minedownunder.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:50:c1:43:79:1e:65:64:6b:43:e1:e3:6e:d5:82:a5:64:72 was issued on by Let's Encrypt.

With 9 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=minedownunder.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:50:c1:43:79:1e:65:64:6b:43:e1:e3:6e:d5:82:a5:64:72
Serial Number (int): 375928624424371860562886504146174791214194
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c1:85:58:48:e1:51:88:bc:2c:b3:50:05:a9:8a:c0:56:8e:b2:dc:5a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 19:d5:2a:f0:dd:37:cb:1d:d2:4e:da:c9:01:51:51:81:06:03:fe:57
Fingerprint (sha256): 30:89:01:b7:1d:07:c9:26:df:8f:e8:98:7f:85:78:b4:b0:57:56:4a:25:c8:fe:1e:0c:c8:76:51:25:c9:88:22

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 minedownunder.com

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for minedownunder.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.minedownunder.com
cpanel.minedownunder.com
mail.minedownunder.com
minedownunder.com
minedownunder.ipvanquish5.com
webdisk.minedownunder.com
webmail.minedownunder.com
www.minedownunder.com
www.minedownunder.ipvanquish5.com

Other certificates including the domain name minedownunder.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqEzQ2f2pBKxQMQdttcrL
ljBLpJBN29DQIp1t2UxOZxiLZ/6B0MiknpHyTzaQekSo8+2Vdw1IjNeQHxW40YS7
URk1xubce4Yx0u2Vb2eXbAIgwTbTURSk/jljzhGI8EAsxsvm8uRtjPzloIZW85Yj
4Ti8JC5Ewf9N1NhYNSN6eIiFLozMXPOi1KQhdNDh7hUnFsYMBkb+if5hOgrqBzMZ
xeyzn30nYQ4acO4l/Dt9DPMoOGyUSo/sjWtj/5w7F6pxaL7tDh0LFcfbdJjXt7ip
ggri2IhVKsGQ4iMJTlIMXbsfwPXyVERg/E0+XCMLuwmKsAOVQthgdIr7Z+0y2noq
6QIDAQAB
-----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 375928624424371860562886504146174791214194
 . . . . . . . . [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 2019-10-01 18:52:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-30 18:52:52 +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 'minedownunder.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 21245914530015502617549410607947087687754372097923886301265872549930103924708380133774616003486655768994136582318653719327675891656502841476289770524342780671054649781295028481046332519060023987344434514281557990564975345617713721751877452263623720925588802101632578131445850620669887984612065798600010675364521284354753034426799234407235327428567065046875664089463078488825562345353063389552660434375984869838201868483774972069331181931728483850630588517667357695646523525992744358632868510206175394910787007428724664524204236216845771556755244031000858280013723721193382863929466307590973198826564437558554810526441
 . . . . . . . . . . . . . . . . . . . . [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)
							c1855848e15188bc2cb35005a98ac0568eb2dc5a
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.minedownunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.minedownunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.minedownunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'minedownunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'minedownunder.ipvanquish5.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.minedownunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.minedownunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.minedownunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.minedownunder.ipvanquish5.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016d88e1f52d000004030047304502207b2996eb3c0988b1c483dd0a4e56ced2f834477cabc2aaff2caee1a9e6573c33022100e1fdc655e3437ea3b5039e9a4a5ba3aa190e32ab978b1a6dbfbe90f6e59096be007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d88e1f6ed000004030046304402200fb632b25be5f8f4cc99f3f8f4cd558e9a98cc6bf7cbc5cdbfa092a1164ce1ec0220711b3da4e4efa5674ec5b931d9710562222cb33f03ecfffa4a8c520bb27aa92f
 . . . . [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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