mail.infostream.co.za

Issued by R3

About this certificate

This digital certificate with serial number 04:1c:33:ed:2d:05:0d:18:1a:83:45:ab:b4:b1:e5:50:64:25 was issued on by Let's Encrypt.

With 11 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=mail.infostream.co.za

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:1c:33:ed:2d:05:0d:18:1a:83:45:ab:b4:b1:e5:50:64:25
Serial Number (int): 358046072116076392448583054241664634741797
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 90:9f:a5:42:f0:21:f6:98:47:c8:1a:6f:48:75:c5:aa:93:1f:c8:8b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e5:95:e8:c2:e9:ed:6b:ff:d5:de:bd:0b:35:e2:8a:75:14:96:5b:f5
Fingerprint (sha256): 9f:9f:a6:c6:d4:0e:39:2c:c7:59:43:d7:a7:6b:51:01:41:b4:cb:36:11:5e:91:90:ca:68:8e:b7:98:7e:9f:ad

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

Revocation information

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

Check the revocation status for certificate mail.infostream.co.za

11

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.infostream.co.za

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

mail.infostream.co.za
mail.paruk.co.za
mail01.infostream.co.za
paruk.co.za
pop.infostream.co.za
pop.nofrills.co.za
pop3.nofrills.co.za
secure.infostream.co.za
smtp.infostream.co.za
smtp.nofrills.co.za
smtp.paruk.co.za

Other certificates including the domain name infostream.co.za

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.infostream.co.za in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1rk4jHdy+EGzjzCFLgsZ
jJ4FZY3dBW0fsGh6oc3ZvriJe4L7XndUUgWPNVrIVFDOfkgHzFQD41ry7Iaj699l
eMDX+Rc/XZyKLh7Le5vsItE9YQ2UPHNfL+QqVyFQHiSgmSV47AoEkBGmIw67Zdr8
uFEcJW5j9UbOw+2HlUz5nn5EBVUaQMn8VcJF78aS3PCREG+bZxfHIGH8UiqE3Gny
neP8+yqNoiTgTh52YYxeK/7eWeZ8yJtNX5/SV4tvscsowgt94TMf8GYS0RKOd7fP
9VgBoLLikT/guLb8UUUv3RJHc+djepgMJvhdqzOH4DP48lBaP8M3LXKPV61hcOyD
rQIDAQAB
-----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 358046072116076392448583054241664634741797
 . . . . . . . . [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 2021-01-30 20:45:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-04-30 20:45:57 +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 'mail.infostream.co.za'
 . . . . . . . . [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 27106333089380401023418583433014304699463053698885568528048328120488740833230257657997912461528836031298208824529698564005315272721360480253017364585247433322214249328570804781111369283172353402779407868172645722898474815939620507194046142650907220664002924482899768339848076155290671378204853151786443319740203266202860656752665300328243158178550182920664629261834138888526877121661833073880921929078084204083777463712927072120906547299183723487072050189758640103974028583634398624661652814218714143799790152974855166869465074038105155600969910209763413785093403899244910499575160194675982152607525849265341152920493
 . . . . . . . . . . . . . . . . . . . . [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)
							909fa542f021f69847c81a6f4875c5aa931fc88b
 . . . . . . . . . . . . . . . . [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 (232 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.infostream.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.paruk.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail01.infostream.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'paruk.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop.infostream.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop.nofrills.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop3.nofrills.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'secure.infostream.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.infostream.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.nofrills.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.paruk.co.za'
 . . . . . . . . . . . . . . . . [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)
							00ef0075004494652eb0eeceafc44007d8a8fe28c0dae682bed8cb31b53fd33396b5b681a80000017755428115000004030046304402206e85f3e2def7a7df36ba98e7ea714a5fc4e8c064de2175b73d0cc5919e35cbed0220045acb867608420ac274dd57aa504cf5d77fecec2931be2cc1f96f31856deb99007600f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e300000177554280fa0000040300473045022100cafbf815625ef12209eb2445917a1472eed536fc5b5f10cd0294afb52e73ca43022016437b8adfb22aa15be3d75577639b37681aa3341de6da15cc29ee25f29d32fe
 . . . . [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)
		00a6688821807c9d3b9a20b7a85b933eaeb07b1222a3d2f0f37cbeeb030f228b42566263ce9539026ffd9c6a70de09c1b3427f719a9bb4ae9b456a392a2face8accb1c4cb338ad29613edf351a7e04421c5b8d1d3ef38f680513ccfdea493ccc494f269aa7b3b706f79441580b376eafec695db5e9262cdaeaaf67563c56c9862bd7897e019c3624f0dc5e4790bed336bbee8dd36db23f409ba44579a17c94c952269e5c8b2a536c37e352db7e8d63ae44f70d507c2249dc9e874620f722aecc7c3906430a25bf477fcdc8d364e48930a4a4e5d5ba9141835ddf0682d935e466a3c800698051c8c3c782dfbeb776c52722b4717bae8618c89045e72ada347d99d7