uw.to

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:44:2b:6f:b7:b9:85:26:2c:18:49:ba:ff:8a:ed:38:ca:2b was issued on by Let's Encrypt.

With 3 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=uw.to

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:44:2b:6f:b7:b9:85:26:2c:18:49:ba:ff:8a:ed:38:ca:2b
Serial Number (int): 284533795621053979390896936632560479947307
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5c:e8:1c:ea:90:19:5f:a5:af:d3:ea:b1:16:b6:37:32:e6:4e:4b:88
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6b:a9:61:da:3a:a4:e3:99:ac:d1:71:5d:07:25:11:ab:17:8c:5a:74
Fingerprint (sha256): da:c4:93:94:45:49:4e:0d:7c:e2:ea:d3:e4:8f:ec:34:c7:74:5d:08:fa:d4:00:2e:3a:ab:1d:03:34:e0:1e:ec

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 uw.to

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for uw.to

Public Key Algorithm

RSA

Key Size

4096

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

mail.uw.to
uw.to
www.uw.to

Other certificates including the domain name uw.to

(limited to 100 certificates)

Certificate

The complete raw certificate details for uw.to in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 284533795621053979390896936632560479947307
 . . . . . . . . [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 2017-09-17 21:20:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-16 21:20:00 +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 'uw.to'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 792920644703829536172586029850014826660390796304414233005377700319745979510731936093043997578706202816378264590038057450235467031477933881825443081788503651099030920042529924424878264412045912406467970807398052200956222898565800302580236177637437061756815349554301548520456614744979718129794047810004648272811269525250898046571429165393281840140782603442778843536187677336322774556042870356593553366753281775383119313370487282494201486272540122404203282824671649691816080931495488219202262005733296207846930120909216310486178925159413025886673913737071873838317947163512671858165162580371746150240443552351760817805322930934586350678378637560232801677812926857184211506156000877386496557518002933459611913760917374729086491843677411631005268685523609500487310809645112098090433072204316615106940135872646594099970106386852904916026654440885763132094792604228147857137128370867593441270583736711996075715261681957124570561048896236224514807246176362559768187578104228808851656384038174240630199394117115318908282914735651460884679629923165779537244476338656363740827083820296918784001676494883237251188338957094127213828173490123563971123736245446663829811343291916677209409803862989306024935926209426552128134117279999790466977674953
 . . . . . . . . . . . . . . . . . . . . [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)
							5ce81cea90195fa5afd3eab116b63732e64e4b88
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.uw.to'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'uw.to'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.uw.to'
 . . . . . . . . . . . . . . . . [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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