tls-it.com
Issued by R3
About this certificate
This digital certificate with serial number 04:8e:e2:f6:a1:dc:db:0e:40:fe:ef:66:11:d2:1a:e0:4c:21 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): 04:8e:e2:f6:a1:dc:db:0e:40:fe:ef:66:11:d2:1a:e0:4c:21Serial Number (int): 397070925944854775343271291257504680397857
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 40:ec:7b:1c:44:ff:6a:76:a5:79:98:3e:e8:37:f9:e3:a9:63:b7:a9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 1a:30:50:2b:42:6c:40:6a:b6:9d:f1:9c:36:9e:7a:95:6a:c8:1a:d0
Fingerprint (sha256): a1:a1:c9:b5:9f:7b:9b:b6:92:a9:d5:b8:af:b8:49:0f:c9:3e:70:e6:12:11:88:1f:2f:14:1d:fa:3a:ba:84:e4
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----- MIIE4jCCA8qgAwIBAgISBI7i9qHc2w5A/u9mEdIa4EwhMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzExMDQwOTExMzlaFw0yNDAyMDIwOTExMzhaMBUxEzARBgNVBAMT CnRscy1pdC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDgPEvg qmB5NetlSV2qv2AnAs/+L62x+m17EMozjthtCQGuJkZKMaglmNwBRvXGr54FEst1 SFFp+ALKWVEmZSW6A5MjSYQX+9w1Ha/q41kOdx1pAeDcONdsGkI+xGG7CtImFdQF 97RRVM6e3jkY2HRNETs7tbvJimNlUTo9RE6Pdh8DxZSrySLKb/P/SDtmMrhuzEGo +TWaxsIpHgKue1keGI9mgHaquRZhbV7xgyINe6ms5GhDKeigk9MLZxNv4lP5DDyc QGynhp3n8MTa8XkINlhtc7/si/GKONCeZZiJmc5HeezRSTB1OfsuVif9yMmxGD79 PiE+ft27SU7t8U8ZAgMBAAGjggINMIICCTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FEDsexxE/2p2pXmYPug3+eOpY7epMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYf r52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8u bGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMBUG A1UdEQQOMAyCCnRscy1pdC5jb20wEwYDVR0gBAwwCjAIBgZngQwBAgEwggEFBgor BgEEAdZ5AgQCBIH2BIHzAPEAdwBIsONr2qZHNA/lagL6nTDrHFIBy1bdLIHZu7+r OdiEcwAAAYuZ0RkXAAAEAwBIMEYCIQDPUlNbBEMMqpiqRv7hXxKOUFVhJlsDwOon EVhOF2dt+QIhAOqPHYleM+tSEUe1xblIz2AK157U7hKGR5cvb1wfa7g6AHYAdv+I Pwq2+5VRwmHM9Ye6NLSkzbsp3GhCCp/mZ0xaOnQAAAGLmdEZSgAABAMARzBFAiBu px2+CS9t0fhmSLgpeFwlIwBlhO1jvfFP+yQSIY4UCwIhAJvwSf2z8P7ugId8rLlY Z3N2ZkCYkIKnjHl5BuchdGgfMA0GCSqGSIb3DQEBCwUAA4IBAQBTSFYmD3Amss2T nvd95U09hwZoALnTZ7lXVCl1YWTUQZmuiXUILgcVULZ47U9g1KodyREUM2XkWIAh qnjGoR32OoJlofK6zwmonAXXvsK4KOOWUuEF0on8+8V7fQpf/v4oieSAdJyPZ7oB 3zu3t/nZqr2e0RLdM4G8gmcsTSDhPKVnJfddeEw3RgIPIaItJ+Wg3nnlouP/JK5p BZTvwoLH9LrRa8r2AhumkNRyf0egJOOcb1JNUI7grPnRbPavkM8YOdlDASnu3qEw 2sSwuP7DUjIOe3gMsuH/piTaj87dub9+QTrVrOQ5hlZQb317fpHrPCl6OIE6Xojs yYcGBEme -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4DxL4KpgeTXrZUldqr9g JwLP/i+tsfptexDKM47YbQkBriZGSjGoJZjcAUb1xq+eBRLLdUhRafgCyllRJmUl ugOTI0mEF/vcNR2v6uNZDncdaQHg3DjXbBpCPsRhuwrSJhXUBfe0UVTOnt45GNh0 TRE7O7W7yYpjZVE6PUROj3YfA8WUq8kiym/z/0g7ZjK4bsxBqPk1msbCKR4CrntZ HhiPZoB2qrkWYW1e8YMiDXuprORoQynooJPTC2cTb+JT+Qw8nEBsp4ad5/DE2vF5 CDZYbXO/7IvxijjQnmWYiZnOR3ns0UkwdTn7LlYn/cjJsRg+/T4hPn7du0lO7fFP GQIDAQAB -----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 397070925944854775343271291257504680397857 . . . . . . . . [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 2023-11-04 09:11:39 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-02 09:11:38 +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 28307113573869532626465647316406187001109022508590050745860271676106788249074896146174027389417005176110050684562648315657607375544554311703147326706333290649405590835096703050762725148310360096075899108272303717324872700419410245874988546677527777740270273865339869224411222034563512416379930459461123793962828312059221887954109093175885521683535164433214060747611238016255681834952882431842618140581532874558062031583473342132339066299481487697452040372495855085435780488869549638053063273575363227941503595396052865909675172351885505281774605282674474451599157567150929754097226363033008372501204717679497769471769 . . . . . . . . . . . . . . . . . . . . [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) 40ec7b1c44ff6a76a579983ee837f9e3a963b7a9 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018b99d119170000040300483046022100cf52535b04430caa98aa46fee15f128e505561265b03c0ea2711584e17676df9022100ea8f1d895e33eb521147b5c5b948cf600ad79ed4ee128647972f6f5c1f6bb83a00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b99d1194a000004030047304502206ea71dbe092f6dd1f86648b829785c2523006584ed63bdf14ffb2412218e140b0221009bf049fdb3f0feee80877cacb9586773766640989082a78c797906e72174681f . . . . [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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