www.amtindia.co.in

Issued by R3

About this certificate

This digital certificate with serial number 04:c9:30:5f:9d:e7:6a:ad:64:f3:a8:90:cc:99:e8:25:1d:0e 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:
  • 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.amtindia.co.in

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c9:30:5f:9d:e7:6a:ad:64:f3:a8:90:cc:99:e8:25:1d:0e
Serial Number (int): 416910198892821882859204515221952304323854
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ed:bd:5e:7d:94:f0:cf:82:a3:1a:75:44:82:d9:25:f2:13:31:82:23
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 93:19:dc:4e:73:b8:4d:e5:e2:07:58:27:16:be:9d:fc:2c:94:45:21
Fingerprint (sha256): b4:57:7f:c7:bb:ab:5f:2c:7f:37:86:17:ab:c6:75:40:38:96:16:d2:8a:d3:af:f6:8a:a7:d3:81:e6:c0:93:e9

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

Revocation information

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

Check the revocation status for certificate www.amtindia.co.in

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.amtindia.co.in

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

amtindia.co.in
www.amtindia.co.in

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worldrivercongress.amtindia.co.in
www.amtindia.co.in
retrotec.amtindia.co.in
forum.amtindia.co.in
wiki.amtindia.co.in
amtindia.co.in
amtindia.co.in
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retrotec.amtindia.co.in
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tasks.amtindia.co.in
staff.amtindia.co.in

Certificate

The complete raw certificate details for www.amtindia.co.in in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFAjCCA+qgAwIBAgISBMkwX53naq1k86iQzJnoJR0OMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMDQxNjA4MDBaFw0yNDA0MDMxNjA3NTlaMB0xGzAZBgNVBAMT
End3dy5hbXRpbmRpYS5jby5pbjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
ggEBAMjXINvxtpM3LgJ9veNOLTDut9nQXId0E+gRhXqBLuF4skCOPftN3HrIM26v
WbOd/H1AgEyVkYhhNEo77IgOya0KnANegjmYe5CWQukcZYb7iASjMaEAReR36TS0
CYbY4GJCR8QLKPzgYb6FZ4Pxq+a4m+cO4A87CTlGWnOOb/EKWgRWLRqwiQA4kD9W
7TtbuCWCjCSccwKlEVdpQ6F3w/WtqAiEs2ijSWCgD4o5xcGYnwvsTsUoKc3qR0bW
UqVgL4eopm/aLEpIevFA4mWt/TliXXEYmCJEtJeKlz4nXh6iZwvYCcLHsDSJDHqA
gxzPm3aSOB0PMhO+QK/Cguk4tfECAwEAAaOCAiUwggIhMA4GA1UdDwEB/wQEAwIF
oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd
BgNVHQ4EFgQU7b1efZTwz4KjGnVEgtkl8hMxgiMwHwYDVR0jBBgwFoAUFC6zF7dY
VsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRw
Oi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNy
Lm9yZy8wLQYDVR0RBCYwJIIOYW10aW5kaWEuY28uaW6CEnd3dy5hbXRpbmRpYS5j
by5pbjATBgNVHSAEDDAKMAgGBmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA
8QB3AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjNVyMywAAAQD
AEgwRgIhANXdb0yP5GCFzDcBhjH5mj62pISmqW7jguWc8SGq8PjxAiEA8f6M7rld
iM2EHfdBhSNpZ2v9LP+t27CkqbBu72enWdoAdgAp0DobtnSqcRzTA1tlV8FPiqeL
T+g4lEnspFP5RL0kaAAAAYzVcjP9AAAEAwBHMEUCIQCamgfOwRMxMBxWiUPJIp31
QOfI0x0WXmjQysmcS8doYQIgS5fb7gGZQsJskKfQYxvGKvRo0SZ/JowPam0+a30q
pyEwDQYJKoZIhvcNAQELBQADggEBAJ7U3PUavevrOQYkEnkK3XalorRX3OUofC2N
4jIeGbRNenSCb2bpt/PEev9Uk+VmGMn987HBH/QWZc6i4wKOoDtRfb+qo4LFQZ5+
zJUn/+3V1VGRMY0VZkoyuOnKOBS7e35aXj0H8adHl3yTQMcRqpRLaw1ksstq6Hw8
DRYwGuLQCANYmdSES6h3pG47Y7r/jjZA0OlmLp0uRbZpZGiR8+JOxxQuvRlSx6Ec
cBzJUc+mUnqBR0az9LIeUQNU+sZl/LLB54r74+V36EYbqPTbMf2rsmReNqf4Yxhc
LSaufW+kQbj0s8/K7NBOpk+Ic5dxTDHBnLIHcJdKpntW8thuU68=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyNcg2/G2kzcuAn29404t
MO632dBch3QT6BGFeoEu4XiyQI49+03cesgzbq9Zs538fUCATJWRiGE0SjvsiA7J
rQqcA16COZh7kJZC6RxlhvuIBKMxoQBF5HfpNLQJhtjgYkJHxAso/OBhvoVng/Gr
5rib5w7gDzsJOUZac45v8QpaBFYtGrCJADiQP1btO1u4JYKMJJxzAqURV2lDoXfD
9a2oCISzaKNJYKAPijnFwZifC+xOxSgpzepHRtZSpWAvh6imb9osSkh68UDiZa39
OWJdcRiYIkS0l4qXPideHqJnC9gJwsewNIkMeoCDHM+bdpI4HQ8yE75Ar8KC6Ti1
8QIDAQAB
-----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 416910198892821882859204515221952304323854
 . . . . . . . . [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 2024-01-04 16:08:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-03 16:07:59 +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.amtindia.co.in'
 . . . . . . . . [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 25353744739391140675054642722798925156138482151408654721649867684389214991857721480638694870383664802345934010978638479737675725636039823531955893333707752029387477740089851978520677617114316750776736350635986005821538992454745311116394856072883760730220281026006615795703255214734864298825597732085948183563432008937883577229295413165847803901610646484070249158019200881478760372578952713388794790668677404864547532068403854645959333157078729908839850752015449975480926572973286561939242916246892548242135925152411673197129608188293175720690414185587578924877568437285584066928769863481569584168142786380211397637617
 . . . . . . . . . . . . . . . . . . . . [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)
							edbd5e7d94f0cf82a31a754482d925f213318223
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'amtindia.co.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.amtindia.co.in'
 . . . . . . . . . . . . . . . . [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)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cd572332c0000040300483046022100d5dd6f4c8fe46085cc37018631f99a3eb6a484a6a96ee382e59cf121aaf0f8f1022100f1fe8ceeb95d88cd841df741852369676bfd2cffaddbb0a4a9b06eef67a759da00760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018cd57233fd00000403004730450221009a9a07cec11331301c568943c9229df540e7c8d31d165e68d0cac99c4bc7686102204b97dbee019942c26c90a7d0631bc62af468d1267f268c0f6a6d3e6b7d2aa721
 . . . . [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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