www.zebrafish.org

Issued by R3

About this certificate

This digital certificate with serial number 04:01:16:d5:36:1c:69:c9:48:4a:e8:63:90:59:da:c6:2e:b6 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=www.zebrafish.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:01:16:d5:36:1c:69:c9:48:4a:e8:63:90:59:da:c6:2e:b6
Serial Number (int): 348819776166601307526550512701681778962102
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9a:d9:51:73:85:2f:7f:75:a2:ff:7f:08:5a:95:05:62:7d:c4:35:82
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c3:96:fb:4a:2a:4d:3c:36:2f:27:75:1d:70:fa:9c:68:6d:fa:c3:7a
Fingerprint (sha256): 4e:c4:42:94:ef:98:ed:a6:f5:f7:07:6f:af:51:05:6d:ae:ef:67:1f:9e:ef:cb:75:9a:1a:6b:30:31:5f:9c:e8

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

Revocation information

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

Check the revocation status for certificate www.zebrafish.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.zebrafish.org

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

www.zebrafish.org
zebrafish.org

Other certificates including the domain name zebrafish.org

(limited to 100 certificates)
sonar.zebrafish.org
zirc-sonar.uoregon.edu
*.zebrafish.org
www.zebrafish.org
zebrafish.org
sonar.zebrafish.org
www.zebrafish.org
www.zebrafish.org
zebrafish.org
radar.zebrafish.org
zirc-sonar.uoregon.edu
www.zebrafish.org
www.zebrafish.org
*.zebrafish.org
www.zebrafish.org
zirc-sonar.uoregon.edu
radar.zebrafish.org
www.zebrafish.org
www.zebrafish.org
zirc-sonar.uoregon.edu
www.zebrafish.org
zebrafish.org
www.zebrafish.org
zebrafish.org
www.zebrafish.org
sonar.zebrafish.org
radar.zebrafish.org
www.zebrafish.org
zebrafish.org
sonar.zebrafish.org

Certificate

The complete raw certificate details for www.zebrafish.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6VnGrZd7phJr06ya/R+2
3A3FRfxUfvewY5Z2gAckc51aE+OPlS4l1Fz1mYe3ugvWq+/kVXpzpFFqYBusscnR
HC78kwWvaPiyNfUBxoHTCmFDvnF3QUvWFo6IsRVplTkivcob2z8zgZmHL4AZxDYm
+C0ZgtfT4WHxY/zngQ2CjhENR30C8WYFz8Jlcp6t+5jd2flTO58BIs7R4UIyHiYj
Li63RRWILVJnaQF1yGH+DypuDgYu592A6P6XMDTKm1MeZOobXBbH2mJCoucYHobv
H6xnv2SV2IGkGH55aQ0HKwSIlNiJ5xnZ0tNlJRhGZYcINHzubPv71apX4dD/Z475
hwIDAQAB
-----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 348819776166601307526550512701681778962102
 . . . . . . . . [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 2023-12-18 05:01:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-17 05:01:45 +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.zebrafish.org'
 . . . . . . . . [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 29457795295220361715732017203679012871132981506736168210492139393171620986803279347041852350836341254445006607479514027285781560972736975504444127558098658114684138463469495675614529943606745627325665462642884129564786654790896290480155067116167373632899427658023602454624279060673902647242928719775820727479107166749363118564239015912631519362878755141780287154400846880872369843818286403219165297229018401741126631552925540178018031029542041144008592347184894987857073928374318517660426710569970156543313165751646077675528420435822562271142127453338875988975673290367218854508790380672993771243700101238510588983687
 . . . . . . . . . . . . . . . . . . . . [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)
							9ad95173852f7f75a2ff7f085a9505627dc43582
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zebrafish.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zebrafish.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c7b84230700000403004730450220615206340e70cbfc4a17bdfbe6685aa9f64a112c57f954cc3516e1c036592a850221008a70a26ff9624e9aff036a8214820c15a5ea438c3080f5ebe49e43376082d519007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c7b84232100000403004630440220268faf61ccb55388e2c896c9ac287d15f1e5c1f395792f2f5ab05c8982fc279002200389aee5a6bf28756bfc492ccd3e5e0a43a89417729a96cdd2fa83e4686a6054
 . . . . [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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