vit4u.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3b:3f:b5:8c:1e:4d:72:a2:e1:18:c1:e2:fa:80:e5:af:53 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=vit4u.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3b:3f:b5:8c:1e:4d:72:a2:e1:18:c1:e2:fa:80:e5:af:53
Serial Number (int): 281498201455020112107141644927104906014547
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8b:54:49:4f:a4:a8:d5:07:79:5b:45:82:82:6d:98:89:f2:91:50:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:c1:8a:63:e1:17:e3:16:11:de:e3:d8:07:a3:bd:c2:d2:c1:a3:c7
Fingerprint (sha256): 72:31:e2:47:45:a3:88:40:df:ab:01:b3:94:52:e9:d6:79:35:32:71:e6:4f:dc:70:7c:6b:80:c6:7d:9d:f2:16

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 vit4u.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for vit4u.co.uk

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

vit4u.co.uk
www.vit4u.co.uk

Other certificates including the domain name vit4u.co.uk

(limited to 100 certificates)
monitoring.millennia.cloud
vit4u.co.uk
vit4u.co.uk
monitoring.millennia.cloud
status.configcat.com
monitoring.millennia.cloud
monitoring.millennia.cloud
status.opa.ba
porinimon.porini.it
monitoring.millennia.cloud
anchor.vit4u.co.uk
monitoring.millennia.cloud
monitoring.millennia.cloud
monitoring.millennia.cloud
anchor.vit4u.co.uk
monitoring.millennia.cloud
monitoring.millennia.cloud
monitoring.millennia.cloud
monitoring.millennia.cloud
www.vit4u.co.uk
monitoring.millennia.cloud
monitoring.millennia.cloud
porinimon.porini.it
monitoring.millennia.cloud
vit4u.co.uk
monitoring.millennia.cloud
vit4u.co.uk
status.chaosgroup.com
monitoring.millennia.cloud
vit4u.co.uk
monitoring.millennia.cloud
monitoring.millennia.cloud
www.vit4u.co.uk
vit4u.co.uk
testsite247.dynu.net
monitoring.millennia.cloud
monitoring.millennia.cloud
vit4u.co.uk
monitoring.millennia.cloud
www.vit4u.co.uk
monitoring.millennia.cloud
demo.webmon24x7.eu
monitoring.millennia.cloud
anchor.vit4u.co.uk
dashboard.flipkick.cloud
vit4u.co.uk
monitoring.millennia.cloud
www.vit4u.co.uk
monitoring.millennia.cloud
monitoring.millennia.cloud
vit4u.co.uk
anchor.vit4u.co.uk
vit4u.co.uk
monitoring.millennia.cloud
statuspage.siteflow.app
monitoring.millennia.cloud
monitoring.millennia.cloud
isitup.vit4u.co.uk
vit4u.co.uk
monitoring.millennia.cloud
www.vit4u.co.uk
monitoring.millennia.cloud
monitoring.millennia.cloud
www.vit4u.co.uk

Certificate

The complete raw certificate details for vit4u.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn4ZsQiRW//NuU05NkAer
tgZO1SCbBWjEHRZ2U7jhhQUz1F4enPdL6io41EHFBIINtWj9x1htNuCF9YjmMj/R
bi2EEvxs5jm40Pw7z/WWeWEzzqjWfjAWGiw9ajyTBDm0b5mefK+ZCpLpyLt9cSen
KczqjkyXNpq6G5XJLgbV+LDs2wbCh2Xbz4sjQGl7AHQ/Xvc9A7hPm2oq8RYnQQE4
vK5JWFAz6P7HSFKhBK8C/X4RhgqUGtf442Y1yPh6eU9ZmH3muo53HDu3mypvblgN
rkhQfsARUHjOMfYnNlw6Rnl4D30SNjMOksCvUDBicxBsPtUXr7OVenAPbX1T+SSk
xwIDAQAB
-----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 281498201455020112107141644927104906014547
 . . . . . . . . [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 2020-03-24 22:27:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-22 22:27:26 +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 'vit4u.co.uk'
 . . . . . . . . [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 20138176884352838775375062599752473506007544084065180267758214578150927210330362720572765912782888473371235790490511214226689106419282865636073591087398479343178776130019003048834481210359439857586495911623853464667880916716322186885840666784185964997642585722906116568026968227764071033862139781107104943996758922978519467573920048251615329090407978080586822909359008337394835984614909475832675060560278000898636571637105746598871740444190739686849698637542727929133416929667798486933676309006715519533055787668202809682490467055711404664658417882349925262350552787711975943478011273882060607340147473291641641804999
 . . . . . . . . . . . . . . . . . . . . [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)
							8b54494fa4a8d507795b4582826d9889f291502b
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vit4u.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.vit4u.co.uk'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001710edf48010000040300473045022100b3ad98fa1a11368bb14f3d8a69b849aa4b5355396f058cc3d431b5680fbd37260220423d410e602eb9680dcb9e24794775b84b6eb9de6cdbcf2e41da36a3b1ec95b700760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001710edf482b0000040300473045022100e71e922946f5a8d281d2cd5151a65c6d763b377af81f8cc5bf2ccb040323f9f902200eb2eb4c301d57c85003409e87d5c88177a707e7e4a879cc660547f02ed64ffb
 . . . . [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)
		000aa5435d360f6fc0b01259d22da7675eec12f2208152e1c7389c427ee4be66c170bf049e4b06939d3d345db9249f05a28f38f215b739991bc80950d30608b36ce82797cb58e6f748e4a84f487bbd9d224a0a2cabb4cfca711d0a1c6208e76f2b74fa578a14b64075244bd16629f2284add01cbd2697d41dd4fd70e727c76a2397eba4ffbd373fb676e99d934c83aa66181179d4ae09f51b5f7a034fb761fdd9331c117a6e307d260bbad8deec22256e0459616fbdbecee6c059ba393e90c1eba01a849805bf0c0bd2137210709df48713c706e5d8e874cb3300b5c78e7efc2922343d8235b60d06ea07d1b7cd3c4e4e28dd544777e209719e7b603c4512fb67b