waterloo.io

Issued by R3

About this certificate

This digital certificate with serial number 03:8d:86:77:b7:2f:ab:21:1f:f6:24:70:7b:28:a4:d7:85:9c was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=waterloo.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:8d:86:77:b7:2f:ab:21:1f:f6:24:70:7b:28:a4:d7:85:9c
Serial Number (int): 309495409681352050748255917914465104266652
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 04:db:d5:57:ab:36:ae:3e:56:11:da:24:5b:da:f5:be:10:2b:31:38
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 23:a4:d9:b5:bc:ab:64:21:76:c1:83:a5:a5:bf:28:46:5d:7d:0d:fe
Fingerprint (sha256): 36:aa:62:10:27:24:60:bf:b0:67:bd:21:40:04:49:25:fb:99:c5:0d:09:24:66:d8:a2:a8:f9:00:ee:30:24:29

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

Revocation information

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

Check the revocation status for certificate waterloo.io

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

waterloo.io
www.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
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waterloo.io
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waterloo.io
waterloo.io
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waterloo.io
waterloo.io
content.waterloo.io
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waterloo.io
sni.cloudflaressl.com
demo.waterloo.io
sni.cloudflaressl.com
app.waterloo.io
demo.waterloo.io
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dev.waterloo.io
app.waterloo.io
*.waterloo.io
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waterloo.io
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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
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demo.waterloo.io
waterloo.io
waterloo.io
waterloo.io

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApHN5fITI/beJpboUGzk0
7nO7DFPiHBXGrEmmGCFCpfKnR7CmoRbf0bdyScDD3e/zPZ6CdsJGUcqzuTionaG1
nnoVAG3lU3jETkWg2FLtsANnCbkhlLWQRior1PCfALT+r+8yFZ9wbC4YgjEkyjK7
VB0g5OmqfVNArql3/GKBFGwpIe5xonx2sl0kvFXz+1j7weNVQhrf59lIAs/soypR
Kar0hMB0suXkAvINR8SJ84pXH5eUhx7ohCxafHj7ZlytjcUNKOTtbHtzKp+cqDft
tQKa9MDywZIMR+s2bHjP2J8QzVVBRAb54Z+UHAiToMJyUxFEZoyhhAUIdh9UJB3S
YQIDAQAB
-----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 309495409681352050748255917914465104266652
 . . . . . . . . [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 2024-05-04 08:03:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-02 08:03:32 +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 '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 20760024640403418832187332699701633209219777655617618763264671325746344718863136652359170068730632966824804228846621735338702750698021297096537536719800965917416433325164527861527389000682484712979557816394231940799849295015829137008279539787068553274381309578185949086431890840568504348380051409817066734150080826134157007655941416376188328743684313719811722669359492154692302478500324096249123540043228501482465919226613608229890042727280055536739797488671780760446641863300866976273505095264732173862614088460716435800157919571114387461141971906160149406319527796455045623887463714551396472090382691257276541293153
 . . . . . . . . . . . . . . . . . . . . [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)
							04dbd557ab36ae3e5611da245bdaf5be102b3138
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'waterloo.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f42d828830000040300463044022031a15f19257c0468ab9d96446b99f5a31ca9093ca60c408d78dfe5748523b3e502202f7e3e046861b79098484a9b4e89d6bc079b75ec382a67e94cd8d539abfaf438007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f42d82881000004030048304602210090f4dc9155d2ce7187cf2e7ccd1f1555f737c74c683a989d5035a75a058ecad00221009bddc4ead1cf3328c3d1a6fe89e7871a1a05381a7aedc9a82fe72408c1de46dc
 . . . . [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)
		005672e1d13f67c6a5301ca28233dac0ba3c4eed43dcd11053fac8d5f478d4e7c9db8b930969f9fd9a53f9cc9fdcca5af3675f911bc7e16ade348fc0754496fe7129d93ea2ec5be9289137e70ce01bd0087f67992dd04ed884cecde92dc16e1b97ffaad062522b16703a60e5d57a961bad9407eae4fd0948bba2cd2a4cded9c688d374c9ba975c08cbc13ed06b230dd4a9e36b47f0ab34c791c0bfdef47395148a5a999f995173eaac290d6d5b9aa676ddcf8b13510f5dc465df85091c69ca2c218d80f97e9641affb1c675431f54d5791e6c5336eda7451eb9dfa518a46dd475ddc6444646f782e7d8a38936a48ddd97b7c767c0eefed49fc3a0491c991d81bfc