byalenovo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:3c:28:c4:3e:20:59:3f:bb:1e:9b:8e:4f:df:da:95:66:45 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=byalenovo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3c:28:c4:3e:20:59:3f:bb:1e:9b:8e:4f:df:da:95:66:45
Serial Number (int): 368920273812385281694137322839386357065285
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 3f:0b:65:ab:a9:1a:d3:dc:f4:55:79:a2:99:2f:61:1d:18:33:69:2d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 36:91:5b:7f:67:84:bd:c4:5a:49:cf:f9:bc:84:b3:e0:9f:14:51:7b
Fingerprint (sha256): 13:80:c8:c2:1d:60:cb:88:10:eb:ae:d6:7d:eb:29:64:2a:cc:9a:cc:0d:ce:bc:45:09:39:44:c6:52:88:44:3c

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 byalenovo.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for byalenovo.com

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

byalenovo.com

Other certificates including the domain name byalenovo.com

(limited to 100 certificates)
www.byalenovo.com
byalenovo.com
dentistsantarosaca.com
streamuniversal.com
www.byalenovo.com
www.our-media.com

Certificate

The complete raw certificate details for byalenovo.com 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 368920273812385281694137322839386357065285
 . . . . . . . . [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 2020-01-11 08:36:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-10 08:36:53 +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 'byalenovo.com'
 . . . . . . . . [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 898547339280945080658424187052761061993750596575532750557003402144618180443827540291550976207628913968667126379993414273728506166319601641519051993987505366682536253367867631056905289644785062332730192397379646985316779739772278364752269416898976100082550759539992889144330948069743271845695228909730569797964828428113553538478827731995444977312612707481819264959067815514771848217564591496579691030844478636693201739679905279054753245648006971040627547377592208713242895383301257479423411234220498923798609252007192519861700478497154657881516667567231147445430964656652771929205659032580939781916749945426807332511921650965175595095672306669107161130265943809847189585422129130484294062730317369798504146334988900119046491103002027721537091131523609650761602933504641844602652700485279419423734246031118686085242874149838648558289783345158274117403934072283020662660845146517472320326554198596791886506139070731835790016979272569832704230727697555189068720014318251558781049119641185833079414243868093897841647577905342867272352717526169506595481018522173518884130703502252448229306571127201158450449350141524673989570663277762173787888891155485805789380167687267418059261119601691566187739563511487690077460241984572617235584091111
 . . . . . . . . . . . . . . . . . . . . [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)
							3f0b65aba91ad3dcf45579a2992f611d1833692d
 . . . . . . . . . . . . . . . . [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 (99 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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'byalenovo.com'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f93f6a75d0000040300473045022100ab8ac02c0d369fe691d08bb2e64048ee715b74623a0d5244c1f1d4de1899c0b40220037ecbb4ae594433d43bc53ecfbb176f8f5922e469f722a38b01365907818f1d007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f93f6a75700000403004830460221009ae6205a6fa1ac277ca6a406da83d09be98c26c06d29c7980d6bb70053b37c340221009a36495585b0e9999fca79f8622047a8938d52a3a1250092284fff58c721089d
 . . . . [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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