yunfei-cf-test.uber.com
Issued by E1
About this certificate
This digital certificate with serial number 03:14:5a:ee:d6:73:1a:6e:5c:88:45:90:f4:aa:d8:4a:4e:c1 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=yunfei-cf-test.uber.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:14:5a:ee:d6:73:1a:6e:5c:88:45:90:f4:aa:d8:4a:4e:c1Serial Number (int): 268263375769527556826340992072182059912897
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b9:e3:f6:26:22:04:76:a0:1d:e4:1a:bf:b1:0c:09:22:4e:09:05:43
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac
Fingerprint (sha1): 05:29:f3:ac:9b:1c:0a:7f:19:50:ad:9a:52:53:07:66:a7:1f:6c:d5
Fingerprint (sha256): 0b:ae:7d:e9:a8:23:e7:67:8e:a8:1b:1a:26:46:14:c3:30:0d:2c:5a:4c:46:fe:37:fa:4e:f4:3e:20:61:16:f7
Issuing Certificate URL: http://e1.i.lencr.org/
Revocation information
OCSP Server: http://e1.o.lencr.orgCheck the revocation status for certificate yunfei-cf-test.uber.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for yunfei-cf-test.uber.com
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
ECDSA with SHA384
Key Usage
Digital Signature
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
*.yunfei-cf-test.uber.com
yunfei-cf-test.uber.com
yunfei-cf-test.uber.com
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www.blog.uber.com
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bizblog.uber.com
eng.uber.com
transparencyreport.uber.com
businesses.uber.com
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yunfei-cf-test.uber.com
lobby-cms.uber.com
uberblogapi.10upcdn.com
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freighttableau.uber.com
uberblogapi.10upcdn.com
newsroomapi.uber.com
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newsroomapi.uber.com
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groove.uber.com
tdottest1.uber.com
love.uber.com
newsroomapi.uber.com
www.blog.uber.com
newsroomapi.uber.com
bizblog.uber.com
eng.uber.com
base.uber.com
people.uber.com
accessibility.uber.com
uberblogapi.10upcdn.com
base.uber.com
transparencyreport.uber.com
uber.com
z.uber.com
www.blog.uber.com
amex.sandbox.tokenizer.uber.com
love.uber.com
safetyreport.uber.com
an-settlement.uber.com
contact.uber.com
*.cfe.uber.com
chef-testing.cpe.uber.com
view.et.uber.com
photo.uber.com
f.uber.com
z.uber.com
tdottest1.uber.com
f.uber.com
love.uber.com
groove.ehlinks.com
blogapi.uber.com
newsroom.uber.com
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newsroom.uber.com
www.blog.uber.com
sli.uber.com
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love.uber.com
uberblogapi.10upcdn.com
akamai-san8.exacttarget.com
yunfei-cf-test.uber.com
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t.uber.com
click.et.uber.com
base.uber.com
tdottest1.uber.com
bizblog.uber.com
t.uber.com
photo.uber.com
transparencyreport.uber.com
newsroom.uber.com
uberblogapi.10upcdn.com
documents.uber.com
uber.com
t.uber.com
love.uber.com
uberblogapi.10upcdn.com
jquery.uber.com
blog.uber.com
eng.uber.com
tbs-static.uber.com
eng.uber.com
businesses.uber.com
base.uber.com
bizblog.uber.com
engineering.uber.com
*.clearpass.corp.uber.com
www.blog.uber.com
z.uber.com
bizblog.uber.com
eng.uber.com
transparencyreport.uber.com
businesses.uber.com
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newsroom.uber.com
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Certificate
The complete raw certificate details for yunfei-cf-test.uber.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIDqTCCAy+gAwIBAgISAxRa7tZzGm5ciEWQ9KrYSk7BMAoGCCqGSM49BAMDMDIx CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQDEwJF MTAeFw0yMzEyMDcwODAwMzdaFw0yNDAzMDYwODAwMzZaMCIxIDAeBgNVBAMTF3l1 bmZlaS1jZi10ZXN0LnViZXIuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE /q9HATyQmxgoEkUWCwQD9GKDME/w2IWbDYIAENwy8EenDhDprlPML6Vy9OjBaiw1 NdqzVAGRo/dIx10++wrfMKOCAjMwggIvMA4GA1UdDwEB/wQEAwIHgDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU ueP2JiIEdqAd5Bq/sQwJIk4JBUMwHwYDVR0jBBgwFoAUWvPtK/w2wjd5uVIw6lRv z1XLLqwwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vZTEuby5s ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9lMS5pLmxlbmNyLm9yZy8wPQYD VR0RBDYwNIIZKi55dW5mZWktY2YtdGVzdC51YmVyLmNvbYIXeXVuZmVpLWNmLXRl c3QudWJlci5jb20wEwYDVR0gBAwwCjAIBgZngQwBAgEwggEDBgorBgEEAdZ5AgQC BIH0BIHxAO8AdQBIsONr2qZHNA/lagL6nTDrHFIBy1bdLIHZu7+rOdiEcwAAAYxD ge4AAAAEAwBGMEQCIEIdYOL0dCSDkS9O+LYIR7aydr6zW0wZIE5Oumd7V1BVAiAf CFDE96vFwRA+E4kmIFVvB0F4m7qlJqTC88fNIBd25wB2AHb/iD8KtvuVUcJhzPWH ujS0pM27KdxoQgqf5mdMWjp0AAABjEOB7lEAAAQDAEcwRQIhAM5s87ely27g2WEB r+FsGzct0hs6yIUjCfe++tR1vk5BAiAy4DEeAgAFZKiNcllVuyTV8I29cO5dYxHY 9PIqt00v0jAKBggqhkjOPQQDAwNoADBlAjEAqOBCxYSRJkA3LzQe1psjYaESlWpX mWlhH87axisNSw921bgQ0koG0nVn/8S7dqiVAjAUjB7amPreX0buQPKTHTki+iVD 3CVjNf8MR56SFerlxuOSgkbyVRNIz0Iet6B6DlE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/q9HATyQmxgoEkUWCwQD9GKDME/w 2IWbDYIAENwy8EenDhDprlPML6Vy9OjBaiw1NdqzVAGRo/dIx10++wrfMA== -----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 268263375769527556826340992072182059912897 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384) . . . . . . . . [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 'E1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-07 08:00:37 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-06 08:00:36 +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 'yunfei-cf-test.uber.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 0004feaf47013c909b18281245160b0403f46283304ff0d8859b0d820010dc32f047a70e10e9ae53cc2fa572f4e8c16a2c3535dab3540191a3f748c75d3efb0adf30 . . . . . . . . [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 (1 bits) 0780 . . . . . . . . . . . . . . . . [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) b9e3f626220476a01de41abfb10c09224e090543 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac . . . . . . . . . . . . . . . . [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://e1.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://e1.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 (54 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.yunfei-cf-test.uber.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yunfei-cf-test.uber.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c4381ee0000000403004630440220421d60e2f4742483912f4ef8b60847b6b276beb35b4c19204e4eba677b57505502201f0850c4f7abc5c1103e13892620556f0741789bbaa526a4c2f3c7cd201776e700760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c4381ee510000040300473045022100ce6cf3b7a5cb6ee0d96101afe16c1b372dd21b3ac8852309f7befad475be4e41022032e0311e02000564a88d725955bb24d5f08dbd70ee5d6311d8f4f22ab74d2fd2 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384) . . . . [c:0|t:3|false] BIT STRING (824 bits) . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25992398208088491647098612828521174781119241029483401980281971110889324854831982335725439121250881488310869610113173 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 3162525961950386050184819958894722426080620600939797592782487839259749632922093904124943629943240114502717700443729