guuco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:19:bf:00:4f:58:5c:a4:5f:8b:f2:8a:6f:24:87:49:da:a7 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): 03:19:bf:00:4f:58:5c:a4:5f:8b:f2:8a:6f:24:87:49:da:a7Serial Number (int): 270097801124810228783862286789846355270311
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6c:56:a8:2b:f1:6d:16:92:de:e2:f2:25:4c:1f:70:5b:47:d1:c7:7e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ca:52:15:bd:68:d5:81:b0:5d:da:37:5e:2e:51:4c:48:a2:4a:3c:b2
Fingerprint (sha256): bb:07:e1:70:29:47:23:37:db:9f:7d:0f:49:0e:48:1a:a2:22:68:4d:e8:a9:ef:50:7a:1c:c1:78:0e:7b:9d:09
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----- MIIGSzCCBTOgAwIBAgISAxm/AE9YXKRfi/KKbySHSdqnMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwNjMzMzhaFw0y MDAxMTEwNjMzMzhaMBQxEjAQBgNVBAMTCWd1dWNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBALTSa4Al1qCfwn59C3CjPfQ55o88/l/deSz1BGbR lRCpgOtSe/MND74Q224Q/7kwaFV5bjyDYmKbbGxL1UeiULZNKlxt4l5ihTPqIWhe eN3ANJmQjQckLcDjQfAbXLy6hqvoGPhKOJhc7Bgjs1D4vsLCKUiSu+qghD8Wdcvp /lm+5TC5dPKI40Oq+QBqbdjnUHaqigcor0nJazo3hYCMImSeGCsnue5Axk32cd8/ +7wpCiEsgYGNduqpWPwGLa5QTavT7riMObZp1vczv3bsKLdI4DzkXckNsggAEe/k WvzRLec3G+myoGNhmIMHBZCkYS89zxO+qQQLF6hERzM56JRgZRzycxWOqMry3OSN v6xp/EVgCYxCJHoyCWfxjabpx/TMwrEpUIINtD4AOwce+O45jryJHvyD9CGL+oU3 dSbnAt4I7Pw0hpYNzj0CZ3+8gA+GOa+jpYC9T+eg2HdgXEk2USobSUUSOxblp8x/ 0mhSb9br4T5VrnkmHdcXGAem1TYfJbEWCiwokcLY6dIp7sZgfuS4GJT5XHtBvSH8 nvGuDW3ZnJefWi1+qWIrKlHnlPuv+/ITY9H+cXwxk28ZvoSCWr3viRxzPPaLczpO c8+TODHz5IaGvrz9pbxdvy8SJ/I6rZ4IaEOaYM4eOmtvaSvKPRxVRClmRJoW1EPn 3kXdAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFGxWqCvxbRaS 3uLyJUwfcFtH0cd+MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJZ3V1Y28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcAsh4F zIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFtxAl8JQAABAMASDBGAiEA 9bKzJxiVxwyCO01ZQBWe7zLJmNIXf4vRO3mUEvWpfA4CIQDHg2xvGzFR2B5GN5Ue 9o2S44jYAxhRZA8Im2PM8tQM8gB2AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQY dZaBcUVYAAABbcQJfiMAAAQDAEcwRQIhAJ6xWDRxSEKkfsFDTYBHU+xhUmq4kUqK 4k8kYFF2pUyEAiB38Kwx9zzGH5i2LQAE6CfI+lY8a9uEmpfkdlFZ1KTBqzANBgkq hkiG9w0BAQsFAAOCAQEAPSuWvtkvWRICFpKpSVfiOSc3qEan8BxpWwAN+9bq8MXU 07YWaP/xMCFNwGuJzm4FtIzQk/6d9hlHQSgLjXS7XQN0nr+9gLU0rBw9KO4gpqu3 Vy+GiL6f5jWawgfnAGaJPtwafouNmCUuD09IBX9WLAnJlAG7HeteEg7F9si7/IrP dQSSfh9MNPKzvVKDJqlETlF7s6+KQmTazm8ooaY7NBgiWGvDZSj47G/mRmIvIouH s2RIu0XL33HgjEnpqzdGcSaDO6VwPVFdy/VkAQQgJ0hqCA60lTL66h5PjlrpIoGm xoTGHuejk0xL51f/h7PgvRI05emJASrz06nCEnLAxA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtNJrgCXWoJ/Cfn0LcKM9 9Dnmjzz+X915LPUEZtGVEKmA61J78w0PvhDbbhD/uTBoVXluPINiYptsbEvVR6JQ tk0qXG3iXmKFM+ohaF543cA0mZCNByQtwONB8BtcvLqGq+gY+Eo4mFzsGCOzUPi+ wsIpSJK76qCEPxZ1y+n+Wb7lMLl08ojjQ6r5AGpt2OdQdqqKByivSclrOjeFgIwi ZJ4YKye57kDGTfZx3z/7vCkKISyBgY126qlY/AYtrlBNq9PuuIw5tmnW9zO/duwo t0jgPORdyQ2yCAAR7+Ra/NEt5zcb6bKgY2GYgwcFkKRhLz3PE76pBAsXqERHMzno lGBlHPJzFY6oyvLc5I2/rGn8RWAJjEIkejIJZ/GNpunH9MzCsSlQgg20PgA7Bx74 7jmOvIke/IP0IYv6hTd1JucC3gjs/DSGlg3OPQJnf7yAD4Y5r6OlgL1P56DYd2Bc STZRKhtJRRI7FuWnzH/SaFJv1uvhPlWueSYd1xcYB6bVNh8lsRYKLCiRwtjp0inu xmB+5LgYlPlce0G9Ifye8a4Nbdmcl59aLX6pYisqUeeU+6/78hNj0f5xfDGTbxm+ hIJave+JHHM89otzOk5zz5M4MfPkhoa+vP2lvF2/LxIn8jqtnghoQ5pgzh46a29p K8o9HFVEKWZEmhbUQ+feRd0CAwEAAQ== -----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 270097801124810228783862286789846355270311 . . . . . . . . [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 2019-10-13 06:33:38 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 06:33:38 +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 737689207225152551020396020030974323357517036949983516235685198197804536235219654415435787363410191734427550252521137687550692661789132164212675128845057144371813177631388577621726957658464003302580000987191999520952894133791754409694466107254590216510514754170284398081095002225745223209181270248403480884101800449513701461672110329584176225602478498800873283045480431628506308654612186220146664961510525006400309342130181278028834788117421199392917987382830984159050212375092201943627491682558316161082272974390865579598758540156315251701353955138310924393524397456880204095608232399577848427729326655224158671846270473458617993910057715282885631176624104672864676224402152746167375254812045740119319288998858978253258571649710958519444938137835466476868220862347467255608964596566556700642095702732983811287909586711233201780987519967503780125019609189011910921224678132413625966818256792744763445665776607854874681273332234947239406832297495576590507131518165116628019073633156522590841252781933694134596692245830063038111718761088030734821584848044591412228123543426635790848260693607002108505679792207578536580196792468523146340423760142502919216466865858909090456499789233608907369690221960415035183329437009639035623293470173 . . . . . . . . . . . . . . . . . . . . [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) 6c56a82bf16d1692dee2f2254c1f705b47d1c77e . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc4097c250000040300483046022100f5b2b3271895c70c823b4d5940159eef32c998d2177f8bd13b799412f5a97c0e022100c7836c6f1b3151d81e4637951ef68d92e388d8031851640f089b63ccf2d40cf20076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc4097e2300000403004730450221009eb15834714842a47ec1434d804753ec61526ab8914a8ae24f24605176a54c84022077f0ac31f73cc61f98b62d0004e827c8fa563c6bdb849a97e4765159d4a4c1ab . . . . [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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