DV SSL/TLS Certificate for kmail200.isync.io

Certificate is witin its validity period

Issued by Sectigo Limited (Sectigo RSA Domain Validation Secure Server CA)

About the kmail200.isync.io DV SSL/TLS Certificate

This certificate with serial number 48:7b:7a:3c:ed:40:0e:a4:96:08:78:4b:88:f2:fc:00 for kmail200.isync.io was issued on by Sectigo Limited.

With 2 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 kmail200.isync.io 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)

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 48:7b:7a:3c:ed:40:0e:a4:96:08:78:4b:88:f2:fc:00
Serial Number (int): 96345547491200510736357265555644939264
Serial Number Length: 127 bits, 16 octets

Subject Key Identifier: 78:1a:7c:53:60:59:13:47:a8:bf:33:c1:7c:5f:ae:93:74:6f:61:c3
Authority Key Identifier: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (SHA-1): 70:6d:38:2c:3b:91:1c:9a:a1:6c:6e:19:20:f8:22:f8:cd:ce:dd:da
Fingerprint (SHA-256): 25:e1:bc:95:19:fe:83:59:48:56:df:5b:1c:9e:c8:b0:1e:61:7c:6e:af:39:6a:21:a0:af:d7:9c:4b:83:d8:c4

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation Information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate kmail200.isync.io
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for kmail200.isync.io

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
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for kmail200.isync.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyu4ziZXPZbktNN9fBPo2
vXfBfbqwJ1FG1hGjW0XoNMfOhZUre3sNQhCU0Hl5P6db2EseZB3m7zq4dIBAMbat
uY9Q4ZmmDvCTTO8Orwb7YDp3wffKhSs7FsF1NTMTYoYs092YsbhWiPz/Yj+I8gqR
z6XG3/kl48WPIDjbQmCji+ZmXHnn385sVmaNDbmnB6vIB97wb1+PP/jc4YR1hstc
JkTgNJd5o6yKxEtnG8xff4w2nQlyOVlOhIYYmcEBMhABx3DxHYvEdxkKh6ArY17R
dJHB/BnBYkUuXXPhcCujxMVh2rHBO+Qd6bJE2QAnYDAaqq1Dtf/0BC71VZtMLyRP
WQIDAQAB
-----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 96345547491200510736357265555644939264
 . . . . . . . . [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 'GB'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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 'Sectigo Limited'
 . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-02-16 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2026-02-16 23:59:59 +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 'kmail200.isync.io'
 . . . . . . . . [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 25617599050963574754446313103200651281322039209201642504498341611674947999037046640635020873314364726950029020366733242364867114294506933694180795764230035865456570546431002531322982359387512000070933264973393446721948207240644794292016273391709615350294277537553749388573607967392988058914021977745956207322177428109444720937141972690135358362887864229300768704619155680518807615646996254927401054790031235786524835892415422718293429466658351863285430041665292971091631472514718007829214237656842709034036634182159203874656580389260430811218607344959865116053178882478565217270591868543106656846443746697765854662489
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							781a7c5360591347a8bf33c17c5fae93746f61c3
 . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 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://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kmail200.isync.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kmail200.isync.io'
 . . . . . . . . . . . . . . . . [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 (368 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (364 bytes)
							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
 . . . . [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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