itmmi.com

Issued by R3

About this certificate

This digital certificate with serial number 04:77:eb:0b:4b:90:fd:e5:4f:d0:18:f2:55:94:42:05:74:99 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=itmmi.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:77:eb:0b:4b:90:fd:e5:4f:d0:18:f2:55:94:42:05:74:99
Serial Number (int): 389255172617575715456205995758449204753561
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: fc:41:c8:7c:c5:b2:e1:7e:d3:b8:71:dd:bf:36:65:5d:6d:3b:ee:59
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2f:b4:1b:53:a0:df:ca:2a:fa:a9:dd:7e:ef:d5:29:e2:ae:4f:f5:dd
Fingerprint (sha256): c2:dc:b1:86:ac:82:61:f1:8b:bd:bc:24:f7:ca:ac:59:23:f8:27:bb:d4:e9:f2:52:14:b5:cb:03:06:68:9c:b6

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

Revocation information

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

Check the revocation status for certificate itmmi.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for itmmi.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

itmmi.com
www.itmmi.com

Other certificates including the domain name itmmi.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxROjcxlXy5CF1NIwAs7P
bncTDjk7uSO6QbSstn6LQjZC1zrN8RewdRqlQQtuAVohARmDxE82L9iEB+ysE04L
pfUiHrBRsLiyml9FTO95hg/JmjcgpMKjc95ZRpwjQy1JULN72o6F1bfDXgpehfvN
BGjsd3km/Svl0SvaN4erNhLhj7aJO+NT5nocJzgFEECsh240XbRgZMlHh7ub75Kz
dYkAuoxzsZir0T8e+aDIMqkmaDs1UrwiSqdHWenzIJBQYTVIiQdx2i9ZCUo33+Pz
ILf8h2Va3mceMJKZtIdvi/O9q3d6hQ+1j7i0w8C/jQNhdiew5uJGK0ug8EaFhBi7
sQIDAQAB
-----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 389255172617575715456205995758449204753561
 . . . . . . . . [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 2023-06-20 01:01:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-18 01:01:26 +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 'itmmi.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 24878630171277639047279287933808782812155157483461694622547689543988483936406981777456163825849681467064832757561369387545781048060388973896684676061982404623377724046524665469469257150125926054422042122886777290728667638427320258500498235692533276788545671710484358661103469302200863917006948529328320218188687629814497186668269899879758265856938120500829430631396337688739219491622174646069369503395988034805236448443755403169698298218183650109754819947857144392451444865394665733083627490608869569582005232539180677012916395769222782458531321450974421699164071206653961241837682915676566189787618202581719852825521
 . . . . . . . . . . . . . . . . . . . . [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)
							fc41c87cc5b2e17ed3b871ddbf36655d6d3bee59
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'itmmi.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.itmmi.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)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188d68912c200000403004830460221008592d18770932f7c307bca0de626e20eccd9b488d8b5e302e71a0cff69b8fcce022100cc89f66e12be3dfa44badb217f45468e10425835a4bb27294fa4f455e066d2980077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188d68912d10000040300483046022100c7aec0e527be9f51e25df70038c5612615093aa008608ff585311a19b3fe3125022100842f24ba0329846720e349f45844ece2653f57ac2bbeede744d7f61b823af903
 . . . . [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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