twai.it

Issued by R3

About this certificate

This digital certificate with serial number 03:64:88:d7:7b:7b:21:92:ee:ca:ad:dd:23:5f:20:ca:3c:8d 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=twai.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:64:88:d7:7b:7b:21:92:ee:ca:ad:dd:23:5f:20:ca:3c:8d
Serial Number (int): 295546988343117755707429948294823739538573
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: df:17:99:dd:ad:35:33:96:1d:71:5d:04:cd:70:5e:62:bf:41:b1:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f5:73:07:85:e6:d4:4c:b3:78:f6:30:da:5e:21:c8:46:be:e4:43:f4
Fingerprint (sha256): af:c3:b8:fc:02:fa:62:88:bb:36:ce:3d:4e:48:0d:b8:48:9b:e2:f2:8e:3d:b3:26:fa:cd:93:92:24:a6:31:ed

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

Revocation information

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

Check the revocation status for certificate twai.it

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for twai.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

twai.it
www.twai.it

Other certificates including the domain name twai.it

(limited to 100 certificates)
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twai.it
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twai.it
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twai.it
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twai.it
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twai.it
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gev.twai.it
old.twai.it
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gev.twai.it
gev.twai.it
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twai.it
twai.it
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thechinacompanion.eu
tcc.twai.it
tcc.twai.it
old.twai.it
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twai.it
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gev.twai.it
tcc.twai.it
tcc.twai.it
old.twai.it
gev.twai.it

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzrdAnwsis2UV1jeKx+Eb
dZXNzW70x9NgN0aJf4q5w5tssB/5lUObaxCmW1bbDNrDsqrH+E8X8tQN/xEEcOTF
YBxkroRUAS7iTRJwGi0OXnl9h2QqvSBfj2fI4JDKYnAKxHviHhkwXFJv6SrVffPC
JZLhXSe43pvqSZwhDLkCuy24cKidvxjG3fXWze6uiqbZ2qHMyBKIrjD8obtSPNj1
mN8R7nCYpfqhMzPgUQRcfn1qb5EacH7dEyCBMGxnptxASKhTRLNQhmaqYUrlGFXQ
Y2y/CLYAg/wIlO3x/S52S3u4EEWuC6PQBJm23NNBtOibpT1aeV+hOq25wB1lq0px
SwIDAQAB
-----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 295546988343117755707429948294823739538573
 . . . . . . . . [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 2023-11-18 01:07:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-16 01:07:13 +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 'twai.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 26095455962623550880223166168732168069688274159701024145817527640824472292602070163087949884561834917125268673305557654811589758725975649556743518749714298696396914365016789420906410838364984248713328329636500326310482160777994426092802021847644505267096775648211988690630017311109324698150615016203603091554290334798472105084934252820673438812397364887734085337171827840809175141878853751996358757123016707343774435453811644473559044560700601462541967287589126538933773933838654025490731960406404489091090950131660921321007779745204747971158791471244536222786603298480278047255791675607423296413261265781520985649483
 . . . . . . . . . . . . . . . . . . . . [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)
							df1799ddad3533961d715d04cd705e62bf41b1cd
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'twai.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.twai.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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018be02ea3a00000040300463044022052ae9ef18a48cf85075592840b5917e1f0e8dd2c82ed05c68a545c064fab4e4002200edfb9df5734fdbf030745851d50f9525e7e5424101614c06ea02fb7deccf217007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018be02ea3ac0000040300483046022100a64528be77eb3dabb6c6e1e53c2a8215bdf0cdb1dfcfdbfa23960dede1ac4f52022100d85220250c54dd6c50e6daa79775de5b673bc88a5e6a37d0b9951cb21b2daa31
 . . . . [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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