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:92Serial 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.orgCheck 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----- MIIGXzCCBUegAwIBAgISA1/FQgSY6mBIU15nMibERS+SMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMzAxNDE0MjRaFw0y MDAxMjgxNDE0MjRaMB4xHDAaBgNVBAMTE3d3dy5wZW5ndWluc3Rlci5jb20wggIi MA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDH1lgQaCdboIwy8PRK9snUU8io 9NXjzrFwUfFj1DyfoCDNOpElhSwfYX8feGexAsVtc2cPNoOSq6BgZ9W3N5nByyEl H6njD3Z6KudFVWbZ9O+0jqyI/2bC7rkmJYq9MU15Dk0wua/CzFlEeHfaORWkoSK6 omLYmN319HUg/aLVMqFWQN/56JstX0eNjTcU1CTJy0KsvgrDLoG6LOCWISj8NDYw yCqpqMCHBjshgXrjg9qnxZdPz9jRLBqRkjKArjrU5umUo4T4rYSUUsKiqWEF5OVq nPemziZe44TR7v6r9ytsb7nq6ki9m4XxJK+1OifW7OyEGIqXQQb/4TzpCl8svusu m7CXSVsjfF7FA6dIXNnGw7+MT8GFrFBsN5+bvh9ddHF7by1U7oKTMtewoIRjL9i5 N2fgip1fUi1Z8YDRlX7g3jWC1XqqSnw7KocO96hXb/j1pkB4jHJLu4dVF/yDE49Q b6iNWvJEGgJJvZluumcxAzkzef8sB3UeXNZhqk1vLXaH4MaoqxbIQEqC/18+rvhA p8DEtXr+z7X9WYApJKxpJ84wjHOZVVgjEpD51QO3DIVgNj+k/Rw6fp/Miacu3Mqj 4/iKNxomeeMg6Hc4H3bCmT/TIBIOxCOY6U60Uge50bb2waW9pztjkCDqyVVFzqyl YsAnm0REZvSY2o4EnwIDAQABo4ICaTCCAmUwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBRkeB0MVPH+nCoQRRtrVVJ011w8ujAfBgNVHSMEGDAWgBSoSmpjBH3duubRObem RWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3Nw LmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0 LmludC14My5sZXRzZW5jcnlwdC5vcmcvMB4GA1UdEQQXMBWCE3d3dy5wZW5ndWlu c3Rlci5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEE AdZ5AgQCBIH2BIHzAPEAdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6y cwAAAW4dO22CAAAEAwBHMEUCIG0f8+tLnwCajz7aIMoSRRp6ooMdHW5DKsa2H+qi TJG+AiEA7syiqrSqVKsfrzIPsxrSJQXbsCawMq7iCqfx+hWKtowAdwAHt1wb5X1o //Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW4dO23RAAAEAwBIMEYCIQDN9kqK h4eMnXH/YxOb9YfSDejti/D8cKqKXvix/1tYvAIhALfc9ssf3oP9v3luPSAA2Ycw qB0IpFKxFsxkS03GeTqSMA0GCSqGSIb3DQEBCwUAA4IBAQCLexm5f3SDH3b0Dn4n KrhbdKsJJz40Ndibnn/HCz8Ns+4qxRxb3kuJNDc1u2Uxho8GBUwei9M2JitqShqV +ZWk2BzDksvKnkG+OWQ40S6C4G8mijH7VQeWGkoycye6g2QTAeixBEaaN0KYD5Lv 1Cj7OmmdsDcWATYR90y/P4cx+jitrBP+5mmvb0QAR3dHywQggiizWJ1RRYPXM/5k 8JIpQlwr4EgLAM/SCtC7eUFQWz8UqhHZ3c3ikQeDLZ5qkfQfbRhNea4T8gPogVI4 lf7N53qGc1EPS5j79+twJxQJotyalddS29RoKT4Lx4HGnWzmO+Lrtivf3HJk9XQ2 vjw9 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx9ZYEGgnW6CMMvD0SvbJ 1FPIqPTV486xcFHxY9Q8n6AgzTqRJYUsH2F/H3hnsQLFbXNnDzaDkqugYGfVtzeZ wcshJR+p4w92eirnRVVm2fTvtI6siP9mwu65JiWKvTFNeQ5NMLmvwsxZRHh32jkV pKEiuqJi2Jjd9fR1IP2i1TKhVkDf+eibLV9HjY03FNQkyctCrL4Kwy6BuizgliEo /DQ2MMgqqajAhwY7IYF644Pap8WXT8/Y0SwakZIygK461ObplKOE+K2ElFLCoqlh BeTlapz3ps4mXuOE0e7+q/crbG+56upIvZuF8SSvtTon1uzshBiKl0EG/+E86Qpf LL7rLpuwl0lbI3xexQOnSFzZxsO/jE/BhaxQbDefm74fXXRxe28tVO6CkzLXsKCE Yy/YuTdn4IqdX1ItWfGA0ZV+4N41gtV6qkp8OyqHDveoV2/49aZAeIxyS7uHVRf8 gxOPUG+ojVryRBoCSb2ZbrpnMQM5M3n/LAd1HlzWYapNby12h+DGqKsWyEBKgv9f Pq74QKfAxLV6/s+1/VmAKSSsaSfOMIxzmVVYIxKQ+dUDtwyFYDY/pP0cOn6fzImn LtzKo+P4ijcaJnnjIOh3OB92wpk/0yASDsQjmOlOtFIHudG29sGlvac7Y5Ag6slV Rc6spWLAJ5tERGb0mNqOBJ8CAwEAAQ== -----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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