spreekit.com

Issued by R3

About this certificate

This digital certificate with serial number 04:2b:8c:c4:07:62:1a:3c:32:a6:04:6f:11:3c:f5:bd:52:9b 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:
  • 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=spreekit.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2b:8c:c4:07:62:1a:3c:32:a6:04:6f:11:3c:f5:bd:52:9b
Serial Number (int): 363268395263984848100787364149521981199003
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: aa:61:20:4a:f0:40:2e:c4:44:51:4c:e3:42:26:08:b6:15:6e:d1:d8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a9:9b:96:ee:5a:2e:07:ed:c0:e4:14:77:5a:11:d2:bb:de:9a:a6:41
Fingerprint (sha256): c0:49:79:81:e1:4a:46:8f:4d:2b:da:f9:e0:11:21:c2:f3:ae:88:c6:ae:a3:30:18:70:3c:be:8c:3f:2d:ff:c5

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

Revocation information

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

Check the revocation status for certificate spreekit.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for spreekit.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

spreekit.com
www.spreekit.com

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spreekit.com

Certificate

The complete raw certificate details for spreekit.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE9TCCA92gAwIBAgISBCuMxAdiGjwypgRvETz1vVKbMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMjUxMDA0NTZaFw0yNDAyMjMxMDA0NTVaMBcxFTATBgNVBAMT
DHNwcmVla2l0LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJRP
b77nUf91VZMg8DQ/H8GLRCgK6KnCqWtVzcIYcGG+5F+SPbJQd3DYe7NBNiy/8dW/
tBd03glqhaJUL7oo+QqXNpXz/NJoTHHnkaSHwfWF+ZaZl042fNN5jUT3k929ZXfo
8mKm7SbwZcTJ7XqlIUDDWN/XQhZ9rwM4d+KX5wYznzTWWyOcMt2GSHIE3UDNzje7
6JXU48DP1+MEGVFVXBCRexOP4k5mGLiWL+PQ6/tDqFqLfzIur2AphVE8gOiYpe/E
z+JHdiiCOqQwrKoIIHn+13n1/OUAk2Hy2g0tXG7W/bklVowZ4CI4RAcKzV8yqceA
Mx6ytGu1SDwLHNDOeOUCAwEAAaOCAh4wggIaMA4GA1UdDwEB/wQEAwIFoDAdBgNV
HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E
FgQUqmEgSvBALsREUUzjQiYIthVu0dgwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA
5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu
by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w
KQYDVR0RBCIwIIIMc3ByZWVraXQuY29tghB3d3cuc3ByZWVraXQuY29tMBMGA1Ud
IAQMMAowCAYGZ4EMAQIBMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUAO1N3dT4t
uYBOizBbBv5AO2fYT8P0x70ADS1yb+H61BcAAAGMBidtcAAABAMARjBEAiAyFqyP
p/dGD6hY+JD6KW4OLxR8p6gPXN5FVU9x3hJ8ywIgJLB6Bs4lRkJW3+lyIx8bHDJt
scq3K3Zv+5HmezqFCvwAdQB2/4g/Crb7lVHCYcz1h7o0tKTNuyncaEIKn+ZnTFo6
dAAAAYwGJ23BAAAEAwBGMEQCIHJTsYifnFyWlesetm+uayr/19tlsToam/BbFPC2
Mc+xAiB0mEHXFeoTfPtf+IHxKqW2C+MXzXo7Sai4yNKDzVA72jANBgkqhkiG9w0B
AQsFAAOCAQEAbvcSTkTsLEnaLcFupXjIoBw6sq3eNkkQoLEz2pAHx4kkF+AYetOv
zEjMWOVS7WB1PJQwFWjTfwp+Fr3Kid69M2lClQhjxkUh1879yehj+uCZ6QJVXpPH
YGvNgpzO8kmKZPU5vJheMDu402RKrPU0bhooAeQgVs6mNln5nuqXxJHyQ8kpCRiO
Y5K2dgFuFRpV6K3uqdd9BHRvgcLKgiJqFhwjTgpPUcikv0x5aZ/A2ULSVXbbUbZX
3BQtWoseCvSWkG50txpf5JTHdfNhg85J2R+n1qjtwnQVz+4CLyVhGOIjZlI7GSDv
Bk7kfABiEiqw7E9oEcE9zGhH7YgsktAdYw==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlE9vvudR/3VVkyDwND8f
wYtEKAroqcKpa1XNwhhwYb7kX5I9slB3cNh7s0E2LL/x1b+0F3TeCWqFolQvuij5
Cpc2lfP80mhMceeRpIfB9YX5lpmXTjZ803mNRPeT3b1ld+jyYqbtJvBlxMnteqUh
QMNY39dCFn2vAzh34pfnBjOfNNZbI5wy3YZIcgTdQM3ON7voldTjwM/X4wQZUVVc
EJF7E4/iTmYYuJYv49Dr+0OoWot/Mi6vYCmFUTyA6Jil78TP4kd2KII6pDCsqggg
ef7XefX85QCTYfLaDS1cbtb9uSVWjBngIjhEBwrNXzKpx4AzHrK0a7VIPAsc0M54
5QIDAQAB
-----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 363268395263984848100787364149521981199003
 . . . . . . . . [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 2023-11-25 10:04:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-23 10:04:55 +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 'spreekit.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 18722440736379813915870262494918933753660659609554024741425551453968034528259084739205155186653622889014916022091494420829926013714170881359108744843019874359383067556439338988836543740904720712141813015131782911818184576582202938054553213623774260274179284457740933256639850171805141900969719115952693651730419492056318243999942362997548986558806138886459364914172955306697300340461938996581117820811637473219004934614998056091460123421542472963924334247311611711920497336710446057866295601282256461257725932130081384647164867575741765826040236787672240087398067931406671430729701459835669739599731923121045251193061
 . . . . . . . . . . . . . . . . . . . . [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)
							aa61204af0402ec444514ce3422608b6156ed1d8
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'spreekit.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.spreekit.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c06276d70000004030046304402203216ac8fa7f7460fa858f890fa296e0e2f147ca7a80f5cde45554f71de127ccb022024b07a06ce25464256dfe972231f1b1c326db1cab72b766ffb91e67b3a850afc00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c06276dc1000004030046304402207253b1889f9c5c9695eb1eb66fae6b2affd7db65b13a1a9bf05b14f0b631cfb10220749841d715ea137cfb5ff881f12aa5b60be317cd7a3b49a8b8c8d283cd503bda
 . . . . [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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