institute.sandiegozoo.com

Issued by R3

About this certificate

This digital certificate with serial number 03:58:fe:68:29:1c:fd:01:4b:81:26:80:41:bc:69:31:ce:c8 was issued on by Let's Encrypt.

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=institute.sandiegozoo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:58:fe:68:29:1c:fd:01:4b:81:26:80:41:bc:69:31:ce:c8
Serial Number (int): 291619870828001464551527997368375971008200
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 40:15:87:f2:6c:fe:44:32:65:ce:c4:c6:1b:2c:ff:e5:cc:6b:90:04
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 08:d1:e7:62:ca:73:6e:b8:13:27:3e:0a:7e:89:cc:ba:b1:ba:06:77
Fingerprint (sha256): d7:87:8c:6b:5e:47:c0:89:dc:2a:9e:ad:f5:64:c9:6a:49:99:bd:68:d7:3b:b0:7b:eb:f5:1f:f3:5c:01:0e:30

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

Revocation information

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

Check the revocation status for certificate institute.sandiegozoo.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for institute.sandiegozoo.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

institute.sandiegozoo.com
institute.sandiegozoo.org
science.sandiegozoo.org
science.sandiegozoowildlifealliance.org
science.sdzwa.org

Other certificates including the domain name sandiegozoo.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for institute.sandiegozoo.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmN15oeaas7UjHG17MrMh
Q0Wh+CPXZQe7WRP47PAWoedjUK9tGOY6MP7G6UG5NMWPd73SGDn2LBnc/U/GcWL3
mGtC5M47KhkZs2HbGImTA7SJiw5JueIw8enznhwgwDzmBleAG0Qg9s/RSFmw0e7y
4CqxOa6flamd0weNup4ktrv5IAFkwb5SNCMlFNWXyu4cJCUtUdnEX0lpTPSIK/uT
6voCDiEdXxnl15TTS2A8OYkhGyhvGxL9hYDS2uvR53Je7hbuCqGkUZaSed2/r42M
IqHw1nN4GC0lGGISh2CQvH9gtOb6LYHTwAD2yty1t4gTMplxLHFDdwPpa2d+RFkn
/wIDAQAB
-----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 291619870828001464551527997368375971008200
 . . . . . . . . [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 2024-04-15 12:46:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-14 12:46:20 +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 'institute.sandiegozoo.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 19297435810238244716322818920723853065064000181636968677920963740423679467601771166356730853590795188821373840577059371332747157619118677845787444284776264710750238633761123429788490529324370144620058406544174541958557396000558843607264593798701877777042297312401561008527069122385489941178730955074494395103590191520659337941993973632303456617273170090303164783362414637609442992705096806592110449151380255208978491086244425284950374539928179459907084901982405264983978155263287133961632659384813749624645833985516414570607834761519187920636763888682777225455843864929898099360676518408971116553929404277897094047743
 . . . . . . . . . . . . . . . . . . . . [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)
							401587f26cfe443265cec4c61b2cffe5cc6b9004
 . . . . . . . . . . . . . . . . [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 (142 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'institute.sandiegozoo.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'institute.sandiegozoo.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'science.sandiegozoo.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'science.sandiegozoowildlifealliance.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'science.sdzwa.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)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ee2023edc0000040300473045022100af32b747921d1b115d31117fdc7e8508decc593eef28037d5a652dc1e6949eb802206f11c83aa4601d020b22b5b2f21bfddb14bcaae31cfedd47e5b1e68a9714eb1c0075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018ee2023f0700000403004630440220646ae5c9e54716ae6fd098b6cbad1c3d546f890fc1c0ee528a23533e2dd245fa022026c6eb2ec9ca3c0548d39d2fce5ce1a2a5df07c9dfee3767bdec2ca55fbc5364
 . . . . [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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