uw.to

Issued by R3

About this certificate

This digital certificate with serial number 04:30:3b:73:9c:3d:a8:45:1a:89:e9:6c:bb:6c:e5:93:57:5d 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:
  • 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=uw.to

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:30:3b:73:9c:3d:a8:45:1a:89:e9:6c:bb:6c:e5:93:57:5d
Serial Number (int): 364861722074076967480303987417919811442525
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6d:39:1e:25:30:b9:fc:f7:08:35:87:dd:b6:21:e6:66:a9:e7:0c:7f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4b:80:0e:06:91:eb:4b:e5:9a:b9:f9:59:5e:ba:4c:23:59:e1:96:87
Fingerprint (sha256): a5:3a:ca:3d:50:b8:f5:52:2a:bb:1d:0e:f7:31:61:21:47:0e:20:c9:43:89:71:8e:08:09:58:46:28:26:4f:76

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

Revocation information

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

Check the revocation status for certificate uw.to

2

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

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-----
MIIF4zCCBMugAwIBAgISBDA7c5w9qEUaielsu2zlk1ddMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAyMjkyMjIzNTZaFw0yNDA1MjkyMjIzNTVaMBAxDjAMBgNVBAMT
BXV3LnRvMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAugx/h10/FizY
1nVhGLXYcdcaZJCRSmKYjhQp6FDZl6x9IL9PpAvIGD36I5h9QQlaU31IGDiy8t/f
n5cM9bdLi7GV77qw8lobqmb39BB3UOGpAR1i0u/B+lrlmkEvgcBmRmKwCCPKIyI/
fzZP9QAAsfWxqublvuF21wuQeRWY38pOtBK2SdDKkb7IV9nWMHGKnGrE7UuRN6jX
S9ACS/k8I6ZApE6cK327jMDmjs9aiGfbQLQ0+9f2rRj+YLJHrErI0oS0UMsOMM42
qO4IrR8E4rrQz9bGNKoaJpo32t03kvmuRLUVGUeE+mfAeeUzPaUjYjhueCJiqR8y
2bAmhyVM86hbxg5ctzzuCpuSWa8fCLARB1sVp/47XaVFnhl/Rlf3H33EmSG78oyy
zl2bkLs31KBJ2cFje840PKOTQXDuBrZfOy21QplY2ce5Vwhqr4IVGBkRF1FTcQ6c
kYESjN+W4zCybtxFLrZTnoGX3kZiIZM/k6Zw1CChyC/zdOv3uMSKYfKIJ5ZdVP1A
VcUaeXgReyarwcOJXeX66A1ykB+Jho2Auz4PEkZKb8r6X1LMiPfGqjTrVNqaIooj
hrqsaMhxcv1PBreBeqNDfpWsv/GKTwC7JR0tfB+NNCnr7Ntqd1O6JPxtt4Q+EKBl
zH08qjUF5KWP3d9VLbQQw4GdTQ7VXT0CAwEAAaOCAhMwggIPMA4GA1UdDwEB/wQE
AwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIw
ADAdBgNVHQ4EFgQUbTkeJTC5/PcINYfdtiHmZqnnDH8wHwYDVR0jBBgwFoAUFC6z
F7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVo
dHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxl
bmNyLm9yZy8wGwYDVR0RBBQwEoIFdXcudG+CCXd3dy51dy50bzATBgNVHSAEDDAK
MAgGBmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3AEiw42vapkc0D+Vq
AvqdMOscUgHLVt0sgdm7v6s52IRzAAABjfcugEQAAAQDAEgwRgIhAIZQScECHQwf
KhxvhkZR7ySgNT6VPFOmR5p43TqW6WGBAiEArhI4bOOi+PdgrTq8hMvRBfUONXTx
FDInqdSN1q4m0gsAdgDuzdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAA
AY33LoBOAAAEAwBHMEUCIQCSy2zRvoDhoMQg2NNbL5TteOUuB/jNAtzIxedVqGNY
WQIgVktRB0FVLJWP+ShnSSBZk8J4WY0/85iz5ErVol41GXIwDQYJKoZIhvcNAQEL
BQADggEBAFRtPlLIEF9PU2vJFC0/wmN7l8U+cuqG42+cByRiKQJLEwvRDS6OFov7
xFtfk/AAB8ZCrhAYkO14j7dpCl2k2Mht+2jS7IAZpuSYzKhgsDZA9BgCkOAPPuxy
QSNUin/nF8hI1l3dPhiTvhHzmdGhsq+y3iN5IZRrK9xCbSjkOqsu4UQfZNZqHm5c
OU/Mf1htuSUJYpVYWg1KoYlDO9pdKgb5ucv5PPtliXkXWuHioh7Q3disQ0NY5BOI
2xbZWfPgbMWK+fn3wnaepd9l3tkmVufxoQqB0iRnny2UM1qU5C56KwtIN4Ko3xJv
FQVk8YZYAdfnht7WNkITRcz76+b3Tvc=
-----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 364861722074076967480303987417919811442525
 . . . . . . . . [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 2024-02-29 22:23:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-29 22:23:55 +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 759012968687770049667874476902037030623477035296829530332490102916522750492851082721187916819652373240868700355895857825817076136976686902490047993735263246101674160824427045474567565075755554708142890076882776093333788673366793130909711889600199882275385592666479474922939194908815546568405812549455375837119668091091884141925425174653804061367990806787948391167752166614580253164298415878122459285202939229573579018728638011149956605585628558258932267551773041466017995314444617027297295638049395456444449518227692421546909967658469573032027704105768866910204828804230087715658619535743228161907731820266035658279962644339880478688701656717480949846885014203571498472795699449849224019616845148731095057556550584373568716597979304990774772929029199020825971225499414674342972235638106356505435161274160537590796649875156888524195719376724030291653930571955405454035833900850323987613265486471718615909913542208954386012260550455128866756581973585408319362521286712983689719780567785513086233160305096159805976507009718713471851001230684067277553466574931930961733873439536754971081279529889052302918140345440288602975958883080090993317513904401398804158068759393801792874163783537006023623827744148045254692529529270050451692543293
 . . . . . . . . . . . . . . . . . . . . [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)
							6d391e2530b9fcf7083587ddb621e666a9e70c7f
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018df72e80440000040300483046022100865049c1021d0c1f2a1c6f864651ef24a0353e953c53a6479a78dd3a96e96181022100ae12386ce3a2f8f760ad3abc84cbd105f50e3574f1143227a9d48dd6ae26d20b007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018df72e804e000004030047304502210092cb6cd1be80e1a0c420d8d35b2f94ed78e52e07f8cd02dcc8c5e755a86358590220564b510741552c958ff9286749205993c278598d3ff398b3e44ad5a25e351972
 . . . . [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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