28911.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4e:b6:e8:69:39:ed:0d:ef:f5:ec:9c:6d:0c:ac:13:94:6a 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=28911.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4e:b6:e8:69:39:ed:0d:ef:f5:ec:9c:6d:0c:ac:13:94:6a
Serial Number (int): 288122008657460353302177096702250301232234
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:37:49:d6:84:d1:aa:52:c8:e8:1c:59:ce:39:78:13:db:8c:b0:68
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 79:df:74:e7:d4:c5:1a:31:e4:1b:55:e0:5f:09:2f:76:34:1b:bb:6c
Fingerprint (sha256): 4d:52:cc:97:be:75:d5:0a:a6:92:83:8f:77:57:be:97:ab:a0:60:af:72:6a:61:fb:ac:f1:f2:29:25:a6:04:97

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 28911.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 28911.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

28911.com

Other certificates including the domain name 28911.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for 28911.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 288122008657460353302177096702250301232234
 . . . . . . . . [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 2019-06-25 21:31:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-23 21:31:28 +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 '28911.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 706439404388927783110301360530002527991945882669410066048432046180348355958420094217350995169404696008115908322400881264858411408016137016118303455390191227957172901441596926264681005664175519422713045090789531609622368101208200370636685730070470632741494374285285343558886768067314024769127268620566920820406062829178889951160193425988932875206780165831430791714482364687504501154921143757214230448085956952244124871349963556650875253736152341112930520190630704524781234600934986766815210158494408098642876091956841419429679408775303611381025375030361010326542548963399823081753986893486052764387254485706096817227881512262549200908684036654887426831518708551275391542834462421750034103513655972714109291811467576066042745857463881210959945412789981636758742523127712919201739797596201800325166914802520711946469241513737613832454484250544181453957732060692814226031332924957008643137604154455135915577883474708459109019366437442952178894679871904127467438853221451494592943675402089803581774941671203484181982896814092760049728419421228926552178884981180773108553525120306312910688718012772289761397427891786614945722401032370424783623628958287526841938188815998705755178567034037322979948280626413888659804899299494038766386066231
 . . . . . . . . . . . . . . . . . . . . [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)
							4a3749d684d1aa52c8e81c59ce397813db8cb068
 . . . . . . . . . . . . . . . . [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 '28911.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b90c3f0990000040300473045022100a02cc41a2e0d33da6ff1d8b9d02cff15aa934c6df83c02f214ce88c40e3e3068022060f6a7054761a00892aac1198a9206e561c7774ca45824d4479f71fa28edaf1a00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b90c3f05f0000040300483046022100ebe2cc86a9eadf67bc112c4daad8d5e6ffbb7958ce38d2642c8ab0715c501940022100c0be689043552e881975518ac552b1d1caf6fedfc7887b610e7881f661255857
 . . . . [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)
		000b1df3c70bc9dc6f0e0a774c48fb6522db2f701a486eee8992709d99068d585ba0cf8a7eaa397538d6ebb04839850be6b33a415923755153eea408857d19dc7c20301e1697618772520ac6e731bef91f37c02ae4a41d33653d39664c53b34f043859ced8e3490ebdee331de43b51231a5239fab7fbe2f2b473a513b805e806d21ecce643da8fce190b8de0a91553ca442fa8e32da317018879ac6b94f2eead7b4d7dabeb23eed4cab0d9316ce5b3909126645cfb6bfa41b190b569468dd22813e37eff90add081391d45e8b5b6bd69cbde3df7ec5701426d0c8fa93fe34956b02cce5d3b0a62ad70dfb58479a4533970b835ff2ddad0be3f35cd6a50a30e89d8