tcc.twai.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a4:f9:33:bb:f1:e8:4a:35:a6:43:19:57:90:49:ad:bb:cb 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:a4:f9:33:bb:f1:e8:4a:35:a6:43:19:57:90:49:ad:bb:cb
Serial Number (int): 317474412360381350561368933416692892941259
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f0:04:28:48:ce:c3:d0:02:54:4e:c3:e1:21:10:d7:f4:d8:4c:3c:d7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 81:e0:d4:4d:ca:d7:38:c5:b9:23:2f:20:6d:17:ea:37:0f:8f:0f:c8
Fingerprint (sha256): ab:67:00:70:0e:79:22:1b:77:52:96:99:86:2b:d1:f4:64:dc:b7:bb:40:9f:24:f0:2d:07:cb:2b:51:34:d0:66

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-----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-----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 317474412360381350561368933416692892941259
 . . . . . . . . [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 2016-09-11 23:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-10 23:31:00 +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 1014905213044647196345107692340860840555057235550890811001624412242738584350849836490957772435861302061312833956056115289319040848379440870995618074446318531404420605905868267548633091962476767678102513677872910943562754803832671722841574723717128979538939981565904167959993077816317102894261206655377408218391434942539355752023578657312524758307450942899258763452402432663377233526304267739222531760514202384260461367361627083750162895040122496112100001363718610491875260016398763771051285111898356390755983686615765956677599510679592624765022021038876637749894517415631205879757983416991787061106198255319544221352811742893536536168409563294634890332723881835287936316338472676583558921145403422460806750388067263134300603863228971623695702241535003586440886721339147485451970818084434153046516059093393330874767145243745753170294622211956628171966555975497965070857897495459018731579647207715986455455328171027429672530620087689234449761598832461358109956851640365256882338049321532164003761541825195765136834249398420348659579071356344809158014392417199194952421454734771830270716442914775293729386847798995662476926266996699437134761028014675001563927832908305005710143997337089992168642908172700727259491118176627261741850315533
 . . . . . . . . . . . . . . . . . . . . [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)
							f0042848cec3d002544ec3e12110d7f4d84c3cd7
 . . . . . . . . . . . . . . . . [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 (100 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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