backend.keepup.com.au

Issued by R3

About this certificate

This digital certificate with serial number 04:72:5f:ca:63:03:13:80:e3:f2:42:f5:fc:b9:0f:08:3e:de was issued on by Let's Encrypt.

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:
  • 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=backend.keepup.com.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:72:5f:ca:63:03:13:80:e3:f2:42:f5:fc:b9:0f:08:3e:de
Serial Number (int): 387368661067795233747622938018430725930718
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a9:2b:b7:1b:38:f2:88:66:61:6e:86:ad:ea:84:09:41:de:3b:8e:20
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a4:0a:b1:be:0f:47:ad:9c:c8:0c:c8:51:bb:f7:e8:7e:1d:c9:37:2f
Fingerprint (sha256): 7c:e8:55:c7:4c:21:c8:40:0e:bd:43:65:b1:77:34:fa:80:70:5e:5d:98:d8:60:e0:ad:34:dd:be:61:99:41:63

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

Revocation information

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

Check the revocation status for certificate backend.keepup.com.au

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for backend.keepup.com.au

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

backend.keepup.com.au

Other certificates including the domain name keepup.com.au

(limited to 100 certificates)
nononsense.io
api.union.do
keepup.com.au
keepup.com.au
highlights.clubbrugge.be
starling-burgers.fr
farmstadt.de
gcp-api.keepup.com.au
www.keepup.com.au
keepup.com.au
highlights.clubbrugge.be
www.turtleflip.studio
thehideout.io
rastreo.99minutos.com
play.keepup.com.au
backend.keepup.com.au
keepup.com.au
backend.keepup.com.au
api.union.do
keepup.com.au
keepup.com.au
keepup.com.au
*.keepup.com.au
yassinaunali.com
aleagues.keepup.com.au
blutixghana.com
*.keepup.com.au
keepup.com.au
keepup.com.au
www.wallstreet-bubbles.com

Certificate

The complete raw certificate details for backend.keepup.com.au in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEKzCCAxOgAwIBAgISBHJfymMDE4Dj8kL1/LkPCD7eMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMTAxNzM3MjhaFw0yNDA0MDkxNzM3MjdaMCAxHjAcBgNVBAMT
FWJhY2tlbmQua2VlcHVwLmNvbS5hdTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IA
BAcSv46j8saZIyL2esrCGzXzH6txWwqCXD5bm4zs8g9KS/PAq/GQfip1akchTBiF
BikmkN6jhgE6ZqBQiPZtJyOjggIWMIICEjAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0l
BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE
FKkrtxs48ohmYW6GreqECUHeO44gMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYf
r52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8u
bGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMCAG
A1UdEQQZMBeCFWJhY2tlbmQua2VlcHVwLmNvbS5hdTATBgNVHSAEDDAKMAgGBmeB
DAECATCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AO7N0GTV2xrOxVy3nbTNE6Iy
h0Z8vOzew1FIWUZxH7WbAAABjPSqRDIAAAQDAEYwRAIgagoM3uNA42PaWSMdnAFj
CTk+fJuwW8PXEjWNeqSxF24CIDC8ljN3pVQgKaZAS3ljWhl4CaDpKbQOcHPlRrLj
ydymAHYAKdA6G7Z0qnEc0wNbZVfBT4qni0/oOJRJ7KRT+US9JGgAAAGM9KpE6QAA
BAMARzBFAiBmy5lOTKkZ8iAG5DVfMZWcDBkDxXxXn73W8dMNaTAdVgIhAJQ250E7
AiyJ8I9h+D0p1BmCMeO6kQfBd3itNYMw2PRHMA0GCSqGSIb3DQEBCwUAA4IBAQAm
Zhyw7ljtnvreCeQzonKAC6Hx9A2fXUQhXVGcb+QBUCGmi7K/Z3dIpXfBN4XkeBav
+/H7rm95Kpmb7f8Yt5HiSerNqBcLIWO8R1r3ncIfelQJc1jEf4kFUxiBuSX7lEzz
fGM1v2kQuC/N8VE1496vLhfg5PgxGbe/IdKzYP9TE3IpLmRZRNQpwyL/WD8xoSY2
DHhHK5dllehWa10iHGoSCEy0oerngVsQCM5KQYPhfRMUgsKH8j9Ex8LhB006+b/5
d9pi3SZ63zuqe9F/5IRsZis6DjoFnzecao/UvkMT1fhT5QCWOTwYyEB0i5wsU6qr
LSrlmXjyeNy63YFKwpv2
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEBxK/jqPyxpkjIvZ6ysIbNfMfq3Fb
CoJcPlubjOzyD0pL88Cr8ZB+KnVqRyFMGIUGKSaQ3qOGATpmoFCI9m0nIw==
-----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 387368661067795233747622938018430725930718
 . . . . . . . . [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 2024-01-10 17:37:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-09 17:37:27 +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 'backend.keepup.com.au'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00040712bf8ea3f2c6992322f67acac21b35f31fab715b0a825c3e5b9b8cecf20f4a4bf3c0abf1907e2a756a47214c188506292690dea386013a66a05088f66d2723
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							a92bb71b38f28866616e86adea840941de3b8e20
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'backend.keepup.com.au'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cf4aa4432000004030046304402206a0a0cdee340e363da59231d9c016309393e7c9bb05bc3d712358d7aa4b1176e022030bc963377a5542029a6404b79635a197809a0e929b40e7073e546b2e3c9dca600760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018cf4aa44e90000040300473045022066cb994e4ca919f22006e4355f31959c0c1903c57c579fbdd6f1d30d69301d560221009436e7413b022c89f08f61f83d29d4198231e3ba9107c17778ad358330d8f447
 . . . . [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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