refurn.se

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:91:32:18:75:3d:cd:59:18:b5:51:6c:14:ed:08:47:71:62 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=refurn.se

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:91:32:18:75:3d:cd:59:18:b5:51:6c:14:ed:08:47:71:62
Serial Number (int): 310744389391669061450277700659885755560290
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7d:85:b8:11:32:d3:96:74:65:2e:6e:1b:ed:d9:62:29:a3:1f:c3:9a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2c:ef:23:e6:38:c2:4a:5e:0a:db:ff:7e:6e:0c:cb:c3:b7:4a:80:e2
Fingerprint (sha256): a7:19:92:3d:a0:74:45:e2:e7:cd:0d:07:5e:02:01:7c:3d:0e:1f:93:f3:60:15:85:bf:95:7e:da:e2:87:18:4b

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 refurn.se

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for refurn.se

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

refurn.se

Other certificates including the domain name refurn.se

(limited to 100 certificates)

Certificate

The complete raw certificate details for refurn.se in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwfIL1tQ4It43KCzhaWs4
V/LaGLzAREdi2CUjALOlDYGI7k8mRkM7ISeDv8B2KrUw+rD22QArAE3dqQsbJxBY
TS0TiXwdaDn5RZf6vxaX+4RBkbwQZPQEXKLQJ9LJ+hZEKKJ7u95JObmHtnWednJ1
77qzYyAxuqgSJeDdbPDNYthXVXOU2eg/RcXeXZYe/r02F0b9vgOI+HszN88hKXWP
JyiOK+esgV5I8d+Vlg7bESyoCUzm0I911j518Pi8TS4yd/PiWCnv4gFp2Nka5l7z
bgjsMwloXkca9pFeVXzCL/afanhtTb2CiNJ9KN7H+vxAIKCvNEmFFHSXU/Pa21wD
sJujt4NABVax/nI05p7c0INKURWYWyCNPH1MfgCCxi2k3fKcrdBWEJKpqcEIiuW9
Iuwi7xjid3z4cbke8EV4uYF2SGO6mko1wGswd+k7qyhhPNuQygifdOmXj4SvHwPO
NXN9QqC6DK1d+MJsy7l6CgMfzBE36HJqDOuUADuNuHKQo6pEFdCpnMJrz3XcBrc0
Gpy3CP2u5iDUoZvyd+xetGyzWx0XNAO+GffdU8PweSUu5kLQwh+f4swO5Q5FhzKf
RVb1f3tcOyoo314Rdek31qFzlATwRu/48qmQXtvGQo2UBvfHtxcjp4DQqA2Ui5PL
xCCz+vq1x/Li8DyPhIpjwtUCAwEAAQ==
-----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 310744389391669061450277700659885755560290
 . . . . . . . . [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 2019-10-26 18:22:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-24 18:22:18 +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 'refurn.se'
 . . . . . . . . [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 791228580654693214211620104715500557414137652577367181373177046324993829307959752095001642262829160827786765040232134722018052775916627481810204173666433678581404161684750915947930478749764469762885768030529726021829622595259206918882422499740649436341886608214176685983463596959348959802511859758151345645515301099916111068988563361349719711742033175305648249252552868978228613820959376001344788940482501918961191654179020634805342611813008488775270012603047230709086275754461577272954968783592867730939646049156976471406390150016532268539052504457756381257661389465361580055928640565054566843124990902308032014297959934092988967914686742964599879662096647884059091761326503819627369453818568326342823675917532823415231466580015976979738425879336992256258874972916523482243025289604947418942257891803539374198324452709037049355757270402919915233051426053419948689396488922896060077181260811704018397415238896248245723353469941918347495871862441741413261806580909390196160393032533890209926699655626474054067087505063891361793905567605972706122302324448644099543924127421966653015299265765173339686959339179353470141092828398799002817054336189695063210518720911164254603977574389138991683987913413342920953406495863884282427611529941
 . . . . . . . . . . . . . . . . . . . . [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)
							7d85b81132d39674652e6e1bedd96229a31fc39a
 . . . . . . . . . . . . . . . . [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 'refurn.se'
 . . . . . . . . . . . . . . . . [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)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e0984f4e0000004030047304502201bcb682bb4404646996fec9b69bdf11b5fb9df1cae0915c933aa00cf33b70d3c022100deb70e9885c052d41e08745560f3b0de0b2ad8f88eee5879d7f842eb007eff470075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e0984f59c000004030046304402200483af546507428e2406cb6af447ce7a9387db2d521e4e5c487246fb2e2fe2b60220523e327999d7e3933587a8bbe4f32255dacfbfb917b2096432d6b9e0cf8ba102
 . . . . [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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