alumni.mazars.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:e5:97:e6:84:a6:d0:9d:12:e3:b0:1d:c6:16:3e:1b:9d:36 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=alumni.mazars.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:e5:97:e6:84:a6:d0:9d:12:e3:b0:1d:c6:16:3e:1b:9d:36
Serial Number (int): 426575716098071385458759013378413786012982
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 83:94:b1:8f:a6:de:9d:51:58:86:cd:81:5b:42:f8:9b:4b:9b:6d:89
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 33:04:3c:9e:2a:eb:db:38:41:5a:b4:92:24:58:57:1c:b8:9e:42:95
Fingerprint (sha256): 89:bb:f6:b7:45:5d:2b:65:f0:c1:d0:b0:d8:8e:85:eb:d1:96:f0:9e:62:3c:4a:7e:c5:cf:e6:a3:8b:fb:2c:8b

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

Revocation information

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

Check the revocation status for certificate alumni.mazars.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for alumni.mazars.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

alumni.mazars.co.uk

Other certificates including the domain name mazars.co.uk

(limited to 100 certificates)
mail.mazars.co.uk
forms.mazars.co.uk
*.mazars.co.uk
my.mazars.co.uk
www.mazars.nl
access01.mazars.co.uk
mail.mazars.co.uk
www.mazars.fr
graduates.mazars.co.uk
www.mazars.fr
pavpn.mazars.co.uk
investment.mazars.co.uk
schoolleavers.mazars.co.uk
*.mazars.co.uk
secure.mazars.co.uk
investment.mazars.co.uk
mail.mazars.co.uk
www.mazars.fr
investment.mazars.co.uk
mazars-proposals.co.uk
jobs.mazars.co.uk
www.mazars.fr
investment.mazars.co.uk
investment.mazars.co.uk
Citrix.mazars.co.uk
my.mazars.co.uk
secure.mazars.co.uk
mail.mazars.co.uk
mvd.mazars.co.uk
investment.mazars.co.uk
alumni.mazars.co.uk
access01.mazars.co.uk
Csg.mazars.co.uk
www.mazars.fr
graduates.mazars.co.uk
www.mazars.fr
*.mazars.co.uk
sftp.mazars.co.uk
investment.mazars.co.uk
webmail.mazars.co.uk
lyweb01.mazars.co.uk
*.mazars.co.uk
www.mazars.com
access01.mazars.co.uk
pavpn.mazars.co.uk
my.mazars.co.uk
access02.mazars.co.uk
www.mazars.fr
schoolleavers.mazars.co.uk
www.mazars.fr
mazars.co.uk
www.mazars.fr
*.mazars.co.uk
lyweb01.mazars.co.uk
access01.mazars.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1Vstgvo6NZvJzMlFPdhW
nGiRE8uci8ofgant+PLLlWgnwo0VhLPWWlOnC9Fb0hR/ZpA8AM58f4y3m5vSfIzQ
2HTAcyZdCOQMoFitJgSbJJroB2cFyzRtnSha78Kg4bq9SgqEBq3EYEF/2utztmpW
r9DAW6PNdIS5Jgspf8c/Gw5ToZLrHz+1IAce6pTBPAJC1pGRJx1/sOnjQfb8zLjr
vWRDbpqwhsjKmFh5Ew2Vu9ZD8ZIU8EK/8mb8YeW2mj5mGQf5cGcbryOZm5DpLsNG
1jWYF0lY/aYwUPRd+8r1KeyVZqueeDpbvbhLr/zenUNBpkHM8V/1oOqCxJq4uWMS
/wIDAQAB
-----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 426575716098071385458759013378413786012982
 . . . . . . . . [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 2024-04-24 11:07:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-23 11:07:14 +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 'alumni.mazars.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 26933720396729240844644663808502195086541351521127774381101218960983779816033105901582834676671878018163649191626532297093689216762565312262539442949926566700072232588144774976062921279547559713492248543285912356171848623952536647508485415419302901365973274345134014654962881782020826803467172722954866156802912157059645357296627781795857318669678350044177580058335524597158932508064459115821589348119386371520389414254953151106648889131087983107177008324185505832966935805519615532115619770920022312975778295714560839059248443234611034828397386860381295700439291467214356400211628514625427523705283075896450641761023
 . . . . . . . . . . . . . . . . . . . . [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)
							8394b18fa6de9d515886cd815b42f89b4b9b6d89
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alumni.mazars.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f1000c11e0000040300483046022100cac2d0fade0eadd4823a18e4e31f4031885f5ab697c7e2ff4607890fee4541ce022100cd8860793de9e06a99b619d00fa664368a4f43d73e02d23c9cbe2e820269e74c0076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f1000c19a0000040300473045022100e867221b5ced7e674d89ae8b5472dcc7f9ebd84d62849e98e5820383c43dc18e0220702a20154733ec0803f65437d9a68cd859987ea325441cb44e665e30dff44cc4
 . . . . [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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