28921.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:83:2f:fd:03:75:29:c0:c5:aa:45:f1:ba:5f:ad:7e:13:01 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=28921.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:83:2f:fd:03:75:29:c0:c5:aa:45:f1:ba:5f:ad:7e:13:01Serial Number (int): 305977635298960624768721432787698577183489
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 63:d4:59:02:fa:c1:b2:15:64:1b:8d:6c:43:0c:a4:a8:10:65:15:28
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bd:c5:57:86:25:34:b6:48:85:32:9f:da:f7:1e:e2:71:5b:d0:8d:8b
Fingerprint (sha256): 1b:0f:88:a2:b4:54:81:16:94:79:19:7b:0c:42:88:0b:ca:bc:ef:4c:15:61:2c:67:e6:30:49:b6:44:c2:be:5c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 28921.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 28921.com
Public Key Algorithm
RSA
Key Size
4096
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
28921.com
Other certificates including the domain name 28921.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for 28921.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSjCCBTKgAwIBAgISA4Mv/QN1KcDFqkXxul+tfhMBMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMjIwNzA3MDZaFw0y MDA2MjAwNzA3MDZaMBQxEjAQBgNVBAMTCTI4OTIxLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBALnRi0UW0gVdKUZcPJr0fzOZMnyp7COWOOxzkjwE 6mByJBeI6E4rc4knxz1jRuYpOccvvbui88ewGjh4OXVUoexz7C8DrgHRaa5Yj0w0 etHY34RBjp0Y7LiIIBx6s+lDzqu1r5lbcero6IBhMxLc+YBNHs9eaGYGDDDvWl3e yBpZnykUbJ9b2+0Z6kwo7wBV0y/Jp4PnsNgmC8VivBP9Wo1QAPICvZuiXMZPnic8 Ws/1V1TZH/WdCQcgaH6Ciek/x7bwWmmMorjxEhzsfioExI+YvyRDGShN2IZ+OgGn L+uSmiM1kt79igJpMlUU5oRPgi7V4UyWbq5IHKd/NLcRawyWwX1Fm2I8/ijYglO/ y/SuSDh/IrXD+4c8Bu6moZ7M9ebvgu/U8r2rUb6hYvMtToOiMZ79CGRIVSE9hTdc lh01cYXe1x78xU4FHwBG9RTCytgldXnz3Yp1tAxe2fWxShvUhNhZC9B5cezJQ8Mc 68RMZuUk2X01eaNmTZn+u/S+t7GlDIg4jMO+Q1pBRxhKWM33AJmdzF+2DCxo8NNu k5ThgyosObSsryLyR02+av29VXOFRFiC3rZqK+9B6bdxHcGg8Cq1hojf0OzHANUg fUtcCYW66K0hbKuJRFvf/4Xwyk3BTUm0xkkRx3N0odqk3mzL99WzSDj4/C1/lQJZ CMfdAgMBAAGjggJeMIICWjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFGPUWQL6wbIV ZBuNbEMMpKgQZRUoMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJMjg5MjEuY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHUAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFxAUf7SAAABAMARjBEAiA7 vnrYyTS9XKi7dhwy4kVgfNavswhnycSdOGu+XyEuWAIgTg+ZdjfZL7lttA9IVSz7 vAI15qpWdUYDiPPpspeLSR8AdwCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt 74uQXgAAAXEBR/tBAAAEAwBIMEYCIQDsZLLUaOF3gx1KLwuNUIlGHQ4pJLuClyOg sSXJFRUofgIhAIMY1FBi8XM+Ds0VoyGk9GRfdirJUa3g053RLArCgXnXMA0GCSqG SIb3DQEBCwUAA4IBAQAcrkDXn7vDV4losRKbSvfUqg7J/p39JS+pSSjJ7eT3BUJh mivvGp8z2qk2lBPYzjqD5xtw1lK17pxbNyL/p3U8NsRfz5FeZQDFh64fvxJ03LMr FGFBHISCy0CtG7O28uhJF9ZKEpQ8M2RpMO7+5rH+MYrTxxvY97O6mw8DyoM3qCdz BYPsTN4PzUHZJTgmnjL8RMZ8I9/x1h4y/CZrDtIqWRKWuBlzeUZbo6AOsAy93hI8 FY4ClPpS8ReY7lKEorWseMZwCnRc3HyXHTssaNlWpjH1x7qks3goJ9alGYBDoTHg ashwO5MRZ2X0N/3OlfTTUbWapQ24q3bjrUs2Votm -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAudGLRRbSBV0pRlw8mvR/ M5kyfKnsI5Y47HOSPATqYHIkF4joTitziSfHPWNG5ik5xy+9u6Lzx7AaOHg5dVSh 7HPsLwOuAdFprliPTDR60djfhEGOnRjsuIggHHqz6UPOq7WvmVtx6ujogGEzEtz5 gE0ez15oZgYMMO9aXd7IGlmfKRRsn1vb7RnqTCjvAFXTL8mng+ew2CYLxWK8E/1a jVAA8gK9m6Jcxk+eJzxaz/VXVNkf9Z0JByBofoKJ6T/HtvBaaYyiuPESHOx+KgTE j5i/JEMZKE3Yhn46Aacv65KaIzWS3v2KAmkyVRTmhE+CLtXhTJZurkgcp380txFr DJbBfUWbYjz+KNiCU7/L9K5IOH8itcP7hzwG7qahnsz15u+C79TyvatRvqFi8y1O g6Ixnv0IZEhVIT2FN1yWHTVxhd7XHvzFTgUfAEb1FMLK2CV1efPdinW0DF7Z9bFK G9SE2FkL0Hlx7MlDwxzrxExm5STZfTV5o2ZNmf679L63saUMiDiMw75DWkFHGEpY zfcAmZ3MX7YMLGjw026TlOGDKiw5tKyvIvJHTb5q/b1Vc4VEWILetmor70Hpt3Ed waDwKrWGiN/Q7McA1SB9S1wJhbrorSFsq4lEW9//hfDKTcFNSbTGSRHHc3Sh2qTe bMv31bNIOPj8LX+VAlkIx90CAwEAAQ== -----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 305977635298960624768721432787698577183489 . . . . . . . . [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 2020-03-22 07:07:06 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-20 07:07:06 +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 '28921.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 758073469108274092387652618416774616797347343428682167356350073198633622167166659899778161683227865163832729053130536851583407469984224640219227845599670010593968167199489663007455972312603677061917327324325391079797545200350781020156629316037479126659606915689879464376110349635159651193514908046972427852949993058288728559592983900997943072376664406840086393320289337426305059499370138305629753850765993825460509893950925135172602799870710844058620650721271835242040707448101038848531429323488313022295378379567634079932288896676443330295478912655220800281953825790674363493080228552253438136745315807715519138183888622563649567293180083207070880781639613681756733900615384299919471484519159847897744795303847276298186935691357177751714398787162735762710369569733169380722884736520050110054683213277229314962098954128235540157583614445732004913126159011732247879696744818310065185582646738706859723613048524981330548761479092398373025317093973572115253821040491964194495991155762671429889741264722325380815614151449520384038766619721401356212467034833379720837247600504081369217926221583303145292373634360598018061058074471162831120936074203076915107534170540801033915025760962652726174558956025267541037454939145923726350085572573 . . . . . . . . . . . . . . . . . . . . [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) 63d45902fac1b215641b8d6c430ca4a810651528 . . . . . . . . . . . . . . . . [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 (99 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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '28921.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 (69 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001710147fb48000004030046304402203bbe7ad8c934bd5ca8bb761c32e245607cd6afb30867c9c49d386bbe5f212e5802204e0f997637d92fb96db40f48552cfbbc0235e6aa5675460388f3e9b2978b491f007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001710147fb410000040300483046022100ec64b2d468e177831d4a2f0b8d5089461d0e2924bb829723a0b125c91515287e0221008318d45062f1733e0ecd15a321a4f4645f762ac951ade0d39dd12c0ac28179d7 . . . . [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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