bubbletap.com

Issued by Amazon RSA 2048 M01

About this certificate

This digital certificate with serial number 03:1d:1f:81:ce:e0:b4:10:80:a6:f1:05:91:60:52:15 was issued on by Amazon.

With 5 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=bubbletap.com

Amazon

Organization: Amazon
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1d:1f:81:ce:e0:b4:10:80:a6:f1:05:91:60:52:15
Serial Number (int): 4138899635408496898997442203483132437
Serial Number lenght: 122 bits, 16 octets

SubjectKeyId: 43:e8:d8:8d:46:6c:05:71:9b:63:99:ee:e7:d0:7d:31:56:00:87:0c
AuthorityKeyId: 81:b8:0e:63:8a:89:12:18:e5:fa:3b:3b:50:95:9f:e6:e5:90:13:85

Fingerprint (sha1): 32:7d:64:7d:82:de:2d:1c:cd:56:bb:1f:b2:24:b6:10:25:fd:84:6c
Fingerprint (sha256): 22:32:28:4d:99:86:81:61:b6:e9:60:ca:92:9b:89:c7:7d:87:df:e9:f9:07:59:3a:84:21:5d:a6:14:f2:9b:bf

Issuing Certificate URL: http://crt.r2m01.amazontrust.com/r2m01.cer

Revocation information

OCSP Server: http://ocsp.r2m01.amazontrust.com
CRL Distribution Point: http://crl.r2m01.amazontrust.com/r2m01.crl

Check the revocation status for certificate bubbletap.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bubbletap.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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

bubbletap.com
*.staging.bubbletap.com
*.test.bubbletap.com
*.dev.bubbletap.com
*.bubbletap.com

Other certificates including the domain name bubbletap.com

(limited to 100 certificates)
admin.c-plus.cloud
scitrials.app
mathclimber.app
radiantplatform.org
bubbletap.com
jdcommunication.in
links.threads.com
portal.fareplay.aero
auth.bubbletap.com
builtbyjj.com
www.albwr.com
bubbletap.com
skinshineorthoclinic.com
karizma.com
ai.fridaplatform.online
*.bubbletap.com
hlynurlogi.is
setbacker.com
www.kumalg.pl
staging.app.wisetracking.pt

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6mbqwZXYfGgZRA3NT/Ua
P4I2gD99el2RrcU6MJ3QZAmXb/Ax4TGaqrZxbCcGXvF+pjK/uetQhKpGTPbizEXe
JX3GheVOAXtOivbsC0do2jWOXYfiLktQRXdrG5e9D83bdAEBKuuz5+9dygKSxDlG
Ys/8GVbeB7YEUjwNhMJYInTpkXlOY0g8Ken7irPQ7aJY77YPCeBK7pSGygCK+fxe
WoKGjm+ej51+Q9K03ZFzITc+CK2I0CVVw49/W29ME3wYrb0qUqvRzt6Pdlc5MgXr
/FIQ1OqVztvJeF4yzaUuR1WmDj8Kdw0KHLPAy56P6cy8PGDGiE7GbAWl/0ueJE5L
MwIDAQAB
-----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 4138899635408496898997442203483132437
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [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 'Amazon RSA 2048 M01'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-15 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-16 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 'bubbletap.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 29590513634322154177698118271104408183489707906021496655363061844929542175609824323806374166642424127001019580870940711192598383300052751872302573021385210790159445475082269038679285799099045278524500163086419521930163676579756055443082892711636093819233308351602255292477405099612665778302768246834884773844877619870247271583713564061712280207346909648591476125251115008084414759618804007439322007990218226471588252506199727746243423327729017843547610459688518571215180761025997174219475127077577726552271054873251778178808592379637126387196782409220504605552338360501419190440292776555663357891892094867434933996339
 . . . . . . . . . . . . . . . . . . . . [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 81b80e638a891218e5fa3b3b50959fe6e5901385
 . . . . . . . . . . . . . . . . [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)
							43e8d88d466c05719b6399eee7d07d315600870c
 . . . . . . . . . . . . . . . . [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 (102 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bubbletap.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.staging.bubbletap.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.test.bubbletap.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.dev.bubbletap.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.bubbletap.com'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.r2m01.amazontrust.com/r2m01.crl'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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.r2m01.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.r2m01.amazontrust.com/r2m01.cer'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 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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