holdur.is

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:9a:67:2a:15:34:2c:69:b5:28:9d:bb:31:c1:be:4e:98:76 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): 04:9a:67:2a:15:34:2c:69:b5:28:9d:bb:31:c1:be:4e:98:76
Serial Number (int): 400989757222963626018092370034668409362550
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 22:11:84:94:6e:e6:74:df:69:b9:4c:c4:5c:22:5b:e2:1e:9a:25:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5a:12:c9:fb:71:c2:a3:78:a2:9c:2a:5f:f8:4d:00:c7:a3:7a:d7:30
Fingerprint (sha256): 04:85:06:b1:bd:e5:9a:e5:48:7c:96:21:9f:fb:29:15:98:01:85:59:98:25:64:56:3e:1a:1a:34:9e:18:e6:ad

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 400989757222963626018092370034668409362550
 . . . . . . . . [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 2019-04-27 05:01:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-26 05:01:18 +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 '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 847065747336613622257388765161145183425528458323574624717089017601670636153339764509828458056461725398892423018951643474460207208800601999876808280480639538063052748609133578297426168156219954701417411275075162718818047175973812635705133943095037681578960585304968672524055263001542082017365067640592717619707286648625390390006540706908430231544728558593287111879217966062797730784714511122813866177181884453109261126430600529066905181695482180063507875010628775768524333065541322798466860314483995132000800073669791058036845398258448940496419923497510474447314360811184916491308023268860189890525776535704712926967844342573103580400400070088960369503343476521779174792829803229386775492459553664601631325172432513271904615056889568151648228223841846380303917430325010818495900123332198170541178060551316999739207767952640718066393753370110204796713224380936203742409854568921762255078611027977213453959263071617367278691084013850210142735247550377062183093777289410287888562009087757750439344340617325232947548007076944582564243916788797009802956801044961566253460116964533503894275608058919527077973920585110273980439105727620056965942822570827781691733964707918180372510550223153538410345103881011693392106330634392345377609392451
 . . . . . . . . . . . . . . . . . . . . [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)
							221184946ee674df69b94cc45c225be21e9a2575
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a5d6235c20000040300463044022032cfa85b5f8e6f03faf54747db29926833b253e853c84b5007179d2335c242ca02206efa102c7f5bd7c203caaceae9f1758b0c077eb2320d1b12c012db317137861800770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016a5d6235cc0000040300483046022100ede36f32ecdaa0ac28ca2738ad770305f57d9a0a64e1230de56a1df15559f6bd022100a6af3c56a64ba70bd225a0f38bf14fa6127da0eae667f51036b28b315094d1db
 . . . . [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)
		008769b5ea01ddf52651d2553d3eb3f1f358727782c7daee51e8646a61d3ca48cb73a10b1c37fbe7f378adb67d5eb8942ef4c9cd9334451adc12b7962710ced5aba36b81340097e053e86c7999383358fc5cc96649b78054faf9f000a1b97df41d3ac1e159462265b582f3edd6f2943f3969042fe23e79e8a30ff93f645f9c2a846e6516415a63a3beae1c7a2c1085cc321b3c7d746b150e7c7b96383277b8541ba53bdb3e84c9b9ac8642c512ddf4c0bcac8cb48ad05157a211587e3635c3c1f5177399fe233ad0e0281c0544c8d12ef3e0e84c42928a6b68984143359f032b3a6585bad9c7af258774d9807f87a93744834a4d21693084d7669692fb2df88dc6