holdur.is

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:77:22:3c:d0:5c:c6:47:5a:22:ee:44:0d:05:36:b1:68:af 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=holdur.is

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:77:22:3c:d0:5c:c6:47:5a:22:ee:44:0d:05:36:b1:68:af
Serial Number (int): 388988254906392415770168545385023253080239
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: dd:70:05:37:7c:0b:89:38:cb:75:9f:82:a0:96:03:82:21:80:12:27
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 95:1b:fe:25:0a:c0:09:4c:8f:90:8e:43:99:3c:67:b1:ef:45:23:a5
Fingerprint (sha256): c0:6c:b6:9c:b7:0c:f1:73:83:84:f0:d5:51:ad:13:44:e2:d1:85:d0:0d:0e:e9:6e:af:9f:b8:8d:ca:d5:fe:e5

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 holdur.is

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for holdur.is

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

holdur.is
www.holdur.is

Other certificates including the domain name holdur.is

(limited to 100 certificates)

Certificate

The complete raw certificate details for holdur.is 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 388988254906392415770168545385023253080239
 . . . . . . . . [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 2019-02-26 05:03:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-27 05:03:15 +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 'holdur.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 874221433547721169238712185272223848663176855074537732184479772649160539066635220860375477611998435103668874133162797566809086929573738159127068836348628262824539159222939305088821016842566555096415655297776559485210677766897993298654154328441791800294437536378009885220526206058492685251632518612404658562129379075177788243077590578112316598722310505285805561285416035717682759184283981445508821186143189493613136237533559531575452078780899433992707675341814726932036868858110532824129429926910026195771117520937535123023263039135827812884183634919673601349489499474889403745963092814732290975217709350549472326422967340322484430351646144457875018326787154984353724512002840984220690720974414962378111049767537886005150558908747978215426793820183060177547962466755834473109363644171795985897116990861331052924992855653507408323088675879604951575870110682870608515194446916569851546122937381582026761288210819089538516590248582105849947256783629018192734997280964415887656842681001152949013014171579543229475308699976762041520609262708596842204540093232896406703722193934448136392246565078625550821666659955897159240451211968196506643283648376843689171778665811051379766536006180718855697867444353099527303227906254975127996968584341
 . . . . . . . . . . . . . . . . . . . . [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)
							dd7005377c0b8938cb759f82a096038221801227
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'holdur.is'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.holdur.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 (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)
							00ef0076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c0000016928666e9e00000403004730450220221e09623e7b6a4c8204687a4f9950f2091671a6ff4fe5410491320dd2de5fec022100ef0baced1b860268188c3b54863f03c6d0d0726d56c730864fa0660650da0e9800750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016928666df5000004030046304402200e759416489dd68c4ddd0db6559da65f53edee2692bf68f2679e101614bcc970022052043d23905218837dc9d2f974e0e669bcaf60d528cac8f1084bfddb1c92741f
 . . . . [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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