support.zyxel.eu

Issued by R3

About this certificate

This digital certificate with serial number 04:df:eb:8a:0a:e6:fb:98:aa:b7:a8:76:50:8b:84:8a:0d:eb was issued on by Let's Encrypt.

With 5 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=support.zyxel.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:df:eb:8a:0a:e6:fb:98:aa:b7:a8:76:50:8b:84:8a:0d:eb
Serial Number (int): 424645196887510635690350703488680682196459
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 44:a6:14:8e:4b:2c:3d:f6:d8:e1:18:2f:95:b8:52:64:92:4a:78:89
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ea:0d:a5:7e:2d:cc:6d:48:34:9e:4e:23:23:a3:97:4d:05:ae:3d:b1
Fingerprint (sha256): 04:be:55:61:15:37:6c:af:47:a1:60:3f:3c:b7:12:c2:bf:2d:37:16:c9:b1:3b:bc:a2:52:d5:64:93:33:6e:1e

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

Revocation information

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

Check the revocation status for certificate support.zyxel.eu

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for support.zyxel.eu

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

it.zyxel.eu
kurulum.zyxel.eu
mysupport.zyxel.com
onevoice.zyxel.com
support.zyxel.eu

Other certificates including the domain name zyxel.eu

(limited to 100 certificates)

Certificate

The complete raw certificate details for support.zyxel.eu 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 424645196887510635690350703488680682196459
 . . . . . . . . [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 2023-07-24 23:40:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-22 23:40:45 +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 'support.zyxel.eu'
 . . . . . . . . [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 752714035235828437262340762247925212096139795739065469472067912547038561320219132103246766851315206241534728883054396947419695697530835429557273789134838637913919462877922134495657861715125149372731424428882011352515048074661703243737243766407094012928193070743061088670846620946265054734898020580281108018648869227653304069026536876324027588006297344501362884008242917974646760984929051634665908206113772295717258428570386014815254158553546051523144447908513909483765379124789792990543283472265009399235913962530138665384572228874742157737759472573858063686084084747115225564920529217298295795647683367071862605645163432578985821492380897875710047667121268368192131891668983859136753993570342934058628244647523429447066066373763647154247570510518235996533478773234034336955616226388813105809955314343254664582823914766730194839225839274122533906729603305952168121375119171249239454056926572942499867901563025738346544104164034576631622235435999173822206221551409657905569259505671942894297394991296563762923063710005392347686014732400669209123891170201574404341891922845829044686126385839182961505557855939805496091329766272068017238701738579697118094550335393158315516672839688113433135329770698041973962013514163444508990717752053
 . . . . . . . . . . . . . . . . . . . . [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)
							44a6148e4b2c3df6d8e1182f95b85264924a7889
 . . . . . . . . . . . . . . . . [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 (92 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'it.zyxel.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kurulum.zyxel.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mysupport.zyxel.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'onevoice.zyxel.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'support.zyxel.eu'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001898a7dcb320000040300473045022100a3dee74fba098110cf4207c4203e24b39147a8b346424c94c772b324260e32f102207196baa55f7ea9988c68287382fbe6231cd35bf7277ada68c8b3b6d277df7f87007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001898a7dcb300000040300483046022100bb2c7a36d5aab7f0e991735c5c03603a6c197bda3b15746e29fcb09038b54e7c022100cbd7488720e1de97d69f8dc2e0df3eb1bd163e9b1841c681d7c16a7e8b1c31b7
 . . . . [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)
		002b7fba607e2166d6b80e350a98ea797429dc59ded6c3dbee848422a049d03b4a48a559c1ce1ac174167dc74a00ed0c3da972eee55054bdd28924a5a194fef7ebdb0eacb65ff0e5463b419640f0357f26e0fb9ba707b6fade1a146226f964db5856b9a2b94c4afffb5748f34bf17a221947896ed7ce8b6f988cb060fd9ca15a712a661baa09ee3b2d8acc02273711f9c8d9852447600f971d936228a54cf9c23be01ba5bfaa5812191f961c409a1039a08ecb52c8da1e751bf646d7ce5265a22028a1521d550be756635981561320d421c880bd83732719dde387daa421df3d7e66a78eb6a5c23c56579e254c40a9e592056fbce46f74e88fc38593231527e269