advancedspeaker.masterlev.com.ua

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:06:8d:ca:b9:c5:0f:6f:78:d3:76:4b:1c:e6:e0:7c:46:d1 was issued on by Let's Encrypt.

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=advancedspeaker.masterlev.com.ua

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:06:8d:ca:b9:c5:0f:6f:78:d3:76:4b:1c:e6:e0:7c:46:d1
Serial Number (int): 263567025756035969621279511326393341069009
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 86:35:6e:4c:c6:8b:76:7a:f8:c5:9c:39:6c:b8:95:46:78:e4:9e:5b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:8d:17:f1:c3:8d:f2:69:44:1c:de:25:4d:2a:45:de:bd:65:5a:5a
Fingerprint (sha256): de:96:5e:b4:95:d6:05:1f:f0:4d:af:10:65:a0:8a:e0:3b:8b:c4:b1:bd:e5:95:36:40:1b:b9:c7:04:15:0c:af

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 advancedspeaker.masterlev.com.ua

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for advancedspeaker.masterlev.com.ua

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

advancedspeaker.masterlev.com.ua

Other certificates including the domain name masterlev.com.ua

(limited to 100 certificates)
www.masterlev.com.ua
masterlev.com.ua
www.masterlev.com.ua
www.masterlev.com.ua
www.masterlev.com.ua
www.masterlev.com.ua
www.masterlev.com.ua
masterlev.com.ua
humor.masterlev.com.ua
www.masterlev.com.ua
advancedspeaker.masterlev.com.ua
www.masterlev.com.ua
advancedspeaker.masterlev.com.ua
humor.masterlev.com.ua
www.masterlev.com.ua

Certificate

The complete raw certificate details for advancedspeaker.masterlev.com.ua 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 263567025756035969621279511326393341069009
 . . . . . . . . [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 2017-03-12 01:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-06-10 01:00:00 +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 'advancedspeaker.masterlev.com.ua'
 . . . . . . . . [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 896399972897290405581100157023446084963703403714277757624361879571229199321511663540279832577786270955312833830511680397525845821554968066819176598146750842762899888533875664035299977686400693906971101117516089707536949725704635939598884985571252267991983046518038452173273011006804004175472894989275551933126649337470505073205466766538617525337613146477482715867206160007908497192177016698799071257852270477092135757448761677498525505101720008307942778728312404642892279245993389922781402298871522438527109647345255442866552314530654417349862071148350640304390955128689073239803102965650936487747577211473934914186459820524798570316253007766418041669801742104347660669563463759531079561124403149208691890515821088579029793437811459213774520764621904600651898330240872899656096085086268721252087366880060274909956362767934538932097217262409018549239028749763269254859758913305812171751097401328481817377039083616735083968702584718603425508146118292393406243443141761133932551627841157009177933953202037988736876927846656572208698284988518799655002799589820673059708774987809571688976651418402149200536607077371941491898194718210798956616179468993740669882539120192293376042523403795407765024203342282824115377376295749168635439381217
 . . . . . . . . . . . . . . . . . . . . [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)
							86356e4cc68b767af8c59c396cb8954678e49e5b
 . . . . . . . . . . . . . . . . [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 (100 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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'advancedspeaker.masterlev.com.ua'
 . . . . . . . . . . . . . . . . [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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