blog.ciachef.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:96:b4:da:3d:8f:98:10:1f:8e:c8:c7:7b:8c:12:45:6b:44 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=blog.ciachef.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:96:b4:da:3d:8f:98:10:1f:8e:c8:c7:7b:8c:12:45:6b:44Serial Number (int): 312619607041981629184548515258180766624580
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 55:55:c1:1a:d7:5f:ec:54:d9:8d:7b:ac:ca:57:fe:71:ea:82:a3:ed
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c1:8a:84:d4:f5:b0:8d:5a:68:09:6b:ba:e2:2e:4c:17:9b:c1:dc:7e
Fingerprint (sha256): cb:a0:dc:9c:80:79:46:04:e2:85:ac:b1:36:c5:5b:a1:89:8e:3e:ca:b6:b0:21:5f:60:a8:6b:19:f0:d4:3a:44
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 blog.ciachef.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for blog.ciachef.edu
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
blog.ciachef.edu
Other certificates including the domain name ciachef.edu
(limited to 100 certificates)
blog.ciachef.edu
info.ciachef.edu
info.ciachef.edu
blog.ciachef.edu
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info.ciachef.edu
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SECURE.CIACHEF.EDU
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SECURE.CIACHEF.EDU
*.ciachef.edu
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blog.ciachef.edu
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blog.ciachef.edu
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SECURE.CIACHEF.EDU
blog.ciachef.edu
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SECURE.CIACHEF.EDU
*.ciachef.edu
learn.ciachef.edu
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learn.ciachef.edu
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learn.ciachef.edu
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info.ciachef.edu
www.ciachef.edu
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www.ciachef.edu
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info.ciachef.edu
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blog.ciachef.edu
info.ciachef.edu
www.ciachef.edu
*.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
*.ciachef.edu
info.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
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blog.ciachef.edu
info.ciachef.edu
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blog.ciachef.edu
Certificate
The complete raw certificate details for blog.ciachef.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFBDCCA+ygAwIBAgISA5a02j2PmBAfjsjHe4wSRWtEMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA5MTQxMzUwMDBaFw0x NjEyMTMxMzUwMDBaMBsxGTAXBgNVBAMTEGJsb2cuY2lhY2hlZi5lZHUwggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCuzxyvz7/pmKGa6XGkXrMNe5Bxt7XH 6oxHgc/cq6HXWIHLDey6oQl2iX8BpZbM9QKcUBGS5cx69QaXo/0aPzigow4doGEb 80O8sQZSOKYnAwb9KjxO6UOAUQixAW7Wi17qe5EVBVwPUpljF9hpa7sljpOsaX7b CJfMuIlSR09NCpg2j608TJ+W+NHQBwLDYBWHWQKlqNxXMYvdd6q4ZJcW6pK7LsE6 yUgABHo29R9WI4+47/TvOIIubatjSVb4+2wPGOVLy0w2LbqsmsAB1bEGdOpOF3Wb i0LckIeTqgRcCi40AAzB7n6qKXGIsMVR5McmTLChQV7JdTo1CD6XWkxVAgMBAAGj ggIRMIICDTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFVVwRrXX+xU2Y17rMpX/nHq gqPtMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMHAGCCsGAQUFBwEB BGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMBsGA1UdEQQUMBKCEGJsb2cuY2lhY2hlZi5lZHUwgf4GA1UdIASB9jCB 8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENl cnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFy dGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRl IFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0 b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAVms6J8Jzi9h2RqUw51LqtCWyupwexLl6 n6CIWyMCVX1OUetBm2ts3ZVTk10CRp5mXsrZLt3IofRr1suqQRobykz6oYlm/uKc HJyqyx9LoRuJaL2XnWP3e7kI+eg6YtPn8DN54NboM/xAmDMYgX4XgivtwAVmRZmf odoVtghpBdaY9E5KLoQJ1C7nS8E+XSoZOAksnvG2nCky+q/tzYECRd2P2KUN2vsO 68lr0GItPljuGB8CowFfARj5PhBdsjuOXb6VD9Z/hQnP+74UKB/sxhhMIvTSU1+u pgeQ1fwxShIkym494LJU3DgAl2ByJtAkrtmj87jnWC8ggHiaqY4p8g== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArs8cr8+/6ZihmulxpF6z DXuQcbe1x+qMR4HP3Kuh11iByw3suqEJdol/AaWWzPUCnFARkuXMevUGl6P9Gj84 oKMOHaBhG/NDvLEGUjimJwMG/So8TulDgFEIsQFu1ote6nuRFQVcD1KZYxfYaWu7 JY6TrGl+2wiXzLiJUkdPTQqYNo+tPEyflvjR0AcCw2AVh1kCpajcVzGL3XequGSX FuqSuy7BOslIAAR6NvUfViOPuO/07ziCLm2rY0lW+PtsDxjlS8tMNi26rJrAAdWx BnTqThd1m4tC3JCHk6oEXAouNAAMwe5+qilxiLDFUeTHJkywoUFeyXU6NQg+l1pM VQIDAQAB -----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 312619607041981629184548515258180766624580 . . . . . . . . [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 2016-09-14 13:50:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-13 13:50:00 +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 'blog.ciachef.edu' . . . . . . . . [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 22067595826197367646620107801715112901891372833930150093227847633891702739432629320346193165287541883527352204221690810372539931924265116861379342936804417137043408924555958543504683782573295845845114241893539901504758651341626966594966618017677193252798031709114352213228002470014950571702239966131795449531769969505224379962562285325986671138840068898989601010993846230050318742765098829539235493279646814881756626622636434696873954532752140622028221292603826750543629283402272157383131342762034794570799661957796348636353311772234829176713166352619865270987051688262149790435951043134601496979716804164610902608981 . . . . . . . . . . . . . . . . . . . . [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) 5555c11ad75fec54d98d7bacca57fe71ea82a3ed . . . . . . . . . . . . . . . . [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 (20 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.ciachef.edu' . . . . . . . . . . . . . . . . [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) 00566b3a27c2738bd87646a530e752eab425b2ba9c1ec4b97a9fa0885b2302557d4e51eb419b6b6cdd9553935d02469e665ecad92eddc8a1f46bd6cbaa411a1bca4cfaa18966fee29c1c9caacb1f4ba11b8968bd979d63f77bb908f9e83a62d3e7f03379e0d6e833fc40983318817e17822bedc0056645999fa1da15b6086905d698f44e4a2e8409d42ee74bc13e5d2a1938092c9ef1b69c2932faafedcd810245dd8fd8a50ddafb0eebc96bd0622d3e58ee181f02a3015f0118f93e105db23b8e5dbe950fd67f8509cffbbe14281fecc6184c22f4d2535faea60790d5fc314a1224ca6e3de0b254dc380097607226d024aed9a3f3b8e7582f2080789aa98e29f2