membership-us.formswim.com

Issued by R3

About this certificate

This digital certificate with serial number 04:d5:31:fa:2c:cf:81:34:4f:13:e8:ba:8f:37:27:40:54:22 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=membership-us.formswim.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d5:31:fa:2c:cf:81:34:4f:13:e8:ba:8f:37:27:40:54:22
Serial Number (int): 420995719036075212893843808730990520587298
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1c:0b:8f:19:41:67:6a:d3:1b:bd:8e:61:c3:18:7f:2a:0c:24:48:17
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ad:a6:b7:a7:b2:06:d9:55:e9:f8:38:d0:14:37:ca:dd:21:f3:fe:d3
Fingerprint (sha256): 3a:a4:9b:7b:e9:24:d1:c0:0b:52:10:4a:df:e4:eb:6b:41:d1:20:0b:0d:f9:56:0c:c9:e1:e4:18:88:16:8f:da

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

Revocation information

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

Check the revocation status for certificate membership-us.formswim.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for membership-us.formswim.com

Public Key Algorithm

RSA

Key Size

2048

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

membership-us.formswim.com

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Certificate

The complete raw certificate details for membership-us.formswim.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuj8AIK1uev6BRbke0ixZ
2BPt9ydgeUpnw8NmHupswEfycIUBiJLjBXIxIuTR+qVM3KgEAVuil1MnV4tBx4Aw
5rE+/iaFktFlzPnIuJjgP772lZ/MA/oFl17yag3hXFNSB/OddrNVdw0pnwAdGPko
18llR/2B4KxHV2gZ9Q46GNvwsIXvZGGixUiYJELDr+CY34nPi1SQsOnuB3M29G00
fi7ipwqraAxgODR+Xt/3hnovuar4V2vEvow9qTiOQ84Y95jE/3jeHOCvlMgao0/W
sjWHQ5MImxT1cVgLTmPS6zyGnB7d0mqANo5+ehIj1TqCc5370lp6bgxAfc2Utalo
MQIDAQAB
-----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 420995719036075212893843808730990520587298
 . . . . . . . . [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 2023-10-19 05:38:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-17 05:38:49 +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 'membership-us.formswim.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23511391427427628938930342718948394930959289255111315175858647551177556253428809141245386524200800892446468451012949460806359778996143600225538945792576946297742401608660156044374230963447150897544606226728559298184123139963281075510675469818662800956681310907826662496138459048094049050644876111761284960264510184768699162946116958965626776998307711578437095143912337844247831857919243571324079448241465046129707666060390275687043238848301381056341809148275434789274300434192146841901196552690150850282804356525394599064239822633241956904881997506028486592079570477634576490785220391760683809209839480960314541434929
 . . . . . . . . . . . . . . . . . . . . [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)
							1c0b8f1941676ad31bbd8e61c3187f2a0c244817
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'membership-us.formswim.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b46a884210000040300483046022100bed0a619f0fea0cde907a5166bbed0c047c9932f147a5a33fe02199587ee4728022100ed5b798f3fe9c016947d5ffb337b8aa6f7ee85de6dc661012573b22b79484688007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b46a884210000040300483046022100e8e0f2755988a1303da3228154628f7db314d288bffc9672d5883a1ebe21652e022100a5412e18eaeb09777f8ba585728598f644cb594a1e34bd3d207e9c4dabd606f6
 . . . . [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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