holdur.is

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:72:91:cc:b3:5c:17:83:49:fc:97:72:fb:3c:97:b2:ba:7b 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): 04:72:91:cc:b3:5c:17:83:49:fc:97:72:fb:3c:97:b2:ba:7b
Serial Number (int): 387435134481823512206589406717654257023611
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 73:be:12:88:5a:06:2e:f7:7c:5a:6d:ef:fb:24:2c:6a:0e:c6:fd:77
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 86:cc:20:52:78:5f:88:61:6b:42:e2:53:93:e2:b7:55:60:b3:4c:43
Fingerprint (sha256): 94:7c:50:58:94:bb:1c:cb:10:a3:32:4c:9a:8f:6e:dc:63:b3:9c:bc:8f:a7:1f:27:e0:17:74:8d:20:06:55:0a

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

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 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)
holdur.is
holdur.is
bilar.holdur.is
holdur.is
holdur.is
innri.holdur.is
bilar.holdur.is
holdur.is
bilar.holdur.is
innri.holdur.is
innri.holdur.is
holdur.is
www.holdur.is
nav.holdur.is
nav.holdur.is
webmail.holdur.is
www.holdur.is
bilar.holdur.is
holdur.is
bilar.holdur.is
rentway.holdur.is
rentway.holdur.is
holdur.is
bilar.holdur.is
rentway.holdur.is
holdur.is
holdur.is
innri.holdur.is
nav.holdur.is
innri.holdur.is
holdur.is
innri.holdur.is
nav.holdur.is
bilar.holdur.is
innri.holdur.is
holdur.is
holdur.is
holdur.is
bilar.holdur.is
www.holdur.is
webmail.holdur.is
innri.holdur.is
innri.holdur.is
innri.holdur.is
holdur.is
www.holdur.is
innri.holdur.is
bilar.holdur.is
innri.holdur.is
holdur.is
holdur.is
nav.holdur.is
holdur.is
bilar.holdur.is
nav.holdur.is
holdur.is
www.holdur.is
bilar.holdur.is
holdur.is
www.holdur.is
holdur.is
bilar.holdur.is
innri.holdur.is
bilar.holdur.is
webmail.holdur.is
innri.holdur.is
innri.holdur.is
holdur.is
webmail.holdur.is
webmail.holdur.is
bilar.holdur.is
bilar.holdur.is
innri.holdur.is
rentway.holdur.is
innri.holdur.is
bilar.holdur.is
bilar.holdur.is
www.holdur.is
innri.holdur.is
innri.holdur.is
innri.holdur.is
holdur.is
holdur.is
nav.holdur.is

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtvNVAPh6BdAxeaMA4Xxs
8hM0HTC9mcWVrHoqg1b4LP4pCBVT2KLlcVQjMq0q+g7abvRvzGarMoB7vlCugzi6
eHN+pP33Tl3JBeDOWKjUtjXLPegZCYerDO/2cxE2Bfhjb/rEKNIwom6mDDFuOvv6
ozTSi3iUabt92675OlVwGUyaU3DzY3k7OrbyDQVh4AYBlQ6UJIVt89EKo4nLMYaV
asMay+YeiNxBWJ7BKoDgeNhrWSEHoMkJakBXEWG1KNU+mZ8zA5ovcKBMLvOA9vi8
OU+x/tnVhbHwjcsAR/IBrvBWk+bhj6nt3JaEwW33+VqQEtCcdTWDNxJVJxSBiEWL
FwIDAQAB
-----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 387435134481823512206589406717654257023611
 . . . . . . . . [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 2018-01-02 05:01:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-02 05:01:23 +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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23095363007879634364478988557096544642989814375902374567746206898549206166152150962936368699208988377004487045018312041238430799779701238577841331947251595971531617381146476362775779402362407414247021194194458146121981688932946318937570798707936535657121565287543163459802401643864760531102904920094255422782296318172425992445061065901209711953379105837055861992796494529393890670098505861193967278967858102127480330948167466552930408392320730314449467081019950392862637771044182351060575522889441594812978129012076598532557543172473992740908938107678044694578801989387568030028451807012953245265417345241371227032343
 . . . . . . . . . . . . . . . . . . . . [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)
							73be12885a062ef77c5a6deffb242c6a0ec6fd77
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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