*.waterloo.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:75:79:50:c2:d4:ff:9a:ae:3a:4f:20:b5:23:42:40:52:7f 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=*.waterloo.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:75:79:50:c2:d4:ff:9a:ae:3a:4f:20:b5:23:42:40:52:7f
Serial Number (int): 388423436579692383654838216566548291670655
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7d:9c:8e:de:08:a1:59:a3:c2:2a:5d:bc:f4:85:31:a4:ea:ec:d5:92
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 65:25:02:d1:1c:58:4c:57:5a:a2:c5:98:c4:f5:ad:2f:32:b7:bc:2b
Fingerprint (sha256): 82:c6:07:a8:92:11:04:a0:c2:92:bf:69:d8:ef:f1:3e:07:bd:1d:e5:18:15:55:32:da:ed:88:23:4b:b1:27:ee

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 *.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
waterloo.io

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app.waterloo.io
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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
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content.waterloo.io
app.waterloo.io
app.waterloo.io
demo.waterloo.io
demo.waterloo.io
demo.waterloo.io
demo.waterloo.io
dev.waterloo.io
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demo.waterloo.io
app.waterloo.io
demo.waterloo.io
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help.waterloo.io
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demo.waterloo.io
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0tmpbe4LNpTt7memGi2y
rBjSXp3gpefrsqPi+wBHF6as5jTB9b3EcYQv7t88TAJSrbymH07DS4LLyHmnYjQv
zFK/f4Nyi9/RBbqqEnTPJPk1uTZyvz1bQUdU/wRBFD07PA7S3HhYXSR+/xSQyJvk
93yBFHnIzfHuNGH4MutxRRSZIVopoyNIoUdCelHv7kufXWYGa4WT5peLtyPAh35W
fikCWvzdp+LDVQm/GDlnTO6wD+9in1raI62L91OEY5JGZ91zjMnJ+NgFyd7VIau/
dhs2m9LaP+9vaW9GvnBjsNapChg0AKMCPXMtSY5lE4wG770Ro57YyoMdMSwYUW3c
ZwIDAQAB
-----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 388423436579692383654838216566548291670655
 . . . . . . . . [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 2020-04-10 09:45:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-09 09:45:31 +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:12|false] UTF8String '*.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 26617377093400988107774780622200886478856149679346450063290805165905163261074148088458434318724170619601043550190534973441539792754365835237625399956191305161918071621403962699723037804364037865281715601180274715729945742824715893223112130122702787985330512002135796200465271005034169780142993691513180065594227504502609280294538165946554290551530433180110108996837066964842558879175186783603850181057788512781575314813889959148137182800545822493560905604260710157675025618687197321125724479325820830904519908234442331904425224071550707740314893665663645644469169493593600390115988621385442064694136823498890858585191
 . . . . . . . . . . . . . . . . . . . . [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)
							7d9c8ede08a159a3c22a5dbcf48531a4eaecd592
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.waterloo.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017163b1d8a200000403004830460221009fc346caa11f9653087ecbc82f2ece4887d2476b6559dd0ef9a80507e9a63705022100b073fcfeb75b33fdd9e57d544c172fce7da575d3eebdff76b1c8f56f152fa637007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017163b1d89d000004030046304402207bfef9beca40abe0bc17cbd11a31d782068fe1ff95b01f9517a32f92dd9a134c0220074821f56465dfb1d830c5edfb4bb5187765cdeb650490821a0118b1219a421a
 . . . . [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)
		006faf633c8b2bb38372571e8aae1fba5b9c2348742bfd5dd497d7a00e00c76528d6adacfc34a54103e74f45dc738801ca6752d4c993dc7ad3d813ecc26eec5910ef9ed7f9fb703f2f3528a50c9137910687db6d985e853b9492be74f0dfa491fc316a8a8140604cabed886584f38aa5d490a73e020741b1a0491f10c747815ba3d0ffd82a6b7065519290849eefcbb10c9a8c0460f0cd83c707c673bc0a5b6b68bf8d6323616a33ba0b665414484f60953a9893463f6ef2992a3345fc9a108adafcd99f463d140caf0b75f1767e2e2a047938f33f4cd57586f8b16720eb144d5d9077f0c11c2059db29b5e8f34098800180c59711a768f95a02ffe2d0d6322611