www.amttechno.amt-india.com

Issued by R3

About this certificate

This digital certificate with serial number 04:89:a2:17:a6:b1:d4:59:45:99:e7:6e:eb:72:23:49:ea:e1 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=www.amttechno.amt-india.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:89:a2:17:a6:b1:d4:59:45:99:e7:6e:eb:72:23:49:ea:e1
Serial Number (int): 395283285734323556469788256845959808019169
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4e:c5:99:50:4a:34:57:3c:90:57:9c:d9:60:ed:e9:8c:f9:63:d9:12
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7b:da:f5:60:71:0f:2c:e1:ee:7d:8a:52:3e:33:ca:17:ec:ad:62:c7
Fingerprint (sha256): d6:f5:0c:cc:b7:ba:9c:1c:d2:f4:92:fd:83:76:bb:11:90:7e:a9:0c:52:f0:4e:cb:08:cf:f9:3a:14:44:71:82

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

Revocation information

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

Check the revocation status for certificate www.amttechno.amt-india.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.amttechno.amt-india.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

*.amttechno.com
amttechno.amt-india.com
amttechno.com
www.amttechno.amt-india.com

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Certificate

The complete raw certificate details for www.amttechno.amt-india.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyUEUbWeSaoC+jUd4bKqJ
xY6GnFwgh6c8588bIBw54A6IidmMBTscc60yciCaaMksb0pVk3O94jd/ouFCKNCj
qCOj6tvy/sRiWE6DEcDruz5NcXm5rmLd5pVAKRrUMPPy8qigDY75w8ft8sfKzr1a
W3QAL0V6S758WYyNjZ2jFhELHs8ArzCP2YgfrU7jJ11WGoXNFyM0C0YSkzd43LoJ
kgREcSMVtf3YPVwi4AtCTXapJ5sPqHufcvk2fEJg0p+/7rHgIatllQWnVbdfO0L2
8S14n79+smTA3n6hpVeh6PEmPWtnwEtFss6aRtbIX87Gsi7pp6sAMMxNvmoJLsBi
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 395283285734323556469788256845959808019169
 . . . . . . . . [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 2023-12-09 07:03:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-08 07:03:27 +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 'www.amttechno.amt-india.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 25405991340874050957371731655764250777181379518134647128481602220482372332763674384072876633471558857041912965409607878579055279263629769221829227242360903427565276058394922378028639722110593456602744251676705652342401081203189522003650679200120512361546145215462501828021721337948739854978400263743319278324233180261394451468228317690727915818844896165577042246516154290586580146897473236451684368065735891496152484681532062359923748322259838040487348958511074193518260483916353956663422029687087160411137765623978530067954523254448263643038536713882910430299428833902100396076315010568065895148233436746988080095771
 . . . . . . . . . . . . . . . . . . . . [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)
							4ec599504a34573c90579cd960ede98cf963d912
 . . . . . . . . . . . . . . . . [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 (88 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.amttechno.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'amttechno.amt-india.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'amttechno.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.amttechno.amt-india.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c4d9a551b0000040300483046022100f8b014465d82cdc4deaeb945ee7717599cb3886b7a984e172052139a1efcd7d6022100cbb7f61a24142487617981d22e4adc67fa4a86cfe925d10f3cfa5e5e300c7b0500760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c4d9a55530000040300473045022076249ed249a8d2d0a6a4c3638f0995213118fd928d14e2455118a7f8df63bc71022100e90ce197958b7b84bbb72af35b11e835c4ef8deae9471aa2b6d4cf92f1b2b48c
 . . . . [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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