tcc.twai.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f8:87:3d:d5:53:8e:44:f1:0e:4a:37:8d:b3:99:99:22:56 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:f8:87:3d:d5:53:8e:44:f1:0e:4a:37:8d:b3:99:99:22:56
Serial Number (int): 345906651627986026429309985267163374101078
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 77:38:e8:d4:e5:16:f5:3d:3e:51:e9:30:df:ff:85:c2:00:6e:eb:20
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:76:33:22:5e:14:2d:20:db:92:58:34:99:51:3e:6f:5b:a0:3a:5f
Fingerprint (sha256): 70:46:8c:17:96:54:81:2c:c9:0f:a6:ee:6a:6e:4f:73:c3:8f:31:27:c9:44:6e:c2:f7:98:ac:1e:b9:3a:0d:c5

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-----
MIIF+jCCBOKgAwIBAgISA/iHPdVTjkTxDko3jbOZmSJWMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjExMTQwMDMxMDBaFw0x
NzAyMTIwMDMxMDBaMBYxFDASBgNVBAMTC3RjYy50d2FpLml0MIICIjANBgkqhkiG
9w0BAQEFAAOCAg8AMIICCgKCAgEA6eV60NR48aIjvvlYKh8DjqNwfK4PU6kWtBm5
nstCjpAgA62IitlOEazqbTyhVTMhQNd+5c9ohl2uPABa0geiyF/Zu4SXohzIyQd4
6vZHb9RLzfTozfe/XidOHBUvu0ohOKu14SBot7L0Mi3rwThoqSWKZgsRa6KwgHtv
wpNUWZ/bfK38DxFkpCe8q99JDlhZ3pb2G5bgmr8Ui4EFDOs2t2eNFc7zdnO+iKyK
dofzwUqKIvpV+jaOev0w/hfi0+GrqdPOnXCPM1GGsjt/VoeTQHVlAweGEf2PeWr0
tuYIt1Mk+XF10lCqAzTOy9UP1NzckzmgZHvq0Zvo9OkISn7ThI9XlLgpspKT3eiy
V/VOGDqzyA9mLW6YEoU3mzN3bPJnxy/g+NUphwvtuBVmz7uGE8Bg7StW1yOolft2
LpDwJ9iaEV1Jqnd47sT/tyBaS/3NfwJSBaK6fxHn68AYs4zd5uj29iqgZPrqMLyh
B4ah1H84dDI6B2J/jqZZveNfZIEhIzu+79AsEEHMuURDVdO5Any6keEbCDh00Qmu
M/qF15+2bXi+jY8T4OELuEup4X1oVD/YunLYMLEooVHwd2ewcA9AD7eSQo0b6lrO
pqmqV9u60D/kOSIul+SRKUOWSGEyApcA+TvJCZ7LN5genjRFnQwPlyEjd4pgnnzn
T8vnq5ECAwEAAaOCAgwwggIIMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr
BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUdzjo1OUW
9T0+Uekw3/+FwgBu6yAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw
cAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz
LmxldHNlbmNyeXB0Lm9yZy8wFgYDVR0RBA8wDYILdGNjLnR3YWkuaXQwgf4GA1Ud
IASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIB
FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtU
aGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlp
bmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRp
ZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9y
ZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAaP/Nhl/EvmUYWfrmz4NDCnWE
UO5YZA12mdj0u16VOYuu1WlWmUTXgmnQWJ+auECkSS0ojnMvMOCYI9FXGtmXvzu2
FlC7yfRKIap4KuTE0agxNz3+xWD47F6GkIQBv6PsdbNAT584sR2YEnYWa8gyHAEX
VRmiqS5IJattyz/faNPTm9GNAvQfPSmJVlNDTCRmNQw56+n5Mv+5Jv65J0lPMktX
U8pfBlcdQQ7zAA3M3XTi+Vz1m+e4rmpVq2gLuFTDXQCmp17LJAyqhJASxYVIL9Dq
GFH/90IL3/J07vByRARlaeuBRbG8O3aAyCJQuYveeA2xpJx6J9sVpElZF9QN7Q==
-----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 345906651627986026429309985267163374101078
 . . . . . . . . [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 2016-11-14 00:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-12 00:31:00 +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 954214082288954720593886879564416949929570453006960563448386382534823899590395995656190772636438878592231462919016061176585506022974193383232977100695417935253001598409433627760963803325884155587424305920421173821888170543936714767981564679146630720635068222771976819869631459813523159769495571240348420166116772192876205100463030649766737609825262759382462135237847170100818987499604255199949873641930104938870872942471349330048484945922106866053730922495448019250057412740457092684825064435072347478174836482923418730489167662233378106385524328608413197727858353832587149772102909416642326215240947109918344232687449913761311852199790782258138744649140805918426862409957766778184884912050588103823604100627937005040832612802947827908769733143982783922778044414978088413273546434373350489029062450820024745975900710269414865502423143110740198308021701396406739325592942145681406248755942154393074829715894053210585961882338023040700365445836486039747527323599192149597636794723522995953220724023905852381102458136771345584356679235571957928979433342217882730509028508470480087281831272881817705242555584466725451266657256799135113491101472005580641644605531284973332979536949768204112177850205461495178681649850340667882668017822609
 . . . . . . . . . . . . . . . . . . . . [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)
							7738e8d4e516f53d3e51e930dfff85c2006eeb20
 . . . . . . . . . . . . . . . . [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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