DV SSL/TLS Certificate for webmail.nyws.org.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the webmail.nyws.org.uk DV SSL/TLS Certificate

This certificate with serial number 05:83:94:bc:58:1e:2f:48:84:cb:89:f9:90:ea:63:ad:79:3e for webmail.nyws.org.uk was issued on by Let's Encrypt.

With 8 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for webmail.nyws.org.uk provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:83:94:bc:58:1e:2f:48:84:cb:89:f9:90:ea:63:ad:79:3e
Serial Number (int): 480336123407873267505608048093896379300158
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 51:19:45:8a:b4:e9:e6:c6:94:1b:4a:c4:96:29:42:8b:65:5f:ff:c1
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): b7:2a:66:59:eb:59:b1:cc:7c:66:67:91:15:5b:44:d6:da:42:d0:a0
Fingerprint (SHA-256): 94:17:11:79:ae:5d:7c:11:dd:17:e7:76:f8:a8:6a:0e:24:52:d7:91:48:44:ca:1b:b2:07:6a:72:d1:6e:7c:7a

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/63.crl

Check the revocation status for certificate webmail.nyws.org.uk
8
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for webmail.nyws.org.uk

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

cpanel.nyws.org.uk
cpcalendars.nyws.org.uk
cpcontacts.nyws.org.uk
mail.nyws.org.uk
nyws.org.uk
webdisk.nyws.org.uk
webmail.nyws.org.uk
www.nyws.org.uk

X.509 Certificate

The complete raw X.509 certificate details for webmail.nyws.org.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxeYpT4Em2rhAEjZa9Yso
aF8d/d5fO3hA+HjrrfPjtUG4K9+RraGrSf0aU55d8EaUXNs39Q2GvpyDtgueNHvk
ckdzflIL52es4rBxVudowgoYRCCI1De4/YVxUJs0ctRSi+z43WsKo0jQrDSpBvJX
3EQ//Zn/Z4evCxXTR0Jb9gL5gdRnJcSAqdWJgULJdXBfwrjlhnbgIrllWUDfRmcv
+8HBQi489M4704jpRkHKUeX5MHzYn/gq5HXPJyaEQ4u24oK6AXBRWTYE8sOzDMKI
qqFZ5DWOmOpUUuwF+PPnvpIJaPFLvQKWFyXEtTb0YXz1AVs/vnv6Z9QoiY4AZ2cx
+QIDAQAB
-----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 480336123407873267505608048093896379300158
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-24 05:23:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-22 05:23:00 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'webmail.nyws.org.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
 . . . . . . . . . . . . . . . . [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 24982442879644646787755706233260996223311481632472113707662265514978349346618333479780227587517268566760014179465818778700083118000500058898608065616918688913002928604797120575335266803183854093691706099527883384060945965686659978122804033634656496766480627236656216690637299973398707255089787423445748145889953626140754921216360921659824197183208469496373344362236731600497744109686863395625673082913205142262746423027098197998751180533486750334981411083567254681100921062223179863031973589701340196170079659334732168576604561716605992405211926400600423168402636338732006420001725353034529449810660097257752716849657
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							5119458ab4e9e6c6941b4ac49629428b655fffc1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (162 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.nyws.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.nyws.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.nyws.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.nyws.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nyws.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.nyws.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.nyws.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nyws.org.uk'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/63.crl'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197a0994ff7000004030046304402204f655b8ab947576ead28ce3401b55abbbf665e4f5f71f3f0026d63b502be58c1022028f53ec7dee999c020d775c32240caced3cc803e24a52191102d88ff87dde92d007500ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197a0995f970000040300463044022015600dd419972c1444072dd0dae9bc1986ba3f8591b858d8cce3f09691d2ade2022017f82426b1653166a9004dab03bd62ee89c256f777f026466c6f8659f0cea689
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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