app.waterloo.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:1d:f3:14:38:33:1f:ad:35:20:2e:bb:21:be:9c:50:5c:d1 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=app.waterloo.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:1d:f3:14:38:33:1f:ad:35:20:2e:bb:21:be:9c:50:5c:d1
Serial Number (int): 358640439756526484803673024062219982232785
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 21:c1:18:11:8e:4a:4b:94:44:1a:00:06:bc:0c:8c:33:f0:d7:59:ba
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 92:07:cf:de:25:1f:a9:2f:1f:3f:fc:5a:03:db:79:68:d1:04:16:0d
Fingerprint (sha256): 57:0f:e6:c4:d1:2b:51:4d:f1:9b:d6:a0:06:16:ec:7c:72:a1:5e:3a:8e:4b:c4:d5:27:92:af:19:27:6f:8b:11

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate app.waterloo.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for app.waterloo.io

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

app.waterloo.io

Other certificates including the domain name waterloo.io

(limited to 100 certificates)
dev.waterloo.io
app.waterloo.io
content.waterloo.io
app.waterloo.io
app.waterloo.io
demo.waterloo.io
app.waterloo.io
*.waterloo.io
waterloo.io
app.waterloo.io
demo.waterloo.io
waterloo.io
app.waterloo.io
waterloo.io
waterloo.io
demo.waterloo.io
app.waterloo.io
demo.waterloo.io
waterloo.io
waterloo.io
content.waterloo.io
waterloo.io
demo.waterloo.io
app.waterloo.io
waterloo.io
sni.cloudflaressl.com
demo.waterloo.io
sni.cloudflaressl.com
app.waterloo.io
demo.waterloo.io
dev.waterloo.io
dev.waterloo.io
app.waterloo.io
*.waterloo.io
demo.waterloo.io
demo.waterloo.io
demo.waterloo.io
demo.waterloo.io
start.waterloo.io
app.waterloo.io
dev.waterloo.io
demo.waterloo.io
demo.waterloo.io
waterloo.io
waterloo.io
demo.waterloo.io
app.waterloo.io
app.waterloo.io
*.waterloo.io
app.waterloo.io
demo.waterloo.io
app.waterloo.io
waterloo.io
demo.waterloo.io
content.waterloo.io
dev.waterloo.io
waterloo.io
dev.waterloo.io
demo.waterloo.io
content.waterloo.io
dev.waterloo.io
demo.waterloo.io
demo.waterloo.io
demo.waterloo.io
app.waterloo.io
app.waterloo.io
waterloo.io
app.waterloo.io
waterloo.io
app.waterloo.io
waterloo.io
content.waterloo.io
app.waterloo.io
app.waterloo.io
demo.waterloo.io
demo.waterloo.io
demo.waterloo.io
demo.waterloo.io
dev.waterloo.io
waterloo.io
demo.waterloo.io
app.waterloo.io
demo.waterloo.io
app.waterloo.io
app.waterloo.io
demo.waterloo.io
app.waterloo.io
app.waterloo.io
dev.waterloo.io
app.waterloo.io
help.waterloo.io
app.waterloo.io
sni.cloudflaressl.com
demo.waterloo.io
waterloo.io
waterloo.io
waterloo.io

Certificate

The complete raw certificate details for app.waterloo.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1Fa3f88PyCbGDMcDejl3
b/RtC/dkoYJnGXI4z6dutxWRqqqjD0Inz744ETRh59LZ0uGRlBQYC93yslk+N66V
V9blvYYGWmtomumWqufYLT2kaRE5Sa+cKcsO35jnEFqkH9Dm2aRiIMPOx6yHwQt2
lLVQeSHLTyuKLzbgch14ET9qcR4SzB3rUDkQ98KA2Sc56GClEotbPtPNxRnk+9+2
q24tW6N0foQt6XfXHOeJy4OXwz+lrpucUXHp7FP5/LS0CafmKYMtqTmCBa4aVtZp
z8IYKQvcOebFEzDBe/NU5FvEoNCH138RPkffIl3AlQp6C4xQ2pAaQGPIkkXoikT7
0wIDAQAB
-----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 358640439756526484803673024062219982232785
 . . . . . . . . [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 2017-08-25 01:13:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-23 01:13:00 +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.waterloo.io'
 . . . . . . . . [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 26805282297653470087326755130985551708520979541339205776198242074760867565153601858444028138225306058935565055812515140769923815213667451042719119828050622062307781230262018909424398849187256984347484204292983852219782649523966381136346594337644265014459562930107535233654636253143806607166310462046058528486781585128862889580412168907270596039670627197611102227264807519921820181441712702930144672711501441501681203452708721918060534691162910493096350742897224099275607488629710420239339065547437070910453514306922135739427040333042441999539394864010267039990568105203681952389273614172474224979531084230220830800851
 . . . . . . . . . . . . . . . . . . . . [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)
							21c118118e4a4b94441a0006bc0c8c33f0d759ba
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.waterloo.io'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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