www.glasgelander.akisgroup.ro

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:47:a4:32:ba:c8:94:97:23:ab:3e:73:a1:16:e3:16:6d:f8 was issued on by Let's Encrypt.

With 2 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=www.glasgelander.akisgroup.ro

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:47:a4:32:ba:c8:94:97:23:ab:3e:73:a1:16:e3:16:6d:f8
Serial Number (int): 285715162641238829070066554024644404735480
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 60:22:13:ea:00:2f:e9:3b:5e:0a:00:b5:dc:fc:d8:04:d5:c3:3f:b9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): af:37:7b:59:de:3a:90:7a:dc:59:93:7a:19:3b:c6:82:c7:79:63:23
Fingerprint (sha256): 4a:2a:10:91:f6:36:b4:80:2d:d9:e6:13:0e:9c:39:a5:2a:1c:34:98:e9:62:2f:3c:9f:da:5b:70:be:16:30:eb

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.glasgelander.akisgroup.ro

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.glasgelander.akisgroup.ro

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

glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro

Other certificates including the domain name akisgroup.ro

(limited to 100 certificates)
www.glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
structurigroup.ro
akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
mail.akisgroup.ro
www.glasgelander.akisgroup.ro
www.akisgroup.ro
mail.akisgroup.ro
glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
structurigroup.ro
glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
www.akisgroup.ro
structurigroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
www.glasgelander.akisgroup.ro
glasgelander.akisgroup.ro
structurigroup.ro
www.glasgelander.akisgroup.ro
akisgroup.ro

Certificate

The complete raw certificate details for www.glasgelander.akisgroup.ro in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyjBYtbnz30sPxIQQPKnW
hV4GT7zOJQOQpwGR2AIzn/zEE6RzG+RStg4WgD68lNdrg93lpJcU8xs/fhw2rBXQ
ZHghb6xcRRE2X3PodcaB0GczvPhFsRpq+HCy32xZc5FT8fWdAMb0UrCSsR/iQWci
T8T+vGkpnWYiOxKam3FFuSm9M5ahnn1BNq1h4vJbAfHoNKQA8FkvDd5PBIRDrmgQ
qBJfoZ3Ma0mQT6nM86G7S/qtf1cemcEavjhpc2yJw1Djaob3beldv43P4dXTCDwc
d6ENnD9kKHXkQB6o6OGSpIj8n8rlMbfd0YnAUo+CSYkR3E5APThkLfCKLLl45GWY
SwIDAQAB
-----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 285715162641238829070066554024644404735480
 . . . . . . . . [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 2016-09-12 21:38:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-11 21:38:00 +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 'www.glasgelander.akisgroup.ro'
 . . . . . . . . [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 25523978162147695574348218323810640897408995171472335360862811368332463421357627103004146596591233299867409389852006016219887618300729445006543903631381108993380900078645196214784220108974274481670499815753584785871868116216654379340168231120282350386834110174248792610506157212283617993818326035899565073464793148914864803732859469871527744237278692468184772304328918288833972608563334101714974723599490426396934106846338136593539149078182023905652323315364312613719681062616656452258739967365800551957807517704686150276810910246313746510357513923660271872850149120282053385811182972704561508865211668008035219249227
 . . . . . . . . . . . . . . . . . . . . [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)
							602213ea002fe93b5e0a00b5dcfcd804d5c33fb9
 . . . . . . . . . . . . . . . . [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 (60 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'glasgelander.akisgroup.ro'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.glasgelander.akisgroup.ro'
 . . . . . . . . . . . . . . . . [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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