min.ee

Issued by R3

About this certificate

This digital certificate with serial number 04:0c:d6:d0:18:8e:a1:45:ed:56:f5:4f:6b:16:1e:c3:42:3e 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=min.ee

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0c:d6:d0:18:8e:a1:45:ed:56:f5:4f:6b:16:1e:c3:42:3e
Serial Number (int): 352818067417014936576937611327193494012478
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: aa:ac:3d:0b:27:a8:8c:b6:6b:18:41:9b:4a:19:73:3d:a6:99:24:ed
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fd:14:bf:67:6f:a0:30:a6:56:ff:16:0f:89:bc:30:52:22:24:eb:44
Fingerprint (sha256): 42:59:ec:54:f3:74:17:11:cb:2e:e2:04:97:a9:2c:25:f9:1b:29:5e:6c:31:34:1b:d9:e8:26:74:2e:7e:89:1e

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

Revocation information

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

Check the revocation status for certificate min.ee

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for min.ee

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

min.ee
www.min.ee

Other certificates including the domain name min.ee

(limited to 100 certificates)
ability.ee
min.ee
mail.lingid.ee
min.ee
alamdomeen.ability.ee
min.ee
lingid.ability.ee
min.ee
min.ee
www.min.ee
min.ee
min.ee
min.ee
min.ee
ability.ee
min.ee
min.ee
min.ee
min.ee
min.ee
min.ee
min.ee
min.ee

Certificate

The complete raw certificate details for min.ee 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 352818067417014936576937611327193494012478
 . . . . . . . . [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 2023-03-18 19:26:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-16 19:26:11 +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 'min.ee'
 . . . . . . . . [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 866176150410414173538954801453512174010074955739277633936265147315333156371415993893815346338051891729965315597690190569741561460347263016615715430454098079480279507924099471583670153889427027398581755347534900976558852815049075941180876049977618860649145350219574190790023903288063809887298998903596361101072435127390635193978542516021520950938887798966766508621943004913503327537415297421783796071333294574990172476800884297534272641719998111645489023400394486956889755239440880898783351459461375482620179310021843328187532444562794275446826388177771914484132266241841379100416784585276896385542644350698458293883131722374396589330053203002718771698159718977504803560544449567942989060095905673970522893929297508321553659750564997356713902820118646083870258363228965117661106059580788281153974305047720358311839176249555409631563166525862031147060812994677925779169012849185522104957635898472899660445075391514950492416315200563050816744333336648673141127897855223991727322030951865337141868865879512654875995108196329221653539866664800042566833738397402503025438826780635799815193025154081372517580440959553928005643699314892428693431538004773228386721020021410707463561737523779983136833525876818512347194663749250231071080639543
 . . . . . . . . . . . . . . . . . . . . [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)
							aaac3d0b27a88cb66b18419b4a19733da69924ed
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'min.ee'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.min.ee'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000186f666b7860000040300473045022100b6d54d10e6bfccd0148d162a76e8250dd90f25f2b9b3ea1ad8f3a664a9c01c9a0220403a820df49cc347b8ede7b0824ab3c2cda83737bc8d8cb161f4af8e91e423380076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000186f666b79600000403004730450220620cda3732644b82266454395904a9f24a93c46c8aa461c0cff137a021f5fa43022100b927b6b1ff8f2d92b90419887176a2c437eee5519df0357597bbf02be292e14d
 . . . . [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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