www.yuka.io

Issued by R3

About this certificate

This digital certificate with serial number 04:67:45:99:ef:39:49:e5:81:49:86:0d:07:c1:36:d4:c2:4c 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=www.yuka.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:67:45:99:ef:39:49:e5:81:49:86:0d:07:c1:36:d4:c2:4c
Serial Number (int): 383590743525060933743414206927890707432012
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 01:4b:ea:55:92:20:fa:70:70:5b:05:0c:1c:ac:e9:71:c7:e0:c9:0a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d3:3e:ba:cb:1e:c6:ed:e6:47:e1:a0:b8:42:04:13:44:05:46:41:aa
Fingerprint (sha256): 79:31:2d:97:2f:13:32:f6:67:b0:ff:f4:53:08:1c:27:b4:01:ac:d0:64:d2:28:29:b7:55:d2:75:d4:5a:c1:9d

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

Revocation information

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

Check the revocation status for certificate www.yuka.io

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.yuka.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

www.yuka.io
yuka.io

Other certificates including the domain name yuka.io

(limited to 100 certificates)
www.yuka.io
app.yuka.io
www.yuka.io
playrummy-online.com
www.yuka.io
www.taafi.com
www.yuka.io
beunited.tartora.com
agendai.online
www.yuka.io
nutrition.yuka.io
eventhelper.com.br
www.yuka.io
newartisan.it
www.yuka.io
nutrition.yuka.io
backslashcode.com
nutrition.yuka.io
www.yuka.io
www.yuka.io
fractal.tokyo
filedump.theneighborhood.website
www.digifull.com.br
www.fritexdesigns.com
www.yuka.io
www.yuka.io
peoplist.app
nutrition.yuka.io
snap-img.yuka.io
admin.connectcompassion.or.kr
www.stepupprimaryschool.com
www.yuka.io
speech-clinic.online
ping.yuka.io
www.yuka.io
img.yuka.io
www.yuka.io
snap-img.yuka.io
holadoc.app
nutrition.yuka.io
www.yuka.io
www.yuka.io
www.medoraarchives.zone
nutrition.yuka.io
tutor.jumpagrade.com
www.rams-klug.de
www.yuka.io
ping.yuka.io
nutrition.yuka.io
bauxeo.binstock24h.com
ce84d4d7c.cloudimg.io
www.yuka.io
www.yuka.io
eventsrecorder.co
www.musterd.io
snap-img.yuka.io
amp.guianova.nl
nutrition.yuka.io
auth.firelab.app
jardiparc.stepinsight.com.au
www.yuka.io
www.yuka.io
www.tralevo.com
canya.io
jasminfaessler.ch
dev.loopfreight.io
www.yuka.io
www.yuka.io
nutrition.yuka.io
nutrition.yuka.io
files.pack744.com
ce84d4d7c.cloudimg.io
www.yuka.io
defendcanceled.men
nutrition.yuka.io
nutrition.yuka.io
www.catcoders.org
nutrition.yuka.io
www.yuka.io
www-dev.muzetv.app
www.ltdbroadband.net
www.yuka.io
www.yuka.io
online.ncon.partners
nutrition.yuka.io
nutrition.yuka.io
robleslautaro.dev
www.estaragroup.com
nutrition.yuka.io
www.rightwayenglish.com
my.test-bdsl.pp.ua
www.yuka.io
www.titletab.com
sportnerd.app
dnb.atomslearning.com
www.yuka.io
followapponline.com
tuchauchita.com
www.yuka.io
www.yuka.io

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxJxb/jXdmFf0rQL0v8BP
H8aFNaH+Ezq2IMOg+XTU3j2DCd2BpVJeXrz9VqjA3of2U2E/sQi6R/4wbU1loPr2
mdZ4kGJEFNbOJQR1IPLfBpUfe3nd2HB1PMEa3+C37lR6NTsww4W5YcndnLwYAOI7
wjiV42izsQNYOH2GIIKJPsp+HbBzOkiizfsgXgFCbL5+/EF0wAyc6++4m1pHTJyB
gUqM7eILiPn9FTMQswTex1ri4ptw2bFqY4u3er1gcyxKhmoROUjekranDrNAKdgg
I74oelPV1T2QX69FqvhE/9vJ3IpZlF4XdGYEBTOPTNroE6x9ey6tI5qgdCEdOM3A
JwIDAQAB
-----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 383590743525060933743414206927890707432012
 . . . . . . . . [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 2023-12-26 00:59:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-25 00:59:15 +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 'www.yuka.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 24819811441388000814916087910232024975719339767055716735120382633022486685451015296371320128165110753059932636652503261360101549472878473418153353654831647652819461869807301663061013548905200932509371462877212805691760775950954459191932741833121551870480444047257358168914238506104050487581985192505020268996079842150866818971977876870710973371428853400184339339328360542166900674583321029216764839856680923715859951416391095354141861743273772446034357701231805689424439878006731986796734053343449445232196122290682205181491093894111072623059635873263595798911808689037086397982551165068809221201253006924160959365159
 . . . . . . . . . . . . . . . . . . . . [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)
							014bea559220fa70705b050c1cace971c7e0c90a
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.yuka.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yuka.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ca3d90199000004030047304502204cd8116b8e46973fe2e669c243298960ff693dbac89bb0e55939df09c4b87f44022100b71a639287fd66e253cdc8b3bd1f68cc931cc0d048c1b4880bdf3373770f345e007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018ca3d9038d0000040300473045022100a966f03dcf72940c9646491bae1cf9bd94302aae2326a0a2efea547a1325425702206281faca819e20a3a0c79a3552fd3432f1dea5ab5f5b958616a2913030f3aa1b
 . . . . [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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