xb1.co.za

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5e:5a:07:7f:38:12:5b:c8:9e:22:58:91:23:4c:c1:f3:83 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=xb1.co.za

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5e:5a:07:7f:38:12:5b:c8:9e:22:58:91:23:4c:c1:f3:83
Serial Number (int): 293443069731856086132161326869266242335619
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 41:ce:f5:1c:fe:4e:87:bd:95:38:06:f6:0e:1b:1b:01:69:92:92:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4e:bc:9e:07:a3:6a:0f:61:e1:cc:20:70:53:0b:2e:c8:8a:b2:fd:89
Fingerprint (sha256): dc:d7:70:82:a9:1d:8b:85:21:2d:9c:2a:6d:39:7c:20:4e:9b:76:54:fa:ef:dd:8a:c1:37:3a:6d:7d:7b:4b:f5

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 xb1.co.za

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for xb1.co.za

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

xb1.co.za

Other certificates including the domain name xb1.co.za

(limited to 100 certificates)

Certificate

The complete raw certificate details for xb1.co.za in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGSTCCBTGgAwIBAgISA15aB384ElvIniJYkSNMwfODMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTgyMjE0MTRaFw0y
MDA1MTgyMjE0MTRaMBQxEjAQBgNVBAMTCXhiMS5jby56YTCCAiIwDQYJKoZIhvcN
AQEBBQADggIPADCCAgoCggIBAN9qC1Vl/yoiO8LtnZAbGvTvGv+tZE4P5F71B/Mt
zL0EYX0Bbj0M/FsBA+8OKDuzZjA18Ajq80bCh91jfZd/PP8bsASiQYvzY48OBNkp
n2YFiXzvoqkKT2gMkYhGWQoR42W9U9rkRrIdotG607Qf1M3nGcS0qdjHQ6adESyU
g3uaqZZtiZ6PueM+alFP5aj2VRuXEaycbWm6PN/x+ClIX8pHnrrMYi0EHvs3Vu+w
bo2E7UihSGK1kqOpJkyGwZF4SEqD/Akjokbz3rsKZn78PjEuCISjeufyoIwq5rn4
awh18zlYJdPmnMjjXijIV8/kRwhrmVOofnpIzHQFaHrGPaQLJdU5RLpry+htMj9K
kF4eIdqcB2xjeP/Xy2qC2+AeZ1F975MJk8qB42Y8onywm/MaU4gF4Rz0Idas/eua
5QSyi2kAYQroGS8Q2Wu6RD4s3YMzfQ9LhrZ4bnK+cPi9J85lkgAQeS4/2xl2tJvW
+Oq5Jr8ga3W6lk6XbWf4tgtZ75SBT9HFOvUn+7pd2pO6hC0uk0lE8Us8uE+bMkmD
Fm8NY4qSOw0uAAkH5bnTE+u1RKij9wI5MRX4OK45B6F7CAb0IuDKojkwvHerQSgu
qHd0mLOTdY+qBSas520F0vVviFHObfInjAO16CKY0lVMqxr/7ElUQeKTchkJHN+c
WXBBAgMBAAGjggJdMIICWTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB
BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEHO9Rz+Toe9
lTgG9g4bGwFpkpLYMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G
CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl
dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl
dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJeGIxLmNvLnphMEwGA1UdIARFMEMw
CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j
cHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAXqdz
+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFwWpShlQAABAMARzBFAiA6
gRH1SsczJlAhRFGdsdK4e8MGaxiujkSoCT7VUumAjwIhAONGVThgdevqT+ZHRHIG
GwtFW3WFXWS+cqgV2Ra/++j/AHUAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklT
Le+LkF4AAAFwWpShhAAABAMARjBEAiBlAPxbqYArO32aBT2ICN8ybfyyBSV1TF3/
s7R3EDvwrAIgTfv8mIQNp1EoXTzvgWpntlVd6o0S37mSGJe7BTfhTcQwDQYJKoZI
hvcNAQELBQADggEBAAm3Ek0s4DYsxNOLvBHPp1htGqtoIbtaLeSSTcUA0huaeIcB
24LHUfrxbYfs2eHrgkdMBw6VA7kJrNRJ3PCD6O/o/DRpR5tHdNqJJMu8A3emaBfK
Ez9ECruFA3KJm1U0QXtUD5fNEcrgfuXdWYy8EMymdkvtYRo//dsm8UzSOgr2ktbC
Iw+k46anQ8r7uvhu8G5txHaJCb+AsN3MDxApuFXONeNqQwTobw2jd2vv5gST2R2j
5DamdJQAU8zG/Q0UgjuRoyyJDUGPpjzBBlHchZOs0B9i5sKs3hB9nV4xQBxR/G92
QAe1ivgg8cXnjCScUAmp4vPjyZiLClR6lbCQXks=
-----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 293443069731856086132161326869266242335619
 . . . . . . . . [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 2020-02-18 22:14:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 22:14:14 +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 'xb1.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 911450560311084788353939429358994705862600738145931421661826991316226104835277213906798538835391521341621609955311815229735551386437694690175439569265310288520948683058589418978040367638615724705983473909746986555697555537308202974528043811137327001301043599572953235742598316947291435208539792016468939058513237441372727222094761886501109384964855923534790726457513675480991889457566344875113528178829792286143983620049756359072545624924854430080067030154223666306335712671888019880554432151646627359005839178102727116745716756453374241519072743722614248465642798285616294535593567156067887646217203163147660746782079038544993966183964288245470773767131840115053833002804689165396049918302331105837184803655914466169478911999253962865991803103690061586552167239340171152286641161054728932630747894582759209008640052639432675271391050349120537557833179792233336071037073126822174134867438044447196813047705709656350496043165717837280704968890155487988486541573762067594427599516428445835613785347124745533200208661839773087567739550495086814407872215714934180511702127395808460504442999068381631648911532031247875389661501636088114530889619160775078195835321339185587492283265643939343633558339800058227899453075807870462152970694721
 . . . . . . . . . . . . . . . . . . . . [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)
							41cef51cfe4e87bd953806f60e1b1b01699292d8
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'xb1.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)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001705a94a195000004030047304502203a8111f54ac73326502144519db1d2b87bc3066b18ae8e44a8093ed552e9808f022100e34655386075ebea4fe6474472061b0b455b75855d64be72a815d916bffbe8ff007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001705a94a184000004030046304402206500fc5ba9802b3b7d9a053d8808df326dfcb20525754c5dffb3b477103bf0ac02204dfbfc98840da751285d3cef816a67b6555dea8d12dfb9921897bb0537e14dc4
 . . . . [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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