guuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:88:aa:76:7f:9e:32:eb:ff:b1:12:d0:86:17:2c:c4:4d:16 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=guuco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:88:aa:76:7f:9e:32:eb:ff:b1:12:d0:86:17:2c:c4:4d:16Serial Number (int): 307841843735240942675488927353234174266646
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 28:48:a3:8d:65:dc:02:8f:6f:41:78:cb:6a:93:6c:5c:46:3e:26:6e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bd:ce:81:30:12:e3:5b:34:2e:a4:99:b0:5b:09:0f:a3:50:6d:ae:2f
Fingerprint (sha256): f0:e1:a1:c0:b1:94:62:a1:6a:6a:78:6b:e9:41:dd:ca:7f:ad:7f:04:9b:02:02:06:91:99:df:9a:b4:5d:f8:e9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate guuco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for guuco.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
guuco.com
Other certificates including the domain name guuco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for guuco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSjCCBTKgAwIBAgISA4iqdn+eMuv/sRLQhhcsxE0WMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjMyMjIxNDVaFw0y MDA1MjMyMjIxNDVaMBQxEjAQBgNVBAMTCWd1dWNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBALgvKNgEhwCMLuMfs1gCeP1Chc6AsvdoSahGMU7r dRKO/E7WvCFusQsztsDdNlAiHnZzZ9DiNQUvTqooki0gA8OEkHhnmSFwl+u1E2Xv up/tAWpAj9Lt/dM8EgI6oE8E744oEGTdzXhnVU4I+4Gp0m5aynx4PU8MbwlEcZn2 xCP4oHBD0rBlh1CqP3cvEQyXdxsqGZnkzum/KabTGFmbDHGW+jISxPlSIZrzyid9 acjvq5K6MXxpAnoA+KlwDZvv+b6soifuBVfNsuE/6H4iBD+tqJ/js/e0onzBYgDp /0wLXNOKS3BOgYitayOukAQOhHMCrzlu1NlkP2kY/AS4RKvEBEZu3jhPMraORs9W rUTPJwhpsVotYX19QMyiCSZ6gE+H1nBVhwozZn8nP5XdpTTDGytz2DrqtWqnRN37 hMNgxYClfeV4gV+2v6luo3d8fatt6hUZKRmFnIeRXjpDJaUyIMscX/4xF6y2Sspe saCX5phLY9fK8yaAgJQ+odSri6TJ66y79tS6PwiS05Cz6wM/AEauTnEDxdA0h79X AW2JrCV4rR0RFTpBxCzI+UMUdo15U3ILjwMdXaXTpe0qtThT1jGOOoWOAu3Nx4mr Drtq8Lhob4TgLLkQGa8IfN95NYv8volcoUIwWNp1tHx2ij1ZXPdV9jsbBiGa95/M Z4krAgMBAAGjggJeMIICWjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFChIo41l3AKP b0F4y2qTbFxGPiZuMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJZ3V1Y28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFwdFtOPwAABAMARzBFAiEA tdL65MyF3PmeNihJC1e1iFX/J4C5cFTNbmLI/IQlNxUCIBhCOJJiF4a4Gc0RXpXX wXn8oi2QjTBXpMmsta0g2ytTAHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFwdFtOhAAABAMARzBFAiEAmxKzfHa96Esrs+Fc+mz8YkcWZrYHG4o8 8TD93uAWFE0CIF84jmTemyjSgIDkhqJL2wLZblPGUPExlmD8xEr6HoudMA0GCSqG SIb3DQEBCwUAA4IBAQBScslYfpRdFfmRzbniSotsO3HUVsu2IiXaDVDpJ7VUoPAR 2yMbkduaZafCn4Jy0Xtfx2OHAVDnLHa9N7c8rH4P/zpYnwewdI2agQhZzDiWIUCO CNvivZxJW4JOEiXdcCHcfR7ZBl8ji6ZPsKRahnwGLezyQUzMMA54aYDRu9QiAqxt lL9hi3LTb4ZwN5F4NEg9FTFPF6V5pV898YeVoh/uADAdBmTmMI4VvnAf2+lKb7Zr k+GE0fU68mSYAbkXWHOuYFPspaK3VzQhlH635e3pCRp0NRx9g97c2Sjpb+7PDAVT jwLDCCB89RbjWeTlZh+FQFbsd/V1Cy3CepljWLO6 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuC8o2ASHAIwu4x+zWAJ4 /UKFzoCy92hJqEYxTut1Eo78Tta8IW6xCzO2wN02UCIednNn0OI1BS9OqiiSLSAD w4SQeGeZIXCX67UTZe+6n+0BakCP0u390zwSAjqgTwTvjigQZN3NeGdVTgj7ganS blrKfHg9TwxvCURxmfbEI/igcEPSsGWHUKo/dy8RDJd3GyoZmeTO6b8pptMYWZsM cZb6MhLE+VIhmvPKJ31pyO+rkroxfGkCegD4qXANm+/5vqyiJ+4FV82y4T/ofiIE P62on+Oz97SifMFiAOn/TAtc04pLcE6BiK1rI66QBA6EcwKvOW7U2WQ/aRj8BLhE q8QERm7eOE8yto5Gz1atRM8nCGmxWi1hfX1AzKIJJnqAT4fWcFWHCjNmfyc/ld2l NMMbK3PYOuq1aqdE3fuEw2DFgKV95XiBX7a/qW6jd3x9q23qFRkpGYWch5FeOkMl pTIgyxxf/jEXrLZKyl6xoJfmmEtj18rzJoCAlD6h1KuLpMnrrLv21Lo/CJLTkLPr Az8ARq5OcQPF0DSHv1cBbYmsJXitHREVOkHELMj5QxR2jXlTcguPAx1dpdOl7Sq1 OFPWMY46hY4C7c3HiasOu2rwuGhvhOAsuRAZrwh833k1i/y+iVyhQjBY2nW0fHaK PVlc91X2OxsGIZr3n8xniSsCAwEAAQ== -----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 307841843735240942675488927353234174266646 . . . . . . . . [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 2020-02-23 22:21:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 22:21:45 +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 'guuco.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 751406048214047037470217170728878903342150595064640394253759447872871395808816453836747848940103277379127470469664779368685030500770894833713226913566179586178948164428826640082166765226282572563111770504654355411037888003762372046138686126212978637060764679921160517256650334065482330247306596073567604349033002415904327662876046598713791140413795166569727915917056252412574328370614950395243332524937526660585172967018821100656040878079254011668090301846018096386800905024797717705683906136159451902444592125254741594115787981344911093296384172440321906356653872712583026436898291841983133140313612493053392255515372508825111716105232180158244275359109261403618194496662628000946031446904872820624112482323745065042470676963237769177606512276097898735413890940284926101179060772479260668378877986891640215688434536734082912930164683753684292452610424738253602472046728149932333702123510223579039763468053984684375250419620457326633795981036005217337894022662447879133994569076889039648249665914238460610739418329089312537139912778154983943802072478845346153122709697795819164409543327890212667615188450362277935924462959739982575407168380871243780535297810178112257716612242893750768454462210949483377339106905744130055523178875179 . . . . . . . . . . . . . . . . . . . . [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) 2848a38d65dc028f6f4178cb6a936c5c463e266e . . . . . . . . . . . . . . . . [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 'guuco.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) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170745b4e3f0000040300473045022100b5d2fae4cc85dcf99e3628490b57b58855ff2780b97054cd6e62c8fc84253715022018423892621786b819cd115e95d7c179fca22d908d3057a4c9acb5ad20db2b5300760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170745b4e8400000403004730450221009b12b37c76bde84b2bb3e15cfa6cfc62471666b6071b8a3cf130fddee016144d02205f388e64de9b28d28080e486a24bdb02d96e53c650f1319660fcc44afa1e8b9d . . . . [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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