iowaoptometry.org

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number e6:fe:e9:2a:29:98:b1:85:11:b6:ba:ee:f1:31:b7:9a was issued on by Google Trust Services LLC.

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=iowaoptometry.org

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): e6:fe:e9:2a:29:98:b1:85:11:b6:ba:ee:f1:31:b7:9a
Serial Number (int): 307046011574492453864650742833158928282
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: d4:b0:cf:a3:41:b6:d3:c8:39:42:aa:7b:04:ed:6d:2a:d6:93:eb:62
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): 8d:2f:fe:bf:c6:09:a6:be:c2:00:fa:8b:59:2e:43:bd:66:e8:7a:d6
Fingerprint (sha256): 2a:a7:e3:92:6a:06:b9:22:c2:c2:65:92:2c:7f:05:2e:a0:7b:92:45:cc:09:e0:d5:57:57:89:19:78:19:c1:40

Issuing Certificate URL: http://pki.goog/repo/certs/gts1p5.der

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/MNPexBL4n-I
CRL Distribution Point: http://crls.pki.goog/gts1p5/v5VT_64JizM.crl

Check the revocation status for certificate iowaoptometry.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for iowaoptometry.org

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

iowaoptometry.org
*.iowaoptometry.org

Other certificates including the domain name iowaoptometry.org

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3tHPL6KIFy13YRejpkRw
WmHB2e4Lh0iI+9tZsnfzNW5k2vfDNgjoySxnaA+4lXQhfEUp3aL60QZKac3Nxeih
DOv4RcBo8bQrMcx7qM5saxprbRdYoY+1uE+iEFceDQ+pkAjZqAkfwZLkw22Oasgs
7ULgDxBQ3PS72NfKAtxsFQ+E3un4E/KnKkjbrk+ts4cwmXo7UWHORA9LiG0VXQqf
cZ2Yg//qXw9T8lReBeGq+zWXVhgdRAu83wqT5ukrbN+/XiE7eIeMOOTLUTT9t3c2
jRXcoPfUUhIIBZVUZl4E+9fYDBm2OGavAL1LaXwziCZpSvPMS1ndJNuT5xUAxZYP
gwIDAQAB
-----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 307046011574492453864650742833158928282
 . . . . . . . . [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 'Google Trust Services LLC'
 . . . . . . . . . . . . [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 'GTS CA 1P5'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-08 17:35:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-07 17:35:56 +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 'iowaoptometry.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 28128364534491247805672352700170937920883546052634042522617918744720280737777137963546384673154208974407386452895808926554166185567768322570218678238653218352978028811056006963338323641923385994439717482770372080356570713596937044700119900491029793235499733900761425555875124162258490896761676176556551122784520706008584508462289392169800179780793660364014517413005363450784406435476132606989662951096768974784038917538145552338479797958462526745835320306631466998045359851732172295064287052188485351402394024290727154753207736897977022172672341496675936371158598184836022494724565309300777427838360654763065282531203
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							d4b0cfa341b6d3c83942aa7b04ed6d2ad693eb62
 . . . . . . . . . . . . . . . . [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 d5fc9e0ddf1ecadd0897976e2bc55fc52bf5ecb8
 . . . . . . . . . . . . . . . . [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 (108 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.pki.goog/s/gts1p5/MNPexBL4n-I'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/repo/certs/gts1p5.der'
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iowaoptometry.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.iowaoptometry.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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crls.pki.goog/gts1p5/v5VT_64JizM.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cea5c2c160000040300463044022038c7fc5ca61d2aa994adcf3bb7e9ca9954a59bd71ac2429a766573d4495899c20220147967997875ddea354b3432030b50334931ad92bf8b9a669567db7e3de4335100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cea5c2c3a0000040300473045022100863216a3315e3e412dcfe1dd496d9c5bdbc7124b5ed14de4a303e62539392f4f0220391f0fa4c0f9f21a11bd23ad016dc9a5d43656d3bc37984305214b4eb8c06e76
 . . . . [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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