tcc.twai.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:91:88:46:e6:43:32:aa:e6:d3:72:65:8f:2c:1a:b3:af:a0 was issued on by Let's Encrypt.

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=tcc.twai.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:91:88:46:e6:43:32:aa:e6:d3:72:65:8f:2c:1a:b3:af:a0
Serial Number (int): 310858944137301839724975038558860404305824
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a0:5f:6a:f1:3b:d4:6c:e8:58:13:e8:2f:6b:56:cc:54:2b:8e:23:b0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0d:52:e9:c7:29:e1:da:89:f8:ef:51:7c:ae:cc:f8:6e:a4:9e:8e:a5
Fingerprint (sha256): b1:89:b4:20:44:7f:80:08:25:45:81:25:1f:4d:96:ff:a5:7a:91:d7:ad:62:8c:7b:7f:56:91:d9:9b:e5:21:c8

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate tcc.twai.it

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tcc.twai.it

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

tcc.twai.it

Other certificates including the domain name twai.it

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAr37aEQq1MEHiVNgVRZDQ
EQ5hR0fVqD3UQRBaVglTr+Fdoj7O6m1V88BmSdMUje86etKwPYSNKBrcZ1gR7WDb
LrB1FjqGue2WYKuSErzYSrpykDm9/qc1PwgW843UvRShnC1XRuJI6vPD6YOSLE44
nVVb86bE10qSkrxsCrENsLvEQsCRrwKOqBwdal+bpeQsAWhyTQVg/ro2GKuCvrjP
vnqfGF0uiKTiH8OUiCkKS94SOX8vUBHgtOWLfPaea3KZa0r8gGORzPIlHWcl91ST
vL1o0gzJy6AwFdNGqKKOEkkjM+gR81PoqNqrK36rW2dN/P1PwsMIYJsFh1rRnDbC
xtEVaQN2DLtorPxXe6oeWNuFvLdmJ7Ssb/+7i46tDgUKLAvQX5jhIPii6GPd7asD
6FKCqEDjHg6zvjpBhju+M0j8ODKytVGZk8hyey10INgA4dVKv9sxSaATmOGN6s0m
f5v+3fX07T9uHeWyUR5lUuNLLa4RikpNTl+QgxmNykBskLQ9zndf9LDxO7DKjB8K
DYqPxmTUIY+oEaACc0wWEOQL6uehoZqEblEwEtgY6fRirTYw2GzpJ+fTdFF4jogP
EQCPsz1MR/A7eiY8LYwH8FTdsvQ702dlsRNeIOjzJOKp7/YyoPABRjk8f6jwug+h
zklIejbQ6NmcMYxwDiKzvJMCAwEAAQ==
-----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 310858944137301839724975038558860404305824
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-05-31 23:32:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-29 23:32:00 +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 'tcc.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 715959236455605238560060665540018369137939924343168897166263851916480514112095957762716004571884680784218562377302914909030904608147786221943870065676335049430896918227614254612673392915399770983359279651586957245120944907888777372314909622441647629278227978963768340310271250728267583267392224626246488630293571977152608864371122234032469376878541352436810292865704022650296390295767684904346891797553233193238668618106788576840557124584918461221704485749199163303088052502651176956371744295066271998100989720224814551137916698380912229180576297414020993439872190906298162923945139023815118328446929887177208123534626995612920085697979406630530578184718596647080160448036635371499619129972957350411395197318405291341701031055669169824670239660873851068916927580614389558002913106758448357717416643799946395438703323808118984046720507442436428981363457264174325924599597293514649065635108597319455690493573120521306495439891460384742891470910319456800024286912112055728270919374960885120938146271403718859959353389917085534234461895433292991871466072154086474565168557252254994526694484220448594793271833432050626032480201862818275735060497419248476765308567823461376332165889614928511890472256646412764429069018486285186277389352083
 . . . . . . . . . . . . . . . . . . . . [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)
							a05f6af13bd46ce85813e82f6b56cc542b8e23b0
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tcc.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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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