www.28911.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2d:cd:ac:16:56:7f:18:40:25:e7:bb:c2:ce:b3:d3:70:00 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=www.28911.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2d:cd:ac:16:56:7f:18:40:25:e7:bb:c2:ce:b3:d3:70:00
Serial Number (int): 276922949573984513709982090058087189934080
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ed:3a:b3:45:c9:a5:fb:6d:3b:a4:5c:75:fd:0b:33:d6:df:4b:7f:6e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fe:97:28:8e:aa:60:8d:b1:06:00:34:9c:7f:a1:88:6b:93:38:fc:0d
Fingerprint (sha256): 57:47:f1:c1:f0:1c:a9:ab:21:07:69:69:d2:29:da:30:a1:53:f5:cc:e1:63:25:1e:70:d8:a5:4f:7e:06:c8:5c

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 www.28911.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.28911.com

Other certificates including the domain name 28911.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 276922949573984513709982090058087189934080
 . . . . . . . . [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 2020-03-15 02:59:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-13 02:59:03 +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 'www.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 798301337760750651816233794765292000742164100901210450784272254168029696330721369024657138086706125674690338900944315161133935855803119794335021741683525758957238795485947966826698755062676308558466262221255202061194418931349540078240285146525472900976035746701752856251546329392440705392866940628963800542769235748977153625027430009609653989124194523142472600942924605849198751084823406089691664411373188298420077800902618657799002975169028190851391261766379470110927726101423282495299259887473195098163306939006781515097764857624676264681213544995706765354529682054355042026763490915029683849364957390570717526699933717454851192120605680055402736435079694650850700887871535142046367282461272794206700178241965570295566475212684756094006626151136962512930755308401973528180505343865029148694067131350961692590498284012839323046558925763961453143449567320951311677174845414045881562552130532306548234653205950778140550578835159169437852204977967196046508497693380665710664056462117640397920819751165876046219425660197484146069450326828568928324150876317713035279541579112205549894031377010798798908644146527900602870162906306925519333661137591585492081194988240936358910166421012351452667595175641382608061024985131521656601595857609
 . . . . . . . . . . . . . . . . . . . . [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)
							ed3ab345c9a5fb6d3ba45c75fd0b33d6df4b7f6e
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170dc585e2900000403004730450221009eae8b3b4a3ba919f7af0114ad4d7f9b626aba8b087ea452c679b29b0c11ac47022054904173cadea71400a90b37f1c4582db6c43359edc283a80b55aeca394084ec007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170dc585e1c000004030047304502205316cafd05c09b37fc9e060db3a7624d47bac9521812b256669883a60d66d39902210097118a9440c8ea1dad1cffe143fc7f01494f78a97da6118ba8674fab057859b9
 . . . . [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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