.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 23035527028686713534299042530261870221631751976471561964697114112474154458375646023849798163092645763493721947542868937262821908441457498232536638200700553037782244327785480291020309782958344297110691963187111528165981112423637520916059672477656852034452377082567771496537602871010639267057766804409353809137455981953131157394597344808586011734495573059197389531470796775387418471949955765908865233062491068485886695543065625755954370923029418482252014467136928133763395126587515689296024193564028883925544767648808549406080734448193039987100618061261290413257344944675846587115554621807556698103769411111585299027473
 . . . . . . . . . . . . . . . . . . . . [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)
							23300c87aecc9094a94fed896b8524df20823464
 . . . . . . . . . . . . . . . . [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 (64 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.armstrongfluidtechnology.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'armstrongfluidtechnology.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189cc8ec68300000403004830460221009336dd66e96e40e7a6ca67c078b4d9a6777efdcc0779a6abc91f731cd868880b022100bd947e077ef7a6852d864ef1cba7ac46ce3ba497eb8e132c2867fb4ea89b45cd007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189cc8ec67600000403004830460221009cade351a60e63049aafefd98bd5caf469f6b5985d1147c0ba5f6f79389b7641022100ad22e3e9ffe864781cadacad6bfb159d24e6a18d57e39f8c2683efa631c4467b
 . . . . [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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