www.ilmontenegro.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4b:77:23:d5:14:dd:ee:50:57:0d:2b:38:b7:ee:8a:cc:92 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=www.ilmontenegro.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4b:77:23:d5:14:dd:ee:50:57:0d:2b:38:b7:ee:8a:cc:92
Serial Number (int): 287016399498046071526469152545586117528722
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5c:8b:c4:20:f8:da:21:7e:54:82:3a:2a:d3:02:ac:ae:b0:48:4e:6f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b3:78:bb:ef:8c:2f:00:29:9f:e7:ae:a2:e9:ae:4e:74:7c:0e:5e:fe
Fingerprint (sha256): 60:fe:aa:b6:17:c2:d5:dc:dc:48:ab:c7:8a:2a:d5:81:34:b1:0c:19:a9:66:77:f5:20:67:57:90:44:0b:0f:8e

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 www.ilmontenegro.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ilmontenegro.com

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

www.ilmontenegro.com

Other certificates including the domain name ilmontenegro.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ilmontenegro.com 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 287016399498046071526469152545586117528722
 . . . . . . . . [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 2020-01-31 06:50:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-30 06:50:21 +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 'www.ilmontenegro.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 668221231198126184645198933815865922558926526273152750401155507817212677934055199954871360656566248079986661708040132343413562741371837311640327064357054960231040739048600242469615499356547129467788821117122906639971228628724209478623670495587040609124596491069170629908216083106701195831576188720553747998570767026816001746603028630189168174704684884352711127221945209212143597422785596886791222516378513319834830945613770253419832143183686477062674488040781898748973145486289194655150582030132041322011939234022787124835485815525339499727235110453713672221435933740945495661769989953203281855889802512986778939791526236147836161599011311577521874874518054364629959012956234138958218392731076455950987579456590693354902142652607077969239596935121152583229488767969159384437931875439512419446000440866902171160711184649650998585244051923121372776165791134608365260388474481891775490764944250926130018267105844342979944555314931544558434669495709012853130674408319608051257656416516687099706043857277532371865453897556506589861597348597371749222348929344423509887781341902066519244053592262831355785639638873388457541698945243726340977061644444608798134749135878286405693404417230524723250350424103557208517946914512235001392340483323
 . . . . . . . . . . . . . . . . . . . . [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)
							5c8bc420f8da217e54823a2ad302acaeb0484e6f
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ilmontenegro.com'
 . . . . . . . . . . . . . . . . [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)
							00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ffa944e920000040300463044022077ceaac8746a53248bf05ca2c1ec6b5acf9d3ef54defad9e0ecfa9ff0c6bee5802203fff4a7f0e621aee9d89a5594dc11d9b9c04fda0f1dabc21e1f471b232c4a2fd007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ffa944e9e00000403004830460221009fcf73a7686b0e6e2888423c20b4f625ec8465a8f43ebeb783d7b7fcd62eb0ba022100b7b27c2b51740d96722d42d5feab8a98071c061df6ce11fb605bceb8e4097bea
 . . . . [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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