www.cmstlc.it

Issued by R3

About this certificate

This digital certificate with serial number 03:88:e6:dc:c2:51:f5:0b:64:f1:bf:97:02:d4:76:4a:52:0f 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.cmstlc.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:88:e6:dc:c2:51:f5:0b:64:f1:bf:97:02:d4:76:4a:52:0f
Serial Number (int): 307922128382148561158102635460000465179151
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dc:fb:84:62:bc:4b:d8:07:fc:7f:5b:29:5f:b0:33:08:a3:0f:26:3a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0f:a4:68:53:4e:05:fc:6a:f3:f1:2b:a1:9d:f8:0e:40:56:cc:b8:3e
Fingerprint (sha256): 3e:21:59:17:f2:dd:8f:63:13:db:0c:12:a0:63:89:2b:b2:d7:be:47:e8:fa:4e:63:6e:0e:a1:fe:67:dd:5a:40

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

Revocation information

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

Check the revocation status for certificate www.cmstlc.it

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cmstlc.it

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

cmstlc.it
www.cmstlc.it

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helpdesk.itconsulting.cologne
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support.inovatraining.com
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helpdesk.pumtrix.com
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asup.fancom.com
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support.airgp.co.uk
support.airgp.co.uk
support.medianit.co.uk
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support.inovatraining.com
support.airgp.co.uk
support.manstein.at
helpdesk.itconsulting.cologne
users.digitrame.fr
asup.fancom.com
support.airgp.co.uk
support.lnmlaser.com
helpdesk.pumtrix.com
support.manstein.at
assistenza.edilbruny.it
cetec.support.arlian.fr
support.justin-legal.com
users.digitrame.fr
assistenza.edilbruny.it
assistenza.cmstlc.it
helpdesk.pumtrix.com
support.seosmash.it
support.lnmlaser.com
support.seosmash.it
helpdesk.pumtrix.com
assistenza.edilbruny.it
support.inovatraining.com
hseq.naturalpower.com
assistenza.edilbruny.it
ticket.widemann.gmbh
cetec.support.arlian.fr
support.manstein.at
helpdesk.dataroad.pt
helpdesk.dataroad.pt
support.ti-medi.com
support.lnmlaser.com
ticket.widemann.gmbh
hseq.naturalpower.com
support.les7royaumes.com
assistenza.edilbruny.it
assistenza.cmstlc.it
assistenza.edilbruny.it
support.justin-legal.com
helpdesk.dataroad.pt
assistenza.edilbruny.it
hseq.naturalpower.com
asup.fancom.com
helpdesk.itconsulting.cologne
assistenza.edilbruny.it
ticket.widemann.gmbh
users.digitrame.fr
support.justin-legal.com
hseq.naturalpower.com
assistenza.cmstlc.it

Certificate

The complete raw certificate details for www.cmstlc.it in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0mvLsOhIC1Tvg8FUmz5Z
0JIGpP/534WQhhaKatpqpoY73UpA0jD5bdmKBFTtOlPvDG5mI8PSnq2++jHssOI7
9jtNqTYSycJK1lEHYivzG+nlvHVhlfPVh/Qw1qioiHJw9+dvrFY/9UDQ4UjXrplS
rKs6cJDoSrOEUm6sv7oHzx93tlFfy9kyVrRHGJc3rS1vtPicEy+Rm/HacaFq8dZu
3C1Fj7V1HAnBSv2fD8uO30MR/VjDufU56bMehaTK+/tgW6AlXtahnKRjqjqLNlb8
XzbmdIkip/KfYfI6If/w/0mosp9SVYMoUegiVmOoKm5Pt9xEYYtoS/brRQ4auyp7
oQIDAQAB
-----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 307922128382148561158102635460000465179151
 . . . . . . . . [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 2024-03-23 10:30:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-21 10:30:49 +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.cmstlc.it'
 . . . . . . . . [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 26563200067985281741234673928710808576086261170425327659308007451315266531432504338950067241282380768438279311360264991425071179578489036769924509545630469464383110035992743920933375676305123252574734561773086777785411885125089702439093282622625042487266573997767815196348002624857197080186959713105647255208983010436054830253128833004114715038166938481024790735213450842522898962779344961540112123422530764401912100180985204078478013136246059640519018014544478437977266519259751840340716209660268926302441196297595666142522072283940333158267035735688792226026864021864852940063007866244181424239902291030507619253153
 . . . . . . . . . . . . . . . . . . . . [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)
							dcfb8462bc4bd807fc7f5b295fb03308a30f263a
 . . . . . . . . . . . . . . . . [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 'cmstlc.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cmstlc.it'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e6b13e95a00000403004730450221009bc6af6c98d03b64a6241ce0c1823c154d2331bfe8befcf0085442ea983ce8550220159f2e3f2274a47b672f30a79a2b9de461c7fd0f4345bea049431bfe944a28fe007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e6b13f14b0000040300473045022100fe97970f2ebb6808a6758fe34ba110e2859f2384de9133998d512547a9afedb402206f2726e35f2c57796749fb6e2baac0a93101cb777bee68cf1f2fbc10a3456aaa
 . . . . [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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