guardea.com
Issued by R3
About this certificate
This digital certificate with serial number 04:a5:99:a7:8a:b6:7c:69:27:e4:50:7c:42:c5:28:71:fe:9a was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=guardea.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:a5:99:a7:8a:b6:7c:69:27:e4:50:7c:42:c5:28:71:fe:9aSerial Number (int): 404799976079356854651060139645369811336858
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 9b:ba:11:99:4f:84:9e:5c:72:97:a4:e9:b0:dc:29:10:39:74:9b:36
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): ed:77:d8:74:67:12:70:35:67:be:a6:90:5a:4b:fd:49:d1:19:1c:a0
Fingerprint (sha256): 6f:68:36:6b:87:80:03:8b:5e:f1:8f:f8:ef:93:b7:d7:8c:b3:c5:59:a0:d6:8e:9d:65:df:70:45:2b:44:67:9e
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate guardea.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for guardea.com
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
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
guardea.com
www.guardea.com
www.guardea.com
Other certificates including the domain name guardea.com
(limited to 100 certificates)
guardea.com
guardea.com
guardea.com
guardea.com
community.guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
recrutements.guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
recrutements.guardea.com
recrutements.guardea.com
job.twin-gmbh.de
guardea.com
guardea.com
guardea.com
recrutements.guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
community.guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
recrutements.guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
recrutements.guardea.com
recrutements.guardea.com
job.twin-gmbh.de
guardea.com
guardea.com
guardea.com
recrutements.guardea.com
guardea.com
guardea.com
guardea.com
guardea.com
Certificate
The complete raw certificate details for guardea.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEKTCCAxGgAwIBAgISBKWZp4q2fGkn5FB8QsUocf6aMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMDYxMzQzMjRaFw0yNDAzMDUxMzQzMjNaMBYxFDASBgNVBAMT C2d1YXJkZWEuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEtjevdESz7ldz ybViCg34ii92pfwe1SRytPySnzLMejNNyKufRdnQ2UYylAf0ZLsuysfLxCz8bI3l CpgJtqmGLaOCAh4wggIaMA4GA1UdDwEB/wQEAwIHgDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUm7oRmU+Enlxy l6TpsNwpEDl0mzYwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYI KwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5jci5vcmcw IgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wJwYDVR0RBCAwHoIL Z3VhcmRlYS5jb22CD3d3dy5ndWFyZGVhLmNvbTATBgNVHSAEDDAKMAgGBmeBDAEC ATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AEiw42vapkc0D+VqAvqdMOscUgHL Vt0sgdm7v6s52IRzAAABjD+VZFwAAAQDAEcwRQIhAIuBs2f+OZ4k9PAwmVEDYTcZ 0EDfJdk78yuzC5013mYfAiB9xOwXp2uClWndVzBqASX1b3pt7SPr5TcaQNCxph/i VgB2ACnQOhu2dKpxHNMDW2VXwU+Kp4tP6DiUSeykU/lEvSRoAAABjD+VZSQAAAQD AEcwRQIgejkvj6h/M6ucc+eqoLP1t0rijgxMXV565E6BhhaCXwACIQDH+8VCG7AB +smT2kMXlBO6OxzGgSH0QumxQks+kY+l9DANBgkqhkiG9w0BAQsFAAOCAQEAYbq2 nUowWANxUQak2CwOyhXOGRM4nlcsVMUmsiE5uvzDBx2sqGRX7CIMsIFCsNZxiZZ3 mAJdx/BIgQR8F9eg0Zvjr8ZifD1BXVvVz09h3EMVKo6rGTSJ6umUFCX0wXMNyVE1 kLTT+RitjH7bwLb/b4zAkAaTX0GuYcO7vmByo0FfiOS957jgCpSsmlV9FBdjTLvn gN0puL6rXxL76bWOUkODIu1SPtXwwncJMFty9tHLDkYdo+Nogie/w4liAQWXooj/ EEDXbB8VMcEIDEMsDVK9NPZDqdoquTxcJiWpAFdIqCzEZJQh6s1ZgYzRY9aqhbOE IHYFX6sbAy1iMS0mRQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEtjevdESz7ldzybViCg34ii92pfwe 1SRytPySnzLMejNNyKufRdnQ2UYylAf0ZLsuysfLxCz8bI3lCpgJtqmGLQ== -----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 404799976079356854651060139645369811336858 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-06 13:43:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-05 13:43:23 +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 'guardea.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 0004b637af7444b3ee5773c9b5620a0df88a2f76a5fc1ed52472b4fc929f32cc7a334dc8ab9f45d9d0d946329407f464bb2ecac7cbc42cfc6c8de50a9809b6a9862d . . . . . . . . [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 (1 bits) 0780 . . . . . . . . . . . . . . . . [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) 9bba11994f849e5c7297a4e9b0dc291039749b36 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'guardea.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.guardea.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 (12 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c3f95645c00000403004730450221008b81b367fe399e24f4f030995103613719d040df25d93bf32bb30b9d35de661f02207dc4ec17a76b829569dd57306a0125f56f7a6ded23ebe5371a40d0b1a61fe25600760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c3f956524000004030047304502207a392f8fa87f33ab9c73e7aaa0b3f5b74ae28e0c4c5d5e7ae44e818616825f00022100c7fbc5421bb001fac993da43179413ba3b1cc68121f442e9b1424b3e918fa5f4 . . . . [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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