yjk.im
Issued by R3
About this certificate
This digital certificate with serial number 03:8c:10:44:27:1e:67:2b:dd:fb:c7:14:10:68:a6:f5:01:3e 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=yjk.im
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:8c:10:44:27:1e:67:2b:dd:fb:c7:14:10:68:a6:f5:01:3eSerial Number (int): 308998010681753813252941733753090127233342
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 65:6d:64:eb:7d:87:ec:ef:09:1c:90:2f:a4:60:78:1d:6a:e0:62:cb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 24:75:ba:b9:15:35:35:f5:7c:fa:a3:80:28:a2:06:ae:10:63:23:e7
Fingerprint (sha256): 04:ee:d6:c0:90:75:4a:e1:30:ce:6f:5a:39:f5:51:04:a3:db:c9:f8:c3:16:ee:17:d5:cc:65:83:8d:e0:39:27
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate yjk.im
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for yjk.im
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
yjk.im
Other certificates including the domain name yjk.im
(limited to 100 certificates)
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
b.yjk.im
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
tu.yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
git.conn.cc
yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
firebaseapp.com
bunnock.app
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni.cloudflaressl.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
b.yjk.im
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
tu.yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
git.conn.cc
yjk.im
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
sni250994.cloudflaressl.com
firebaseapp.com
firebaseapp.com
yjk.im
firebaseapp.com
firebaseapp.com
bunnock.app
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
firebaseapp.com
sni.cloudflaressl.com
firebaseapp.com
Certificate
The complete raw certificate details for yjk.im in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE2TCCA8GgAwIBAgISA4wQRCceZyvd+8cUEGim9QE+MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA3MjcyMTQ0MzZaFw0yMzEwMjUyMTQ0MzVaMBExDzANBgNVBAMT Bnlqay5pbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL2ukRRlPPhZ HYGZSVoObQFumnKNYGimJYoJ31TEhMzrGi7pET4JsCUgR/I2sR0tlAImlkesJ30u HBz7/P2ZJBMkcuazABAwC6gXe3Sy8kLtu8pRAR652BgV29ieF6cflPVf3y1FlhKR 7ESlCIiXhx79DFTu0mUcwO9BZN+BsNkSiWc7+z40IL/hdnXPlDbiUQ9sA1Pof9OG fzknf+kvpKS9cp+PKd/0mV51peJ+3PDWVZgX9iiA8TK+iNz60eVth9vrz0WJlAdm fZzo2hDMRXVcNPjcUg6HJt4rhKWXcy6TfkfL2Eog8vm9INSkQqjLc6YYSVV5cHDH geO/MLjc330CAwEAAaOCAggwggIEMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUZW1k 632H7O8JHJAvpGB4HWrgYsswHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsU wsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5j ci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wEQYDVR0R BAowCIIGeWprLmltMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBAYKKwYBBAHWeQIE AgSB9QSB8gDwAHYAtz77JN+cTbp18jnFulj0bF38Qs96nzXEnh0JgSXttJkAAAGJ mYaCLAAABAMARzBFAiA1G5on4IrybfShaky3CZ55Et2Zlu9UQl5u2s+b0k9ulgIh AJyfWD/DuAD1j+07hUcbvURDqZI7qI1Hj6FEpDpONbaXAHYAejKMVNi3LbYg6jjg Uh7phBZwMhOFTTvSK8E6V6NS61IAAAGJmYaCRgAABAMARzBFAiBGtEIWn6FM/TlR 38cR5v9KCo/TNhQU8bf8mCEo/d3rewIhANkODvsznEDJinUNxSsOnlpBqPugQZeM bq81yxlQVXJcMA0GCSqGSIb3DQEBCwUAA4IBAQAG7rcXYJyaqmjz0idf2ICEfTC+ 3duOaMIrs4cbmeSEW0ncSvuEQj+v5L2wtF+bvUKMtBHo1hLRfOUA3RbpWbEhnRA5 oRT+9Cfh4VCTkotq5danNhbBLiEhUXQP4TiTkh7EsESlkNA/QlXeB238ObXdMNDp xI3X46aWmYo40JCIRE+oKq8RYEPfAimS8doudINaFXECD/+srDYBmHeG3T2Ml9zu lYNH3B5KfhOYG/uwgP7HNKfg3vh3cD25f4rn6yQcBF6VMJ5TnEaaQhdhSvSfDB77 uqv9ZTnuIUETCI1btlBe4g9W9pm+1ypkKV800iiuNJITphkZX+YAu1Q9cE32 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAva6RFGU8+FkdgZlJWg5t AW6aco1gaKYlignfVMSEzOsaLukRPgmwJSBH8jaxHS2UAiaWR6wnfS4cHPv8/Zkk EyRy5rMAEDALqBd7dLLyQu27ylEBHrnYGBXb2J4Xpx+U9V/fLUWWEpHsRKUIiJeH Hv0MVO7SZRzA70Fk34Gw2RKJZzv7PjQgv+F2dc+UNuJRD2wDU+h/04Z/OSd/6S+k pL1yn48p3/SZXnWl4n7c8NZVmBf2KIDxMr6I3PrR5W2H2+vPRYmUB2Z9nOjaEMxF dVw0+NxSDocm3iuEpZdzLpN+R8vYSiDy+b0g1KRCqMtzphhJVXlwcMeB478wuNzf fQIDAQAB -----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 308998010681753813252941733753090127233342 . . . . . . . . [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 2023-07-27 21:44:36 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-25 21:44:35 +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 'yjk.im' . . . . . . . . [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 23945121695286818232733877499019894029993351211146419196060775130052008414796250232643009569540915062484763646111170374081667070262269245225897282373393162083328266110386240741136233768557722972898793707794859643837580605329796257666341517271815953597952160994845420589249991989821465869723921755777949479146107483145526902406986827387750632390934263581270116744390364872949983496538509682262925095519077412839331724119528806569180792036665400299521369760580363480729569900778328325694847272180056073847454491914652466631514015513872805609207258059061513490046041047539467076384330776160761475147330336641515450589053 . . . . . . . . . . . . . . . . . . . . [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) 656d64eb7d87ecef091c902fa460781d6ae062cb . . . . . . . . . . . . . . . . [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 (10 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yjk.im' . . . . . . . . . . . . . . . . [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) 00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001899986822c00000403004730450220351b9a27e08af26df4a16a4cb7099e7912dd9996ef54425e6edacf9bd24f6e960221009c9f583fc3b800f58fed3b85471bbd4443a9923ba88d478fa144a43a4e35b6970076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189998682460000040300473045022046b442169fa14cfd3951dfc711e6ff4a0a8fd3361414f1b7fc982128fdddeb7b022100d90e0efb339c40c98a750dc52b0e9e5a41a8fba041978c6eaf35cb195055725c . . . . [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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