square28.com
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number 28:18:32:60:98:52:c4:01:93:a5:85:74:04:ce:ce:76 was issued on by Sectigo Limited.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=square28.com
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate will expire on
Certificate Details
Serial Number (hex): 28:18:32:60:98:52:c4:01:93:a5:85:74:04:ce:ce:76Serial Number (int): 53294756729527033755103913656638688886
Serial Number lenght: 126 bits, 16 octets
SubjectKeyId: a0:69:d7:1f:82:f3:76:28:33:0c:f5:4c:fb:6d:49:57:49:a8:fd:c9
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): 37:e6:71:3d:fe:21:1a:f7:41:bf:f9:4b:da:76:f0:52:e1:70:1b:a7
Fingerprint (sha256): ed:15:97:f8:49:b4:20:24:3b:6c:2c:c6:fa:75:b7:2e:b0:6c:11:7f:89:7c:0a:e0:56:0a:f5:59:7a:2d:58:24
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate square28.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for square28.com
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
square28.com
www.square28.com
www.square28.com
Other certificates including the domain name square28.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for square28.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGNDCCBRygAwIBAgIQKBgyYJhSxAGTpYV0BM7OdjANBgkqhkiG9w0BAQsFADCB jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB MB4XDTIzMDcxOTAwMDAwMFoXDTI0MDcxODIzNTk1OVowFzEVMBMGA1UEAxMMc3F1 YXJlMjguY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuPlWtrTD N+AwlH/ipQmoiRdbedoH5RuiCMU2KMKev1UHzKAfruY3n90MwshMtziexA7sjjq2 BRjrQETwTFfTfeWiQpJFj8fIw/GOJGij8Cxc0W8Uh6na9+rwAzH/pRGfhj0fJRur kKRmn5NzgtlHSWKDafRuedsbfkFXx870lhxXfYhnRFSfkyYreFzyUhp/75fW/vfF kbHoC6TV0IYjYp1Am9GynU4u4VZqQRNJyXGnVUqQmsTzvzGAVfPQ2lBbuNf0YY9+ MwUMQaGzGjQGET7As4mjPzA+Fh4/LGOoHgqlwYEf4cndaivJnzDr1ztTTm9BqEmj pb6ttBhcJT3TJwIDAQABo4IDATCCAv0wHwYDVR0jBBgwFoAUjYxexFStiuF36Zv5 mwXhuAGNYeEwHQYDVR0OBBYEFKBp1x+C83YoMwz1TPttSVdJqP3JMA4GA1UdDwEB /wQEAwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjBJBgNVHSAEQjBAMDQGCysGAQQBsjEBAgIHMCUwIwYIKwYBBQUHAgEWF2h0 dHBzOi8vc2VjdGlnby5jb20vQ1BTMAgGBmeBDAECATCBhAYIKwYBBQUHAQEEeDB2 ME8GCCsGAQUFBzAChkNodHRwOi8vY3J0LnNlY3RpZ28uY29tL1NlY3RpZ29SU0FE b21haW5WYWxpZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3J0MCMGCCsGAQUFBzABhhdo dHRwOi8vb2NzcC5zZWN0aWdvLmNvbTApBgNVHREEIjAgggxzcXVhcmUyOC5jb22C EHd3dy5zcXVhcmUyOC5jb20wggF/BgorBgEEAdZ5AgQCBIIBbwSCAWsBaQB3AHb/ iD8KtvuVUcJhzPWHujS0pM27KdxoQgqf5mdMWjp0AAABiWwHj6EAAAQDAEgwRgIh ANX+VtbILpFbbez2Y+1dboNYzH0iGO7tzZSlF624Ws+eAiEArE/TobEnyq6DVYfW /e7G07URH4QzECLkn3m6Xh4RY0oAdgDatr9rP7W2Ip+bwrtca+hwkXFsu1GEhTS9 pD0wSNf7qwAAAYlsB4/0AAAEAwBHMEUCIBGV2QrsjPgt9zfKL0rIpJnqzx5uc7MU 3Y3iOk/jiqYsAiEAvWveJQT3u4UDMySYLoteorvn9YztljAW+d7madnsNDEAdgDu zdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAYlsB5ArAAAEAwBHMEUC IQCIWAMitl8kAbihM5oe9Kx7h5LoHPjw9zNCS/jH25BGIQIgOpgCnV6Ku3CobFB8 //7I4l16sYgxvrbLK34LVTvo728wDQYJKoZIhvcNAQELBQADggEBAIG8PzCyU8t6 DfhDPj1Dcfn3xCMbcg0gxnOVDu0+TpEZLwDOTQGWolct0ja7JO8e7xt9FjOqz/yw cmWn657DI2XHWFR8HWIihRAsqJGHE+LLWYMG+dZYYTpq08cCPkPntNLG6R972OYp XBqX3B47T7LJxPwK5qFJQu2C49D9+T+xkuqSvpiasSXAhwahwzjP5cSyIOJbzOmL Kosfc7T71jE8Mw/Zw9soWHw+gwnS622avpGjkIwWeiEEa7gCGWwOi775cy1O+I4G EjfDTjSAN905639/6ydBzMryMfSVSZVXTez9qQ7D3qnuoEIO8AKXjd04Q7c02M/W NJxHLo6zC54= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuPlWtrTDN+AwlH/ipQmo iRdbedoH5RuiCMU2KMKev1UHzKAfruY3n90MwshMtziexA7sjjq2BRjrQETwTFfT feWiQpJFj8fIw/GOJGij8Cxc0W8Uh6na9+rwAzH/pRGfhj0fJRurkKRmn5NzgtlH SWKDafRuedsbfkFXx870lhxXfYhnRFSfkyYreFzyUhp/75fW/vfFkbHoC6TV0IYj Yp1Am9GynU4u4VZqQRNJyXGnVUqQmsTzvzGAVfPQ2lBbuNf0YY9+MwUMQaGzGjQG ET7As4mjPzA+Fh4/LGOoHgqlwYEf4cndaivJnzDr1ztTTm9BqEmjpb6ttBhcJT3T JwIDAQAB -----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 53294756729527033755103913656638688886 . . . . . . . . [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 '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 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [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 (localityName) . . . . . . . . . . . . . . . . . . . . [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 (organizationName) . . . . . . . . . . . . . . . . . . . . [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 (commonName) . . . . . . . . . . . . . . . . . . . . [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 2023-07-19 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-18 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 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'square28.com' . . . . . . . . [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 23350801621776655652786619786285485074319843784360935349571960972578207268408391315683642672253328847658773819728519986323888579630933982419895091608135149083277299612381459463826370750918361242844184201771350619049929892573772584697380274837773462134544647255185435716283849005757794836785194961898884378568326441159517098491689460272032275802302521662462177508740217353893554952018010911818284834239460187930213098567126732761093989797611558467439348588765443511472558170440924786227463607057116900610265052842964887241353765297787923410870120117264824500677280422750855582718018955219011167448993469348277349372711 . . . . . . . . . . . . . . . . . . . . [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 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [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 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) a069d71f82f37628330cf54cfb6d495749a8fdc9 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [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 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [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 (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 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'square28.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.square28.com' . . . . . . . . . . . . . . . . [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 (367 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (363 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 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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