comunik.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:f5:04:a4:6e:e5:14:97:53:81:9b:2d:a0:17:39:f4:d2:ce was issued on by Let's Encrypt.

With 3 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=comunik.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f5:04:a4:6e:e5:14:97:53:81:9b:2d:a0:17:39:f4:d2:ce
Serial Number (int): 431824494320553527770037769547212588896974
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6d:3d:1f:6c:eb:b0:8e:61:43:1e:e4:16:39:1a:d0:04:d6:47:6a:4b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:a5:91:3b:20:8c:25:62:b2:c9:f0:ba:75:03:42:55:7c:b0:ef:33
Fingerprint (sha256): 45:1e:a2:12:e6:9b:e2:5e:36:91:55:72:b9:6f:25:9e:f7:6e:34:77:04:f5:be:10:a5:0e:ce:13:6e:92:2a:7b

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 comunik.io

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for comunik.io

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

comunik.io
mail.comunik.io
www.comunik.io

Other certificates including the domain name comunik.io

(limited to 100 certificates)
comunik.io
www.s3tm.com
www.gwenundjosua.ch
comunik.io
www.blookery.de
comunik.io
comunik.io
www.thepersonaltrainer.com.br
comunik.io
comunik.io
comunik.io
letswandr.com
www.comunik.io
comunik.io
comunik.io
firlana.com

Certificate

The complete raw certificate details for comunik.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAown/ceyMuCAcWakdYogz
Juz3ruYovm66fvmO69cbJCfB88qcKkjivMenBW1gyHMCzo3WTYQulkJMjdveDcI0
YEYrFbkpfbX4dWsVSUZykJYDmkhPycgEQuGqsr5F0Vtrxk6FOWENlEp/TGPu/Rmq
Y738EMUMOelmmGnMOyDxRshqahUHAmz/hV8fYk9QZ9cDeK2T1mkKhQ2Eoz8rG8bh
6eDRv+PPfTq2/7obcBQroVKNWaV3piQ+rTYsiuQluLi4EIAjJN/eehXlfso1yykW
wgNJEjNgeaqgQGzH7VudQuc0gVkKBU0VucP03J8h/Gg8MVFe//g0belL6jERUstN
MwIDAQAB
-----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 431824494320553527770037769547212588896974
 . . . . . . . . [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 2019-07-13 11:24:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-11 11:24:55 +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 'comunik.io'
 . . . . . . . . [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 20581773824220321500578303526775507540709309066582022036599650921265706603285618034655340492552823779826224426517618192166422967053308351234418719805661262402867223168064989962465400091459936444099897838357906093860600578278337581448909878460385815593796368992055790468185836459183121621181285996661826492862321847581036807905510865332645183418354703664828100235349737122216741549252931128943613054296473745438401171853238737309714919740571626458567469694937863857061648916458047997966011677132332699756740225500991804967487974102743814365736344124453366672940282804254311336004362124805479758854017809383951925202227
 . . . . . . . . . . . . . . . . . . . . [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)
							6d3d1f6cebb08e61431ee416391ad004d6476a4b
 . . . . . . . . . . . . . . . . [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 (47 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'comunik.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.comunik.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.comunik.io'
 . . . . . . . . . . . . . . . . [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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016beb4b18750000040300463044022059eb3d01a3f56d1da5b9523d67d8e66807618aaf23226aa90cfb6917d8ca46ba0220754f415a7d76720d85fd776aae4e1678209da717ec3d966a3a1ec7cd76b483a7007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016beb4b18670000040300473045022100c4e04f2475a443b1e53f05937e8fa929498a5eaa93f0fecff9770a890a406ea102204c8974d5d867dcb4111ff9b3afb208d9571fcf5ece7b743de087806f57eada28
 . . . . [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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