webmail.sikla.com

Issued by R3

About this certificate

This digital certificate with serial number 03:59:97:36:36:ac:09:e5:ee:56:5a:56:2c:06:05:d6:a2:37 was issued on by Let's Encrypt.

With 8 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=webmail.sikla.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:59:97:36:36:ac:09:e5:ee:56:5a:56:2c:06:05:d6:a2:37
Serial Number (int): 291822983371518572249873359248900499087927
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8e:34:cb:85:c7:af:75:0e:51:0a:08:22:53:bc:63:c2:66:24:3e:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 96:e2:62:e2:53:4a:e8:08:6f:57:d5:a8:80:a0:ef:53:84:61:52:8e
Fingerprint (sha256): 21:e8:47:df:cf:09:8b:37:4a:33:4a:d1:af:98:e7:9b:5b:ef:77:95:2d:e1:62:b9:a8:b8:3c:6f:ca:ca:0e:3b

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate webmail.sikla.com

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webmail.sikla.com

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

autodiscover.pkt-systeme.de
autodiscover.sikla.com
autodiscover.sikla.de
autodiscover.sikladrain.com
autodiscover.siklasprinkler.de
autodiscover.value-tec.de
webmail.sikla.com
webmail.sikla.de

Other certificates including the domain name sikla.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for webmail.sikla.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4EVgim2wy2FsmxaBtLy8
8z8OXDZUKv9P5ajJW1nSCnswcpylWsRnYVowFpbur7URbcI5wRC0IAUoTd8OMDjU
0CMKMW/I1A6nYPzXAp3TqM+ZHZgCTkfd4p8ShgjVYJKoJLBNqKsCek+lCogdoMzP
p8kN4iuCagg3oFTGS1AYPO7SlUbuiln2mgqYovzgYsfscUck6k2TKcO0+f7LAkoP
u3GVQoBDQXLB3xcrOvXWIE906UybDO286u5QBeUApf+O2CjGuubTkDBhr6ZiLkRG
O9Z1+1NxEap5dMMZVdSk8W25K//i5lcvDN15u4r5Z6uygz2fFVcueGmM9ID5Xydh
gwIDAQAB
-----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 291822983371518572249873359248900499087927
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-06-02 02:28:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-08-31 02:28:59 +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 'webmail.sikla.com'
 . . . . . . . . [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 28311591441514323495089360532668828655071388492162662384520067916951486551157262445433852730794542798746974890934694792569843515916890567256390683283606155337915707029621458095686830850758277573320382193170102909876229804199763320540576959384901632658961741726088425070882579001344648013698386792720581821489761950213085272843857683843518352116613724595701500697366872553201407740654890370701513369199366271771426626477962161742843009941666566726187635934704595112919785385784175582738429863408181915581800635195541468040715061611587790365133355611230252373631487018664245776489341455213284612372317462595156664869251
 . . . . . . . . . . . . . . . . . . . . [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)
							8e34cb85c7af750e510a082253bc63c266243e8d
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (204 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.pkt-systeme.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.sikla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.sikla.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.sikladrain.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.siklasprinkler.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.value-tec.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.sikla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.sikla.de'
 . . . . . . . . . . . . . . . . [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)
							00f00076005cdc4392fee6ab4544b15e9ad456e61037fbd5fa47dca17394b25ee6f6c70eca00000179cac4655200000403004730450220211a1f9ecfac21e79e7deab153d866c21fcfe3db008474c5735935e433d4e1d7022100e2c3e7edc66b2e7ad9ae3604c9185ab46d17914f3a1c1d8c19e0ece74887286f007600f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e300000179cac4655d0000040300473045022063f665679f4999b2036317ec1eae21bff68a23d53207cd3e71d1a45a30d48837022100ea02514621b56bc7322d6636ee725744e1926b661a49e9dc6dde82bd4da86d67
 . . . . [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)
		0038ed3951ea07b27540dabe19f8ece4ba1ed5a5530138efca89b002a634f2f8f49085ea4e634ae24d2f33945d684355fd09fd90342c842508f6065e99c43d0a7644043b88ce42bba33bfac884a438faa568a254c946942c93638abf7abc5ed602e6f1fd94aaf988f924367b02e8dcb5b2d4c539110e2b4d1b65872e9d7139598a248d70debade5d9143c121b62cf81853146f19cce495b9a3a6936cf13d0712faef1568d62a2d81b8975d911035ae6e26c715c36c4709e6b681f26268f47cb40c80f6ea0e29f1442c48f1311059534656d7fd4b1048cd9d269eaafad798cf6cce81ecb9229b131dc636838bd55643c2192c2349e22aa8da01d326f747f26aedda