rfl.is

Issued by R3

About this certificate

This digital certificate with serial number 03:f1:35:3a:95:1b:bf:31:78:28:47:5c:37:ef:34:ae:55:d6 was issued on by Let's Encrypt.

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=rfl.is

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:f1:35:3a:95:1b:bf:31:78:28:47:5c:37:ef:34:ae:55:d6
Serial Number (int): 343415661484498667969463393503439078970838
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:74:51:c6:12:8e:75:ae:3d:5d:35:d1:bd:e3:3c:aa:eb:7d:3b:6a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 91:5e:8d:e1:1e:fd:9c:cf:9a:fd:6f:db:a5:fb:f6:be:37:05:66:0c
Fingerprint (sha256): 39:e9:c8:54:9c:17:95:a0:8c:46:13:a0:f0:1e:3e:31:f3:d2:eb:b6:ec:cb:ca:03:82:46:03:2d:0f:5c:95:c4

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

Revocation information

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

Check the revocation status for certificate rfl.is

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rfl.is

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

rfl.is

Other certificates including the domain name rfl.is

(limited to 100 certificates)
hjalp.rfl.is
rfl.is
rfl.is
rfl.is
jysk.is
hjalp.rfl.is
hjalp.rfl.is
rfl.is
jysk.is
hjalp.rfl.is
jysk.is
hjalp.rfl.is
rfl.is
jysk.is
hjalp.rfl.is
jysk.is
support.amazingbusinessresults.com

Certificate

The complete raw certificate details for rfl.is in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk9RYh5BFY9+F5uKbeaWA
l/JLkFMBDSfGysDfajTpsjCi8bQR/44A3+f9M9stha/Qa3tX/MgInYsDfHRDD4dc
PSTpkn9Ci0gPXGl+5w1A063g8F6X3mZwc+H9eedmlFm7kDv3AP39qVgCkdhFIokd
1faXibNTYlmaEslJ8F2zEh9f4fAtRxNYMRZ7c6VWCyBrwAuI7OpFPIYCAxGO4fb4
amIrGEJbcVipeW+NdxAsAtajGSEoW6DPsGS105NL1T7pAF3076KFGOm3E0skIhzk
xqiwGgqjTwg7PSeZopyzGh2+5jOOVsi/bUOXxE0Vv3DjJNa4LsS7zSX+EpZnpQfp
VQIDAQAB
-----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 343415661484498667969463393503439078970838
 . . . . . . . . [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 2024-05-31 08:45:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-29 08:45:38 +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 'rfl.is'
 . . . . . . . . [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 18661742455786332920858358517752641136278247716853930894032021293605189539476331442653765354338452870320193624712218216517647655934824143798111998432547750266573450910609911944272709796238221132053881108977768836160279877317510476246694480301056139928381607529304332771711242420670851698916743417297355036934283838969659032813128714248654806609952458129775740568517607656622157858529132458618667873329034240835453437649846961586164191950626360734669510810184873170102711489550830361174180150010080785707149615075347349535649364812534197136486345640646611189692442493311538579554961889151737779369553071205157221951829
 . . . . . . . . . . . . . . . . . . . . [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)
							2c7451c6128e75ae3d5d35d1bde33caaeb7d3b6a
 . . . . . . . . . . . . . . . . [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 (10 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rfl.is'
 . . . . . . . . . . . . . . . . [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)
							00f0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018fce0a699a0000040300473045022100912d98b04eb1058fd51bd5a8539ecd1236cf3a1281c5847dabe2af7a0cc260b202201d00d63634e9eb8122ad6ed41ec617ca4a21a6e491f42ac47139ab176ae054d6007600dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018fce0a6a5f0000040300473045022051896250f233f5bc8247eba9d11026675f99ba07fda8436910cd2c8968b1013f0221008261ca37100beae1c1fc7feab84a3bc72a616d2429ef3093ac7300eb21870c4c
 . . . . [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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