www.london.northumbria.ac.uk
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number cc:48:60:e8:90:47:db:b4:6a:4d:67:c4:fc:d3:f5:db was issued on by Sectigo Limited.
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=www.london.northumbria.ac.uk
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate has expire since
Certificate Details
Serial Number (hex): cc:48:60:e8:90:47:db:b4:6a:4d:67:c4:fc:d3:f5:dbSerial Number (int): 271538322050845712205117759595987858907
Serial Number lenght: 128 bits, 16 octets
SubjectKeyId: ac:7a:9c:58:bf:e1:ab:a6:d8:66:fb:26:b5:29:3b:f1:c8:40:5b:82
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): e2:a2:51:8e:34:6a:23:0b:6f:65:87:70:ec:31:4f:fa:80:e1:0e:0d
Fingerprint (sha256): 09:67:1d:94:d5:28:b9:09:4d:eb:0e:de:09:c0:dc:80:2c:63:41:36:88:a5:9a:57:85:cc:55:0b:66:ce:30:d7
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate www.london.northumbria.ac.uk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.london.northumbria.ac.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
www.london.northumbria.ac.uk
london.northumbria.ac.uk
london.northumbria.ac.uk
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Certificate
The complete raw certificate details for www.london.northumbria.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWzCCBUOgAwIBAgIRAMxIYOiQR9u0ak1nxPzT9dswDQYJKoZIhvcNAQELBQAw gY8xCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO BgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE3MDUGA1UE AxMuU2VjdGlnbyBSU0EgRG9tYWluIFZhbGlkYXRpb24gU2VjdXJlIFNlcnZlciBD QTAeFw0yMjA1MDMwMDAwMDBaFw0yMzA2MDIyMzU5NTlaMCcxJTAjBgNVBAMTHHd3 dy5sb25kb24ubm9ydGh1bWJyaWEuYWMudWswggEiMA0GCSqGSIb3DQEBAQUAA4IB DwAwggEKAoIBAQCuOlykaSS3hlthdJkq3C3N5Z2jbBtY+srKCVT8rsOga6iTu7Wb LD6O/K0QdS9N6zbr3HQxs+92lcLXdkV3Si1fSwouNQ96UPIAMMIX3r1qdsFLQbkA BF0BsH6MCBd40+wmQT7YMuZgyfBLVGxh2+Ms4s72tXFZHZ7XGQlQnssy2ylBDrw8 RExo1G7weIAuzk9YIUF1lWilLb5dcr/RdqzRZ6ClBo+zPT8ZlmqOImexp418Z2qt BEK+POYl6tLyxI0o06ecN2krAKXxtJ/J1+yrCDI6P6OM+5EbnTSe33gXlBqrmdDB 4qaMDqH6siqh35O0K2aosg3skWkYUXgTCqgtAgMBAAGjggMXMIIDEzAfBgNVHSME GDAWgBSNjF7EVK2K4Xfpm/mbBeG4AY1h4TAdBgNVHQ4EFgQUrHqcWL/hq6bYZvsm tSk78chAW4IwDgYDVR0PAQH/BAQDAgWgMAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMEkGA1UdIARCMEAwNAYLKwYBBAGyMQECAgcw JTAjBggrBgEFBQcCARYXaHR0cHM6Ly9zZWN0aWdvLmNvbS9DUFMwCAYGZ4EMAQIB MIGEBggrBgEFBQcBAQR4MHYwTwYIKwYBBQUHMAKGQ2h0dHA6Ly9jcnQuc2VjdGln by5jb20vU2VjdGlnb1JTQURvbWFpblZhbGlkYXRpb25TZWN1cmVTZXJ2ZXJDQS5j cnQwIwYIKwYBBQUHMAGGF2h0dHA6Ly9vY3NwLnNlY3RpZ28uY29tMEEGA1UdEQQ6 MDiCHHd3dy5sb25kb24ubm9ydGh1bWJyaWEuYWMudWuCGGxvbmRvbi5ub3J0aHVt YnJpYS5hYy51azCCAX0GCisGAQQB1nkCBAIEggFtBIIBaQFnAHUArfe++nz/EMiL nT2cHj4YarRnKV3PsQwkyoWGNOvcgooAAAGAijMbNAAABAMARjBEAiApfRid3I+M aRY4PGQMo7A+B4JGy94xdLTYd25YGOHDOAIgVjQEQRxghUk97TfDmIV7aEmsHLKK +TtR39BaTNejseMAdgB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAA AYCKMxs2AAAEAwBHMEUCIQC+sWBhhlM1rGMrUq7WZjg6u+Bc/7K5hm/ZLLmNTEIG 9AIgDPzizrmReUp8ti7bFiUw16Z27mUy3RCX9tX4Bfbi3uQAdgDoPtDaPvUGNTLn Vyi8iWvJA9PL0RFr7Otp4Xd9bQa9bgAAAYCKMxsNAAAEAwBHMEUCIF4OsWSg7t8d VjMLDddrqGqk9Wo81z+9KhUMZawH01a4AiEAtHAYCjn9P5WhVk5dzEGjVmdQKW4a N/96wOHhkgQaozIwDQYJKoZIhvcNAQELBQADggEBAHve8dYKqz/gCLz/+5QcFBSH n1IFYtjVw/Nr8cO5aVpYNO2RlSjnptGymyVcW6WUouVwEEwZBjpWi75HSWF1/3tp 0IVVfhLcEQX7LilM07LINmzelqP0DIqW99cpz5HF96lTtHIv6967z9W9tu8CP2+X VZa1j2aLsev4DUFgUW958bmdbQ9CHsy8bXe1D0rpd1/io/rXJdlkfrSGT7jt9ta6 s3oj5S+TTTJftg2GiDoZ+hfJzvLvkufb1aFzqYR+tS1N8ZxydmEgfmR/C/3Isw2A wUk0rij9A4tHjw2PMTmPnXMstBKGrNr+xrDqigT3OSgOgr8f3jlLJ0VuHoe5nag= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArjpcpGkkt4ZbYXSZKtwt zeWdo2wbWPrKyglU/K7DoGuok7u1myw+jvytEHUvTes269x0MbPvdpXC13ZFd0ot X0sKLjUPelDyADDCF969anbBS0G5AARdAbB+jAgXeNPsJkE+2DLmYMnwS1RsYdvj LOLO9rVxWR2e1xkJUJ7LMtspQQ68PERMaNRu8HiALs5PWCFBdZVopS2+XXK/0Xas 0WegpQaPsz0/GZZqjiJnsaeNfGdqrQRCvjzmJerS8sSNKNOnnDdpKwCl8bSfydfs qwgyOj+jjPuRG500nt94F5Qaq5nQweKmjA6h+rIqod+TtCtmqLIN7JFpGFF4Ewqo LQIDAQAB -----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 271538322050845712205117759595987858907 . . . . . . . . [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 2022-05-03 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-02 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 'www.london.northumbria.ac.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 21994244381570684831988901800738958639336605579649823159279598035372181431502167198805771469727423991585107023873520045416897445988535878438389625447904721835436384914833286733311767122961880248216282318399875625151757702759743414237266385099433027635269695168866620888280783402979463375871434842840244018555983915417915089226164052303127664212939487884593971732695255071099068812915902818188670630391079757085513409735244990293597053376907892355064113938064450889624959080922059269923610000511639750042796925626014092643801396750849383679104862755798967781560364858230356963412643062959805206885982519431740680480813 . . . . . . . . . . . . . . . . . . . . [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) ac7a9c58bfe1aba6d866fb26b5293bf1c8405b82 . . . . . . . . . . . . . . . . [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 (58 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.london.northumbria.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'london.northumbria.ac.uk' . . . . . . . . . . . . . . . . [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 (365 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (361 bytes) 0167007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001808a331b3400000403004630440220297d189ddc8f8c6916383c640ca3b03e078246cbde3174b4d8776e5818e1c3380220563404411c6085493ded37c398857b6849ac1cb28af93b51dfd05a4cd7a3b1e30076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001808a331b360000040300473045022100beb16061865335ac632b52aed666383abbe05cffb2b9866fd92cb98d4c4206f402200cfce2ceb991794a7cb62edb162530d7a676ee6532dd1097f6d5f805f6e2dee4007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001808a331b0d000004030047304502205e0eb164a0eedf1d56330b0dd76ba86aa4f56a3cd73fbd2a150c65ac07d356b8022100b470180a39fd3f95a1564e5dcc41a3566750296e1a37ff7ac0e1e192041aa332 . . . . [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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