www.f-q.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:78:0d:f5:1b:69:9c:da:56:81:4a:aa:9e:a3:73:20:fa:f9 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=www.f-q.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:78:0d:f5:1b:69:9c:da:56:81:4a:aa:9e:a3:73:20:fa:f9
Serial Number (int): 302189294458461460473055581376001242888953
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:27:74:e6:73:59:0e:68:82:02:b0:77:ad:df:5d:61:07:ec:bc:5b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 62:76:05:43:5e:25:59:c8:7b:4c:7f:18:75:b4:c9:f4:5f:ac:68:5e
Fingerprint (sha256): 6b:4c:d8:e0:11:97:5b:69:7a:15:7c:22:4f:7f:3b:67:69:51:b9:68:f8:55:4c:96:2b:0a:f7:9f:4e:ed:5f:6a

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 www.f-q.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.f-q.net

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

www.f-q.net

Other certificates including the domain name f-q.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.f-q.net 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 302189294458461460473055581376001242888953
 . . . . . . . . [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 2019-10-13 04:31:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 04:31:27 +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 'www.f-q.net'
 . . . . . . . . [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 769317574179735949005213295956511208121694190371618958385204693721029025261266384879436008168434852878939776475258065296256767458950186658034366884960203835994847643522614953895865210067600042867252344676288322777004132094833782431585899233921811942144133208143437521213047940523420349221097950733918930096287407395376708581907391303993755159360953635058213393740231733197262633750948473630786582784953746286918672738643112166246958058029283668746907479965959241698289014505400164312805222167927182646542598643870312817675498051387288879837689604380214486863748091726228282514935939115013627131401569237833615271963064727904049394727979292414548873542103741877143101045527918950224472140726651278894393406373933434488917780250664252012874882169398406006362587381009316205133900700188509508220421937909236473129618732259841270985490055557965809483274102418468547881595160859197984435100881453284832677923670318744943084298448281124502557332355289409920485704688030092565772119892649672297095014964860411171467953529982874053096815292255591635476676047528717231975362702975063505139733252477084932151882301251234888924562898591916619461418414889028160150903398882621575229874626724266477632400478804621392492259288068660900139064737481
 . . . . . . . . . . . . . . . . . . . . [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)
							522774e673590e688202b077addf5d6107ecbc5b
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.f-q.net'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc399a1bf00000403004730450221009166ffbf541770391fbfb9c2edbb8e6793d56d59639290089e8e307f7fd9e1d902204829f7a4ee1c7460c52eed9bbb685e0e7a59858f68a80f3a23dccfb7f1e3f1ee0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc399a391000004030047304502210091fcc7530440c3919d52298cdca9f55386f1f2bc59dee469287bf84fed1ba10a02202a6e43a1f25fe9d0db2027ce55266f9d4ec6940be759cf013bbfd7d3b714e905
 . . . . [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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