www.penguinster.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5f:c5:42:04:98:ea:60:48:53:5e:67:32:26:c4:45:2f:92 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.penguinster.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5f:c5:42:04:98:ea:60:48:53:5e:67:32:26:c4:45:2f:92
Serial Number (int): 293925883352777040701977826963375576657810
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 64:78:1d:0c:54:f1:fe:9c:2a:10:45:1b:6b:55:52:74:d7:5c:3c:ba
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ef:2d:c7:92:a5:7a:ca:5a:a2:83:46:63:14:48:c1:e2:12:a4:97:29
Fingerprint (sha256): cb:ec:22:e5:75:f1:e1:9b:71:1e:44:92:cc:78:3f:1a:5c:a4:08:58:54:07:c5:24:02:ed:8f:26:b6:b2:ad:68

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.penguinster.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.penguinster.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.penguinster.com

Other certificates including the domain name penguinster.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.penguinster.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 293925883352777040701977826963375576657810
 . . . . . . . . [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 2019-10-30 14:14:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-28 14:14:24 +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.penguinster.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 815264979026388717628584779237833398325320356955247999539308381375937797656938662675222059309638680574348708363250565083912904786909012339974441389448061902830910086238112177013457954231662525049532878921284993896622868800930525782227234723724626468810013877955612556430129938183816219614519655238865676500237930832574181424270871083123352229438852870415468140946187386357227914194982256537038990818952601996484433187437366060797209530564476706833098855788798672280845435107837512710330325587812941222087784498565145073472826394381957395696233804020235659968910791282923361790823925127079810551739945586200659333493608168675039892344880113276218886386156908444919347214103023081425817095099055567814150591523559814213647793062961446138021147644099632901901090695388886810717994305002194616754738815855609575093464243861606790730437275287322597526568910620123923430202186439799609138965292612571838886850874615325858410508484644561807727903197619495859252888349967213418316218704458716755242934827017509770949894221276102175985778550480375263362959780900953593416591190166412912259684131445684073576417533701077731627740312198653952286714075287162613469226596927484083077138810892816639484142591882424243519776054563238135997779543199
 . . . . . . . . . . . . . . . . . . . . [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)
							64781d0c54f1fe9c2a10451b6b555274d75c3cba
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.penguinster.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)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e1d3b6d82000004030047304502206d1ff3eb4b9f009a8f3eda20ca12451a7aa2831d1d6e432ac6b61feaa24c91be022100eecca2aab4aa54ab1faf320fb31ad22505dbb026b032aee20aa7f1fa158ab68c00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e1d3b6dd10000040300483046022100cdf64a8a87878c9d71ff63139bf587d20de8ed8bf0fc70aa8a5ef8b1ff5b58bc022100b7dcf6cb1fde83fdbf796e3d2000d98730a81d08a452b116cc644b4dc6793a92
 . . . . [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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