geovina.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a6:5f:c4:93:6c:0f:db:b3:97:78:74:11:f8:7f:a3:29:72 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=geovina.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a6:5f:c4:93:6c:0f:db:b3:97:78:74:11:f8:7f:a3:29:72
Serial Number (int): 317951028044016125875268591920384963717490
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b8:43:b7:9e:bb:9c:ec:ae:86:21:bf:25:12:10:1f:e8:62:40:e1:49
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:f5:5c:8e:15:9d:66:8b:11:4a:86:a6:fa:89:2f:73:5a:0a:56:d8
Fingerprint (sha256): 61:ed:e2:52:f4:84:00:11:0a:cc:1d:59:18:fd:6a:e2:87:1c:35:15:2a:bb:d9:58:01:4a:95:5d:b2:b6:1f:a8

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 geovina.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for geovina.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

geovina.com
www.geovina.com

Other certificates including the domain name geovina.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for geovina.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 317951028044016125875268591920384963717490
 . . . . . . . . [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 2019-03-31 09:55:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-29 09:55:36 +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 'geovina.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 966374379015464715932239032762914997231340630528521938328428850963413153205275720853941580818553673179129252780532942967519238689377892620574868275947802949030895148573820649502719491201693564600656419449271502053057751136434295923356117076652609755913928476637346466868562024968861871381632091768811751121370270427603573612777029278649747015218446384849835840151188889990243066884527010125086778888531071441296276962030091144910226684493910698087035868820355730128105357003800194099436620724215702277726681031526353443192720949784455246775884110557992587608815577937375043313558032116080440232718793263915766659896026286612172511782895192080413513169827513748941436949588646758732203134670447647859199419624649452176796319551220847476056485942833665585489225787385676334658428789206792694462932504164818439773761507047664073368906435694241135993581801843013147653285401503734315487112245533252355803425920497946760978305406161041260922490435441696730966129969998449375534112872223532140697815345475846627287073424932419870479076391014270726070908862844194174660988457933567539335955473312015025600606682767137646484619874247372422366580887007415191121832845297899011792972928204213335908248032464189644103694367141055543136679342491
 . . . . . . . . . . . . . . . . . . . . [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)
							b843b79ebb9cecae8621bf2512101fe86240e149
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geovina.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.geovina.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169d363f0d70000040300473045022100e4f2be58edebb13bccd19cf882d7b30b93a5e937c9f5f2307b24dbb12782e6ae022009170b28c7a89544b3b23e6582f4e547a3003d55703cc73b0aab32ca66480933007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169d363f0e200000403004630440220405954cc601bc8ecd13ea7d5fdb94e0fd3e0ecd62811654035b550bf82ba12b70220542a13035b4f393adf9d8045a278286daf58c5a443d388aed8f2d376c0f154d0
 . . . . [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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