app.myteacherapp.com.br
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:8c:94:51:c9:17:9e:e6:3c:6c:5a:c3:a7:60:c3:97:83:2c was issued on by Let's Encrypt.
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=app.myteacherapp.com.br
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:8c:94:51:c9:17:9e:e6:3c:6c:5a:c3:a7:60:c3:97:83:2cSerial Number (int): 309173539562269588736616714414044667675436
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 44:86:3a:6b:fc:e2:5b:b4:9a:15:7a:f2:db:a4:9d:e5:1f:88:a5:3d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ac:43:0c:39:b0:3b:df:b1:06:01:c4:cd:8d:e1:b5:b5:d8:a3:d9:b5
Fingerprint (sha256): f4:02:0f:65:37:f4:4a:15:64:1e:2a:67:a1:32:17:a2:b1:4c:4b:24:f7:76:36:bb:57:3c:9f:d9:de:14:74:b9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate app.myteacherapp.com.br
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for app.myteacherapp.com.br
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
app.campusedu.com.br
app.myteacherapp.com.br
app.myteacherapp.com.br
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socket.myteacherapp.com.br
www.domysumacontractors.com
www.myfolio.com.au
auth.myteacherapp.com.br
app.myteacherapp.com.br
app.myteacherapp.com.br
myteacherapp.com.br
sms.onechoice.tech
www.openroad.nz
betterdelawareproperties.com
auth.myteacherapp.com.br
www.myteacherapp.com.br
zaraz.digital
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myteacherapp.com.br
app.myteacherapp.com.br
Certificate
The complete raw certificate details for app.myteacherapp.com.br in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFejCCBGKgAwIBAgISA4yUUckXnuY8bFrDp2DDl4MsMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMjAyMzE1MzhaFw0y MDA2MTgyMzE1MzhaMCIxIDAeBgNVBAMTF2FwcC5teXRlYWNoZXJhcHAuY29tLmJy MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnz3LFeTiES4pl+jTTySQ dBiIKydPU6mSDV2yEyRKXAifY0aSTVzOnQYO32lo7RNG3kbgBTRceEWrjBbBifKf 0PhR8+LJwFXkmV9aMNoQUn73Yl+1euBWUwxgL/QYjux+d4mb6Iy5E931JZxXpD9S 7Ezr/9+pVZ8hiAXFga19CKPlZLAeD/04g4Zg+SAgwdbSRyz/jw2EjvLyZ6FhQKJW iYjuIDXMOHvVvqphS0nsAktiMNgguURNs/UGWB8/GbeL+CVEgtqd6sMT7sF5BxZp YjPx0r5CsUeuznRNqF0Se7umtBS7PhzNUitQcyrkmdJcEEWcEC5r0ZNNtQ+GWJNN 9QIDAQABo4ICgDCCAnwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBREhjpr/OJbtJoV evLbpJ3lH4ilPTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMDgGA1UdEQQxMC+CFGFwcC5jYW1wdXNlZHUuY29tLmJyghdh cHAubXl0ZWFjaGVyYXBwLmNvbS5icjBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQIGCisGAQQB1nkCBAIEgfMEgfAA7gB1APCVpFnyANGCQBAtL5OIjq1L /h1H45nh0DSmsKiqjrJzAAABcPpx+kkAAAQDAEYwRAIgEDxsCVTMwO8WIv0RzJrv LzSFMigJyhCsrcUjxQCxY0ACIHgT4QZtFxO1yX4yJABXn6V7zcU+hxM5HnIivAk5 8FUiAHUAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFw+nH6PAAA BAMARjBEAiBRU8Aw7ZNnb9Viw6Zo+GLtQ0JrdfeKDS/9PoqAvdJlYgIgZDYPfyvn 9bCfmbJ+NUh1nPqD6YE7oRwnTValwEVGZcMwDQYJKoZIhvcNAQELBQADggEBABKT a0d8fbPJls8nfJ5DtkK5UJwKaQkpObPe5STEqCK2NeLRxWePUlIcaCtZLHpU2s5h vyKVutXVN0W8iRAxYxbeASQQpTR7olGXfIwVnQ6OwTDJivBBO3xWDVtCRpJScSz6 8+bps+mJ/4LKVsdrLWKceYg5JNd7iXOWMOyADk9S7ivesiZo9dFYn9+9OAoJYkxB ui/U+xlDTVdnsYgBT6bbLpHkHD1hJJ0DUpR1NXGZCRfaXU7BNodxYYgpnkv2rMZ0 XqPtWtXT/W+CBz2bjWiWIfMrRsJ4PXGFCmjKMMSngHKrHXXEyT6UZZIZkFQ+NO/S MbxnGa4BeiHnQEXWwJw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnz3LFeTiES4pl+jTTySQ dBiIKydPU6mSDV2yEyRKXAifY0aSTVzOnQYO32lo7RNG3kbgBTRceEWrjBbBifKf 0PhR8+LJwFXkmV9aMNoQUn73Yl+1euBWUwxgL/QYjux+d4mb6Iy5E931JZxXpD9S 7Ezr/9+pVZ8hiAXFga19CKPlZLAeD/04g4Zg+SAgwdbSRyz/jw2EjvLyZ6FhQKJW iYjuIDXMOHvVvqphS0nsAktiMNgguURNs/UGWB8/GbeL+CVEgtqd6sMT7sF5BxZp YjPx0r5CsUeuznRNqF0Se7umtBS7PhzNUitQcyrkmdJcEEWcEC5r0ZNNtQ+GWJNN 9QIDAQAB -----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 309173539562269588736616714414044667675436 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-20 23:15:38 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-18 23:15:38 +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 'app.myteacherapp.com.br' . . . . . . . . [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 20102361902912473294222070515943014782590642295272429731295494445604201943511851957492065366622630136370736949993027177654113959364670306788646880340230211441641344060374429236789612709754291621285036198571517012405568647901798117796895617023279988634364899990751145040543903251841151967867909659363010872150243593669140335489163686468339406330092293658875858554754265386318017491723481968326475800771760682418384964887848360876790928705662717691874549140000137496831807428206465457369608051352730923401335026048042698000939656055192953557531778897927510531014658331770333664095468801125139730265566294657453190761973 . . . . . . . . . . . . . . . . . . . . [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 (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 2.5.29.37 (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) 44863a6bfce25bb49a157af2dba49de51f88a53d . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (49 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.campusedu.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.myteacherapp.com.br' . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170fa71fa4900000403004630440220103c6c0954ccc0ef1622fd11cc9aef2f3485322809ca10acadc523c500b1634002207813e1066d1713b5c97e322400579fa57bcdc53e8713391e7222bc0939f05522007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170fa71fa3c000004030046304402205153c030ed93676fd562c3a668f862ed43426b75f78a0d2ffd3e8a80bdd26562022064360f7f2be7f5b09f99b27e3548759cfa83e9813ba11c274d56a5c0454665c3 . . . . [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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