geofon.com

Issued by R3

About this certificate

This digital certificate with serial number 04:f7:5d:86:14:49:d4:fd:9e:8c:d0:9d:92:c7:8c:27:36:6f 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:
  • 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=geofon.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f7:5d:86:14:49:d4:fd:9e:8c:d0:9d:92:c7:8c:27:36:6f
Serial Number (int): 432623202739397593270652076764156433741423
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d5:cf:57:71:cf:b1:a2:6f:58:05:44:55:4a:0c:31:fc:a9:84:03:86
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fa:06:01:df:e5:7d:6e:2e:a1:ec:92:e4:88:11:85:56:a2:fa:87:be
Fingerprint (sha256): 5b:a5:0c:d0:11:09:c4:b8:fe:da:21:13:63:25:29:37:e8:c8:2c:4d:ba:e8:a2:04:e7:50:17:77:ed:ca:24:23

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate geofon.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for geofon.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

geofon.com

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geofon.com

Certificate

The complete raw certificate details for geofon.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 432623202739397593270652076764156433741423
 . . . . . . . . [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 2023-11-22 02:40:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-20 02:40:09 +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 'geofon.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 838315350489701574531328866615422801231253309144042770407807273159265496759224418007859495322913870858398318296094599944547369269958689578428393849686178978755770955376604974119533366277138862605370184484292712797948297643325972907726524604562368058280860450378456977197523493766430889239259617974440824565245624556301418844222354792313786965724457249938798937444791621874906469711981746390288897988265172344575590277777221336511907095224911926451055032202639602978690110102598067628270444827972307459597483695943721247660025237030176916770928468067817826569090822946258928036724501821386890445895498873731194151512779398926384708813737512788220756188480489556416514687685347591639034975378416170385818536998456771400044127970902069909560860484145110305904044658424472632552354130076842793725849768938286041514206332251935888020666627502645319337690145623440266223409752023388135591596778661232410900717974725482104105887416034102370422300832018802154710527200409980769070133143982851213922953083491941606794814999140001718679631921418609359968846827747736248531467597593883504589506944138200555382337073054510315415987535116406174727455293786799191161611658194487816571108910089771647378404572810329987027310748586987217666394383473
 . . . . . . . . . . . . . . . . . . . . [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)
							d5cf5771cfb1a26f580544554a0c31fca9840386
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geofon.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bf51d292f00000403004730450220077d18761582eab4f8b791d873cd45f105a078b994c243e0fa11a1f4d41f59e8022100d162b8a7833791bd2b203bed61d36a059d0c69cd1c46683dca4831518489a555007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bf51d29380000040300473045022100b397bccae688b57f0c08d173853faf7fab1ddfdd6e9884b555097fde4c8ee6c8022004d1749af38aa64877d2ea8b9de752a7ba22b80e4c33b2f9d4eb247934dc7c30
 . . . . [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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