twai.it

Issued by R3

About this certificate

This digital certificate with serial number 03:52:c8:f5:38:a8:6b:3a:e7:7d:3a:98:cc:13:dc:af:00:a5 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): 03:52:c8:f5:38:a8:6b:3a:e7:7d:3a:98:cc:13:dc:af:00:a5
Serial Number (int): 289507130743843473365033264629404924838053
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 72:06:b8:47:7c:06:3e:f8:84:92:e9:bf:05:75:8f:01:5e:59:9a:06
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 58:7d:64:0f:41:33:46:34:e9:82:5b:5b:3c:4a:5e:83:f7:4b:8e:d0
Fingerprint (sha256): 89:4a:81:24:88:5f:3c:98:59:bc:25:85:4f:b8:b5:77:4c:36:09:f4:d6:f7:b2:5a:e3:26:69:77:4b:7b:05:d4

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

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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
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gev.twai.it

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE5zCCA8+gAwIBAgISA1LI9TioazrnfTqYzBPcrwClMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA5MTkwMDA0MzlaFw0yMzEyMTgwMDA0MzhaMBIxEDAOBgNVBAMT
B3R3YWkuaXQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDh3Eizm3OU
ke6GQ/iUZpWqzBkcuC7SuKQSUqdXaUyuQq7unyPrRtHYvw/KpzKDs866zF2zkTzk
QefxWPiOz3FWBt7Hy5DQjA/0cvmBvvZwwF/3sb4wMZyPELgtEPma7xh0fs/nFtBk
BWHNmvq+p7Kfqpk3ePkhhpSSrrxCBh63pO2nLDiY9/3E/Vhpo1VaHpM3ME2R1rv4
lb73CgEXqo3zQrD5J0X+F7Z4Gfj5INYTM/hZTgL7qPrRHjOBFDyP647HAMzcD0xK
iYbJl1aTCqY17mLxfahA6I1aMniZ8DankE4hz6XvR3AGGXqh9unew1JofogGTJGm
d7Ydo0IAPMDtAgMBAAGjggIVMIICETAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHIG
uEd8Bj74hJLpvwV1jwFeWZoGMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L
FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu
Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMB8GA1Ud
EQQYMBaCB3R3YWkuaXSCC3d3dy50d2FpLml0MBMGA1UdIAQMMAowCAYGZ4EMAQIB
MIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAtz77JN+cTbp18jnFulj0bF38Qs96
nzXEnh0JgSXttJkAAAGKqvfFmAAABAMARjBEAiBjbgcBQKNcn5MDOKxGGUmbvpP2
WWK6IZzbsbRrOZOGZAIgWDUa9o4c1lN/elVWfY5R+xYX+f5PCmhOqCAG5ov9groA
dgCt9776fP8QyIudPZwePhhqtGcpXc+xDCTKhYY069yCigAAAYqq98XuAAAEAwBH
MEUCIAag6YpI0MCKxDBGYj3lyNGJl1SkbOrOF7FoqmsVOsLYAiEAmlO+1cxfnFLr
17f/bI4HN6G5M5JYvqfVf8WL1Izd2bIwDQYJKoZIhvcNAQELBQADggEBALKUGK2o
ihYFf6eduSAknQOkIz5KTIA38Z5CdBTmUVrDL1NCjTUFS39rsIg2iM+JIBqOpZgM
NtWO3VYkZ8BMwfk1SEUNXlT1PzYk3Z7qozi5DSsg6cUzj9mM9N6s9mHUUJ7Xnoir
DWormGfGJjL0CkLIdwQ5dAjnoOYJ7+Ekc1kWD6JJV+2SsPnOtdHA1ceaGFRXlVJ8
PiEFDkPiOA4LxpexsIuBhm0EhQejRJ5QoRvjtawZ8MXi5pmdhLFc2UVdk5xnKrm9
jIQ4MOJSoSlk36uOTwSEgf5G99LH6NM5ct50GdcDEubo+h7TYdakKe5Vo0Zihf2r
4yhTcd7p6N/a2I4=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4dxIs5tzlJHuhkP4lGaV
qswZHLgu0rikElKnV2lMrkKu7p8j60bR2L8Pyqcyg7POusxds5E85EHn8Vj4js9x
Vgbex8uQ0IwP9HL5gb72cMBf97G+MDGcjxC4LRD5mu8YdH7P5xbQZAVhzZr6vqey
n6qZN3j5IYaUkq68QgYet6Ttpyw4mPf9xP1YaaNVWh6TNzBNkda7+JW+9woBF6qN
80Kw+SdF/he2eBn4+SDWEzP4WU4C+6j60R4zgRQ8j+uOxwDM3A9MSomGyZdWkwqm
Ne5i8X2oQOiNWjJ4mfA2p5BOIc+l70dwBhl6ofbp3sNSaH6IBkyRpne2HaNCADzA
7QIDAQAB
-----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 289507130743843473365033264629404924838053
 . . . . . . . . [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 2023-09-19 00:04:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-18 00:04:38 +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 28512244701672168560750277386611088557072483861832451560492683770363392892588196188140999260730240518589210367879635445162074902760949165402554913243980046002651219382117888466898351743826572037371909267715195683748820031057608715587149542814599316269469732430227370288288252002710144531548372946457312838729937895330973741263403299621447501229147131289873297521191135064647378029625166257940705499265209417655620345156597733312366679480368909877378650703800495063734639480618420193792194924564202497800531428805754660128047017040788950743186683880996167550004966358963388996659803377205752855447773084628020012826861
 . . . . . . . . . . . . . . . . . . . . [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)
							7206b8477c063ef88492e9bf05758f015e599a06
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aaaf7c59800000403004630440220636e070140a35c9f930338ac4619499bbe93f65962ba219cdbb1b46b39938664022058351af68e1cd6537f7a55567d8e51fb1617f9fe4f0a684ea82006e68bfd82ba007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018aaaf7c5ee0000040300473045022006a0e98a48d0c08ac43046623de5c8d1899754a46ceace17b168aa6b153ac2d80221009a53bed5cc5f9c52ebd7b7ff6c8e0737a1b9339258bea7d57fc58bd48cddd9b2
 . . . . [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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