o4s.io

Issued by R3

About this certificate

This digital certificate with serial number 04:82:64:10:21:54:bc:b2:ba:0e:89:3f:e3:55:74:b1:ff:52 was issued on by Let's Encrypt.

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=o4s.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:82:64:10:21:54:bc:b2:ba:0e:89:3f:e3:55:74:b1:ff:52
Serial Number (int): 392818857979124296802240676899309000720210
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e9:14:29:8d:99:c5:d8:18:47:43:29:c2:b5:39:ce:04:3d:8b:ac:23
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a0:43:a2:b9:47:da:c1:5f:17:5e:42:64:3f:9d:08:2b:c6:93:8f:c3
Fingerprint (sha256): f0:6b:e6:18:b3:09:0f:fa:5b:c5:2b:4c:f0:80:22:ba:79:ab:51:2a:76:87:9d:13:70:9c:51:c0:b9:3d:98:c9

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

Revocation information

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

Check the revocation status for certificate o4s.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for o4s.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

o4s.io

Other certificates including the domain name o4s.io

(limited to 100 certificates)
www.kaitours.bike
animalrecordkeeping.app
www.app.totalhse.com
*.o4s.io
tech.fanai.io
app.ezcred.in
certesa.app
sportbetodd.com
www.thincera.com
admin.qa6.restoplus.com
wireframe.servicezone.top
o4s.io
qa.classes.de
www.kongsalak.com
app.produp.co
o4s.io
www.madars.org
blog.ade-sede.com
*.o4s.io
o4s.io
o4s.io
evolvetnoticias.info
www.terajool.com
*.original4sure.com
o4s.io
ayurjeevan.in
o4s.io
lskdemo.5loyalty.com
staging.atomica.me
www.doubleriver.com
o4s.io
weblab.marceloconceicao.com.br
account.dev.kidskey.co
o4s.io
www.video-of-the-day.de
ad.venture-ist.com
www.holtrussell.com
o4s.io
www.o4s.io
o4s.io
app.luqra.com
o4s.io
admin.qa6.restoplus.com
integ-id-v3.aipass.jp
dulux.o4s.io
kalinic.me
www.ximenaconde.com
momoword.com
staging.api.skywire.28east.co.za
admin.sfomart.com
orsaydemain.corehab.fr
www.biblia.gestexcel.com
console.wegrou.app
www.figpeople.com
anphareal.vn
auth.stanible.com
heroine.lol
fiep.orchestra4edu.com
nprone.app
www.upollo.ai
test-google-optimize-serverside.easylanding.io
tech.fanai.io
o4s.io
www.o4s.io
patchi.dev
vglista2022.no
nprone.app
static.innoquests.com
shenandoah.3dcloud.io
waitrose.enezatelecom.com
good-guys-project.com
gpstracking.mikejam.es
o4s.io
votes.afrim.dev
links.bookycall.com
codekraft.ro
o4s.io
convexroom.takahana.tech
www.dndroller.com
genetron.o4s.io
www.pedrorojas.dev
www.app.totalhse.com
www.original4sure.com
www.upollo.ai
app.produp.co
*.original4sure.com
www.upollo.ai
sl.echochat.live
anphareal.vn
*.original4sure.com
www.2cpus.co.kr
o4s.io
oraclesqltraining.ie
o4s.io
intellij.patou.dev
rbaalt.cl

Certificate

The complete raw certificate details for o4s.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxzwcXHnGEKm13qvIZ2LC
jvMV1WSsFwQjMPXRltZgj8iDhgDlVqENqo4PrReOdSBwF0Vw4Q6sXzYz+WUgMoXx
lQN0sHf1FPwsM8p1RhOw8T6E6hg5GrDgFa6ylTfbHSBAPqB3FUCUvto1qXrRexsS
t/nULkVicm5Vd0jX1jbTIGjTR0gn8KMMDu0L6NT8cbkwr/FbGdb5PZycyrC98wYr
LTOPf+ZKG3JGdCZKWcy521SyYz4F7ZxesdRJJktnWEND1BSyUiiT/dgI/L84fkE4
M3DHL+Q4QIbJiw0jHnlKG9Rm45pZyD1V2KrL9EiqkVol2SOjrHQTnOTAezkZ8FTp
rwIDAQAB
-----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 392818857979124296802240676899309000720210
 . . . . . . . . [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 2024-05-16 12:26:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-14 12:26:06 +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 'o4s.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 25151064421617772151904481528226142482152593321615331704454084605581081583292513378801350881621081282681444012805430392188072158665043412938928010604160441553081546822439375206048026766620150671533800148249259044953160260198852848278837351753187428559559875812201785343619554526658045513572524612401985518637203076191630219296516497673663022861690911769686856744170378226673652311341926349559313015903600482122528485721099396721676755831285318524764455979076421462548938213780387495937220339713254939270455520045127200995972350290885643786398508044826128075034377249449594413870519097255833541216343832734393911536047
 . . . . . . . . . . . . . . . . . . . . [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)
							e914298d99c5d818474329c2b539ce043d8bac23
 . . . . . . . . . . . . . . . . [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 (10 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'o4s.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)
							00f00076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f8194dd69000004030047304502203457524ab5fe737c237f14e98cc79887a71181fb81bb0c026cd56f229f6c7b8d022100a3b296556f892825169308eb2e487a0a83d005dd481017ff2394765211c229d700760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f8194dd6c000004030047304502205e28f84c8fdb9df30b465e46f6f3a1159560e63e4de0738868806c7b83b26bf7022100d7aef1ba0527c35c84384ef5cdf7c36b41eb670ae1fdaddaba81b4dcb095f8f3
 . . . . [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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