reflew.com

Issued by R3

About this certificate

This digital certificate with serial number 04:ee:f1:b2:07:7a:f4:ee:98:7b:5d:e4:31:c6:6f:10:58:40 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=reflew.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ee:f1:b2:07:7a:f4:ee:98:7b:5d:e4:31:c6:6f:10:58:40
Serial Number (int): 429757615381767830654585289645842095953984
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 82:f7:78:ae:ed:b2:b5:69:0c:32:dc:02:85:66:9a:23:c5:c2:6e:d8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ac:31:ae:d2:cb:81:db:b5:15:81:84:e1:43:87:34:6b:66:43:80:b9
Fingerprint (sha256): 7b:9c:53:3f:dc:0c:c1:18:84:bc:17:cb:67:69:8e:95:2c:2f:b9:22:3f:03:09:3e:f2:c0:6c:95:87:3e:1d:fb

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

Revocation information

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

Check the revocation status for certificate reflew.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for reflew.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

reflew.com

Other certificates including the domain name reflew.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for reflew.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 429757615381767830654585289645842095953984
 . . . . . . . . [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 2023-12-08 06:01:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-07 06:01:17 +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 'reflew.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 861470630764625079678239360591653805349476869839451248625649248704075404225275964094098300289443629830986381592256938888947205835857349953409033217214241597275124384250956442491281473490596014861797128985187217585583697618358569550496897885822228469468668375481323144636456125046011446320905580217934805670830167118141582852421331990739393482630065225764367941471846384586674091485636828280888140925674812533633515325603655797024642855268310576753682357334310576920969071491672853540050870126792797369916723582946007022030910363938245467405440792492945155735196081531250320256142129904496515849946078361492699079477403624251480881443302740405082883444413077148689021995580404044581385552054827704973316484137341413510338663563923814892010956544123015259292858944861403325567693444429088211160613549002535639487508472765001095156606310188016006605902115326170705730620453399912718158386094230690808921267141419823881477553668229526105129776230514128280563713099440902760934885071880604913160647119142583757639664679234942097301893384582390443611904100669304143070091828294524913268880509905048331591315499946496840871347120479380651886192155171707000789215194952066720420550434022817214366424900927868310277243270177019222621167888119
 . . . . . . . . . . . . . . . . . . . . [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)
							82f778aeedb2b5690c32dc0285669a23c5c26ed8
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'reflew.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c483b0bc10000040300483046022100b4d643774e24096c46cf9b8bb95a204bd230cbbf311e0c86260c7c574ece4890022100a11c27fdb06a46546e6b73419c9b6cdd3d95ee0e2517f9e2ab40cb4d0b9164b900760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c483b0c3000000403004730450220474e218f1ac9c6822a6e58b0af769b41d86908b050024aec0f078f1464bb74ee022100fc8669e598c427f9629018bd29a2bb3bbae1bf77f2cf5d04095b83f5dbc7a1dd
 . . . . [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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