qemw.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:22:a4:a7:77:64:35:13:04:f6:56:cd:34:c7:8b:91:3c:ed 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=qemw.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:22:a4:a7:77:64:35:13:04:f6:56:cd:34:c7:8b:91:3c:ed
Serial Number (int): 273125321197022734001516561973825355463917
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 08:70:7e:44:01:67:7b:6c:4c:a8:b1:89:ab:cd:2a:04:09:c5:5d:15
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8c:a2:41:a7:f9:fd:bf:6f:fa:75:b3:06:dc:60:05:bf:67:58:15:23
Fingerprint (sha256): 9b:fb:a2:9d:99:34:43:be:78:d7:ca:e1:96:0c:52:65:67:11:b8:ee:98:36:42:24:d0:4a:85:ce:5e:b3:a2:aa

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 qemw.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for qemw.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

qemw.com

Other certificates including the domain name qemw.com

(limited to 100 certificates)
qemw.com
francavillaalmare.org
www.qemw.com
www.hotelwv.com
qemw.com
atomiclightningexchange.org
www.qemw.com
otoyz.com
qemw.com
qemw.com
qemw.com
www.globoforce.co
cryptolends.co
keywestrentalcenter.com
besogo.com
prime-ventures.com
www.qemw.com

Certificate

The complete raw certificate details for qemw.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 273125321197022734001516561973825355463917
 . . . . . . . . [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 2020-02-19 23:31:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-19 23:31:07 +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 'qemw.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 763749192727739357126292505549215728594081102349931462324573510900379414094721315856592594267261539701994662368513396737069154176829406401229406814105560502186084134065085466253585654717808077892550280204517981406699234330173566013018709449126883553766565807880691450751268251896902010224466539929374600859399246388390131331038778578102936343086923495053712352730277284797962192594576045199946102221071837581043007028530547389887979039716726286118490793910042778684655522244886004346299033814498853517330036853064012010032821422168189064707727005053902199077909537845802877835966955638707375352380515086036155284058645987125970226382728504399910388807682505699416182369332746793735098756990318683486861667110350366257393251071017429374143253613149499739005933315570360661317760820675015493069152299692679589841956213076926601085553760058657281225632854667871347466212370416503768009284457843949440968402271059904089293273542688944808681807211463523620836632853641690988078011836172051182747166919558584078696555827288124747076130552761173177473462748302721657137490631692824514695515287607065083234230078402170524908925111929820861053924630484588202642253928426866402545833882248486665456123661445153942783242789012299299806708123091
 . . . . . . . . . . . . . . . . . . . . [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)
							08707e4401677b6c4ca8b189abcd2a0409c55d15
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'qemw.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017060015e530000040300463044022066336f3b026de4e0d99900822d50e2dd56969c1a7166ce01ec3b1e73dc6e89a90220403f263871c23800578e6599e846e98a1318a1c2de621d367266c20efc3338ef00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017060015e78000004030047304502200b8c190e1d4db1116c567e9de95cb5ae43851f9435c89beb57c281630fa3c1f6022100bc57983525c8dc3d942d125755eb68f68ee430ba288216ceaa07aaab8fef3bcd
 . . . . [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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