cmkus.gigant.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1b:ed:b7:ab:37:f7:5a:50:9e:58:d1:a0:cf:37:75:34:88 was issued on by Let's Encrypt.

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=cmkus.gigant.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1b:ed:b7:ab:37:f7:5a:50:9e:58:d1:a0:cf:37:75:34:88
Serial Number (int): 270840462400198358532897159140171094242440
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:a3:42:8f:15:98:40:49:92:0d:ef:96:0e:3d:86:47:bb:4d:3d:1a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:23:74:f4:f9:e3:7e:8f:ad:c5:97:1d:89:c7:b6:52:8b:87:e7:3b
Fingerprint (sha256): 89:b2:ca:fd:e1:d4:f7:67:b6:4c:41:68:a4:ee:8d:c2:ad:c4:ec:73:7c:f7:8b:ed:4a:78:eb:e0:4a:b5:71:f9

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 cmkus.gigant.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cmkus.gigant.cz

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

cmkus.gigant.cz

Other certificates including the domain name gigant.cz

(limited to 100 certificates)
mail.gigant.cz
downloads.hades.gigant.cz
cmkus.g2server.cz
mail.gigant.cz
check-mk-us.g2server.cz
check-mk.gigant.cz
hades.gigant.cz
mysql.mn501.gigant.cz
mail.gigant.cz
check-mk.gigant.cz
mysql.mn501.gigant.cz
mail.gigant.cz
mc.gigant.cz
mysql.mn501.gigant.cz
vipm2.gigant.cz
exchange.gigant.cz
mail.gigant.cz
exchange.gigant.cz
phpmyadmin.hades.gigant.cz
mail.gigant.cz
exchange.gigant.cz
check-mk.g2server.cz
cmk.gigant.cz
mysql.mn501.gigant.cz
gigant.cz
mail.gigant.cz
cmkus.gigant.cz
mysql.mn501.gigant.cz
mc.gigant.cz
cmk.gigant.cz
mysql.mn501.gigant.cz
cmk.gigant.cz
cmkus.gigant.cz
check-mk-us.g2server.cz
mysql.mn501.gigant.cz
exchange.gigant.cz
mysql.mn501.gigant.cz
mysql.mn501.gigant.cz
mysql.mn501.gigant.cz
hades.gigant.cz
mysql.mn501.gigant.cz
check-mk.g2server.cz
check-mk-us.g2server.cz
downloads.hades.gigant.cz
downloads.hades.gigant.cz
cmkus.gigant.cz
cmkus.g2server.cz
exchange.gigant.cz
mysql.mn501.gigant.cz
check-mk.gigant.cz
cmkus.g2server.cz
cmkus.gigant.cz
cmk.gigant.cz
mail.gigant.cz
mail.gigant.cz
vipm2.gigant.cz
cmk.gigant.cz
mysql.mn501.gigant.cz
mail.gigant.cz
exchange.gigant.cz
check-mk.g2server.cz
mysql.mn501.gigant.cz
check-mk.gigant.cz
cmkus.g2server.cz
phpmyadmin.hades.gigant.cz
mysql.mn501.gigant.cz
mc.gigant.cz
mysql.mn501.gigant.cz
exchange.gigant.cz
downloads.hades.gigant.cz
exchange.gigant.cz
cmkus.gigant.cz
check-mk.g2server.cz
check-mk-us.g2server.cz
mysql.mn501.gigant.cz
mysql.mn501.gigant.cz
mc.gigant.cz
hades.gigant.cz
check-mk.gigant.cz
mysql.mn501.gigant.cz
cmk.gigant.cz
downloads.hades.gigant.cz
vipm2.gigant.cz
check-mk-us.g2server.cz
gigant.cz
cmkus.gigant.cz
phpmyadmin.hades.gigant.cz

Certificate

The complete raw certificate details for cmkus.gigant.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArQgOCbKkqx+AbI4z7903
PDE2aqyej0w5sG7fv+xZ0HzfRnChJBDRS1lsgzREscAa2BStKz75upwZnKbZXFVF
7SMel4sflytMHTgfmgNjFYZtcacIV6/LWjEAFU5EG7ezo6cv6WhHthCj2srNlakJ
kBmeerIZyh7wv/hbrWWuLZo7VuD0693zn8IdjxXnu+yv49Wits32GR7EXFrfDfhS
rbZZd2ScI0dilRXoMkTzDeKJcQ/USYSup2zYgTESPB4hsNvfdWdsc7KWHKbAc5kw
NbyB/79pqedZ6bwbXbd7hg8yXBOOhMmdesQEK/W49KpoPgI7kFts9VZ/OOenlOZV
WQIDAQAB
-----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 270840462400198358532897159140171094242440
 . . . . . . . . [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 2016-10-11 09:57:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-09 09:57:00 +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 'cmkus.gigant.cz'
 . . . . . . . . [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 21843198746539882132571425696212307041341248448799721952925732378637646103228548589921789772218281555831358979199671697170889116394180207222543184070314149552943700354241910463440540662777537584052177637395640774292788594659444083316193290246384442792697167239895535586543104641833465219370868722738586094796970774620747423020660432891143218958805771543691457005120303401056825080361488516720063500410780763269607862630352067074596407040965582540520123948169412177838518909460133786057054064334997481602410656682398557551379735928945351126594247479566551392633406788150648424104514502856170258632819948719625862534489
 . . . . . . . . . . . . . . . . . . . . [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)
							26a3428f15984049920def960e3d8647bb4d3d1a
 . . . . . . . . . . . . . . . . [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 (100 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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cmkus.gigant.cz'
 . . . . . . . . . . . . . . . . [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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