rfg100.com

Issued by R3

About this certificate

This digital certificate with serial number 03:fd:a3:7f:c4:b5:b5:01:40:ff:cd:28:d8:ed:22:d2:19:d2 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=rfg100.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:fd:a3:7f:c4:b5:b5:01:40:ff:cd:28:d8:ed:22:d2:19:d2
Serial Number (int): 347645624201040744439960507328598994196946
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 86:67:ac:2d:04:c2:dc:d7:db:33:22:1c:de:0b:91:9b:95:79:3c:61
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 75:0e:b5:5e:2e:b0:a9:2d:74:80:80:6d:ce:ed:14:81:63:44:92:08
Fingerprint (sha256): a7:be:7e:02:d7:03:84:99:1c:99:f1:54:de:79:a8:c0:cd:88:c2:90:20:51:75:70:80:2b:75:41:93:8b:46:02

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

Revocation information

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

Check the revocation status for certificate rfg100.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rfg100.com

Public Key Algorithm

RSA

Key Size

2048

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

rfg100.com
www.rfg100.com

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rfg100.com

Certificate

The complete raw certificate details for rfg100.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs9hqi09+QWQhYc3qsLYv
xviH6kffNfMtZrO6wq8zY8wHFp6EFHOQd+uADEovhk6LNmg+gsRpnB6lTE73yZnv
Xxxkk132g+Xx4kiYScsne67OTvAeonLwmM12EKA2uqQEF1rkZ001f2uq+9aQ5MMX
aA4wjRgwNLFrH+LDg/t2VxtzW44IinZOgzk4z7gN0CFbpZmCSipynJ2QW/q1Balf
TOIdJT+ViGo3JzK2429XEDNd/KcQp4ZznGTVdN9654KXhrDUOaVo5p6BSjr8PR3r
C9pNetIoTW9Y9AlozgPF8TJQNs5LgYt6WathzPTNVGu7vARPWVaqeTeIjZ/PUmC3
BQIDAQAB
-----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 347645624201040744439960507328598994196946
 . . . . . . . . [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 2024-04-08 19:49:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-07 19:49:46 +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 'rfg100.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22703375388794907724286661582844029790948497240839869206967878305129693034434346306126484665992897759060451300331536146723638240895292718772451589571109242083010169608374455900719959557381131647640008250278986371951943111677358362700456471765282763402166577751942833041099133192486621924960893250998251643377216022256494392145138559074861818768635494519210334445799560554168786414442210834685847738799044741326371209943796809529848678974616386633094860425280220801475719471078976897121682594236139642054524400611259169837402396182877107361245200332579659545929028089487221671322818941970638049061235202881886034638597
 . . . . . . . . . . . . . . . . . . . . [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)
							8667ac2d04c2dcd7db33221cde0b919b95793c61
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rfg100.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rfg100.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ebf7962890000040300483046022100c6e55e0ddc79b99dec8d737f6c284340f63a986aaf9154e6cda9756b2cd54f9f022100e2283a819c591b34f1537a630b1c3164e078c71d0ce5a9acc6b08b78616755320076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018ebf79624b00000403004730450220244407f96b99a301358208a513cb8487625c3f2b3cccf0fd0314af08ef17d0280221008c57bb78a3c37d182ab6d91f9874aa70ce06b18ffb5d97dd4387111dac9becf6
 . . . . [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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