tls-it.com
Issued by R3
About this certificate
This digital certificate with serial number 03:3a:d9:1f:24:18:de:21:dc:c0:6e:e6:48:0f:30:48:37:e1 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:
- 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=tls-it.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:3a:d9:1f:24:18:de:21:dc:c0:6e:e6:48:0f:30:48:37:e1Serial Number (int): 281361839245120080385829293815766419257313
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6e:67:05:d9:6b:b8:5a:8b:fb:28:17:5e:a0:29:bf:c8:77:13:f7:f7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 18:d3:70:5a:f9:82:86:bb:0f:c3:08:da:96:36:06:c6:d3:bd:de:ed
Fingerprint (sha256): e1:2c:c6:50:35:be:03:e2:46:db:ca:f2:7a:cb:f4:7e:25:de:82:b7:d1:4a:91:e8:ae:51:3d:ab:df:2c:f4:33
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate tls-it.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for tls-it.com
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
tls-it.com
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Certificate
The complete raw certificate details for tls-it.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE4TCCA8mgAwIBAgISAzrZHyQY3iHcwG7mSA8wSDfhMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAxMjExMDEwMzlaFw0yNDA0MjAxMDEwMzhaMBUxEzARBgNVBAMT CnRscy1pdC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCmoQf4 ssxMsE8F1zxKYu5R5m19EwUnFn8vKKfLUfnSsuv2CVHLTO0Ku1HC6wY9spZlSUoi xOuoLdW3Y+zUXrcURES8dPnAo3tg2cQvBxzElIg/BU9Z4I3ilWaxPa/+nxR7DXC5 9oBMQj8BywTTHH5lxxi3iRkUOjNFEU5R6nhwlfbSIXjfbgDxNjlo2DFf9xchWLLw fFdmTiX6RJ4pNs3mqISMGyfw8/LIMH9d1QAJyXK625Q+XXGaCBRBI1VsJ+DiwPmq QsoHR24SMUKENthrdraXVG6EsteBZAvV6oXqfjMw82fQ8oyQ2oGJEP28PPNL+2nj HAloTGYiTPlLxN1pAgMBAAGjggIMMIICCDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FG5nBdlruFqL+ygXXqApv8h3E/f3MB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYf r52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8u bGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMBUG A1UdEQQOMAyCCnRscy1pdC5jb20wEwYDVR0gBAwwCjAIBgZngQwBAgEwggEEBgor BgEEAdZ5AgQCBIH1BIHyAPAAdwA7U3d1Pi25gE6LMFsG/kA7Z9hPw/THvQANLXJv 4frUFwAAAY0rtyQiAAAEAwBIMEYCIQCLyDho3+wSpCm7AjQ4NjfL/EncUO8aTAWL ErVXVDel+AIhALH03biGY6iDnaFDIRO9axrTOfVLIj6n/tQgRLPe8Fx4AHUAouK/ 1h7eLy8HoNZObTen3GVDsMa1LqLat4r4mm31F9gAAAGNK7ckdgAABAMARjBEAiAP +UoeZ4goiOpQnj24Qo+qtMlH4i7w7zo6gLLYdyGS5wIgT4EFuRG+1RKrEocKj2lt rYjQI6pWKEafuE5mW4XvSwwwDQYJKoZIhvcNAQELBQADggEBACXt66UUjnU1tZ8Z F7ogxEij6AK8VBRpF6SqeqAQJkMXPBhM2gPwFE/euGjovAlvFgZEVGnvNqN0GHeA PN+Bq4kikJ2zVQAvRsRF+VyxFdvvlfiz+WhKGPoQunxEzYUDUgprNs3+4tG1lcj7 s+DyCxJbuFH4NYENr5mDklEJaSnaAwbW7CBNgN6NlKkPtqa8bv/TNjHhmXwRnCHS sRnbB18WXV6Lhhyki4k13FGikHPjwrh388irM122gsiN6dZW28XIdPpr3fbB8qlc WIKG6rbWCWfFUVEQNnDNQeU/rV8VTHJ/AjtlWHtG3mT9617L6jAud7LhgFeo0xVA t+DQdFM= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApqEH+LLMTLBPBdc8SmLu UeZtfRMFJxZ/Lyiny1H50rLr9glRy0ztCrtRwusGPbKWZUlKIsTrqC3Vt2Ps1F63 FEREvHT5wKN7YNnELwccxJSIPwVPWeCN4pVmsT2v/p8Uew1wufaATEI/AcsE0xx+ ZccYt4kZFDozRRFOUep4cJX20iF4324A8TY5aNgxX/cXIViy8HxXZk4l+kSeKTbN 5qiEjBsn8PPyyDB/XdUACclyutuUPl1xmggUQSNVbCfg4sD5qkLKB0duEjFChDbY a3a2l1RuhLLXgWQL1eqF6n4zMPNn0PKMkNqBiRD9vDzzS/tp4xwJaExmIkz5S8Td aQIDAQAB -----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 281361839245120080385829293815766419257313 . . . . . . . . [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 2024-01-21 10:10:39 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-20 10:10:38 +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 'tls-it.com' . . . . . . . . [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 21034966038357771895067375775458244988735754914148861668686896495680232209569007378567413245038160720965497643409416760925383867749612727600365566434641968496398960776706364693822760700984018112716024529682652689698964743832943358539352325025877964265518313024910034572594808224537174988889596591706674586882379101449473671630123234007322696423303118798593188624093134124928902620031256881942689247036165863351391229952609610844127267544878208338431303057907458007547106934391822745373669192565761193307563224577487130865557104641928509962262703203318805162952005850226283196536093533733303329440032849646064096304489 . . . . . . . . . . . . . . . . . . . . [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) 6e6705d96bb85a8bfb28175ea029bfc87713f7f7 . . . . . . . . . . . . . . . . [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 (14 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tls-it.com' . . . . . . . . . . . . . . . . [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) 00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d2bb7242200000403004830460221008bc83868dfec12a429bb0234383637cbfc49dc50ef1a4c058b12b5575437a5f8022100b1f4ddb88663a8839da1432113bd6b1ad339f54b223ea7fed42044b3def05c78007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d2bb72476000004030046304402200ff94a1e67882888ea509e3db8428faab4c947e22ef0ef3a3a80b2d8772192e702204f8105b911bed512ab12870a8f696dad88d023aa5628469fb84e665b85ef4b0c . . . . [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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