answers-petscorner.pagescdn.com

Issued by R3

About this certificate

This digital certificate with serial number 03:70:3c:16:3f:22:ee:df:41:cc:a5:08:4c:0c:56:6f:90:2e was issued on by Let's Encrypt.

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=answers-petscorner.pagescdn.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:70:3c:16:3f:22:ee:df:41:cc:a5:08:4c:0c:56:6f:90:2e
Serial Number (int): 299528352081263320455416038026007504982062
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 92:e4:a1:43:ba:9a:97:c8:56:a3:23:a5:e6:bd:e6:d4:62:e8:76:ac
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3a:66:86:72:f5:ad:b8:0d:78:49:52:8c:5c:7f:e5:4a:d0:2e:10:dc
Fingerprint (sha256): 1e:ff:ec:65:06:49:2c:cf:61:2e:1c:39:66:1f:1a:d7:91:ff:97:83:ea:93:22:4f:a2:05:b6:db:b3:31:e8:1e

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

Revocation information

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

Check the revocation status for certificate answers-petscorner.pagescdn.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for answers-petscorner.pagescdn.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

answers-petscorner.pagescdn.com

Other certificates including the domain name pagescdn.com

(limited to 100 certificates)
agent-qa.travelers.com
szervizek.carglass.hu
answers-lafamiliainsurance.pagescdn.com
answers-intoxalock.pagescdn.com
answers-texaneyecare.pagescdn.com
www.stamfordhealth.org.pagescdn.com
ja-stores.iqos.com.yext-cdn.com
answers-embed2.bluemoondigital.com.pagescdn.com
answers-springfield-clinic-v2.pagescdn.com
embed-answers.cority.com.pagescdn.com
answers-embed.barnumfinancialgroup.com.pagescdn.com
answers-autozone.pagescdn.com
answers-nachos.pagescdn.com
answers-autozone.pagescdn.com
answers-parkwaydental.pagescdn.com
locations.corelifeeatery.com
answers.romeospizza.com
answers-clientname.pagescdn.com
jobs.marugame-seimen.com
answers-embed.goodwillofcolorado.pagescdn.com
answers-embed.funeralcare.co.uk.pagescdn.com
physicians.florida-allergy.com
answers-zionsdirect.pagescdn.com
blog-hitchhikers.yext.com
answers-embed.reseau-stan.com.pagescdn.com
springfieldclinic-answers.pagescdn.com
answers.alpinebank.com.pagescdn.com
answers.mobile.s.pagescdn.com
answers-embed.enphase.com.en-gb.pagescdn.com
answers-embed.gindaco.pagescdn.com
answers-embed.ctownsupermarkets.com.pagescdn.com
answers-churchhillmortgage.pagescdn.com
answers-homesite.pagescdn.com
covid-answers-monument.health.pagescdn.com
answers-clubpilates.pagescdn.com
agent.travelers.com
answers-crosscountrymortgage.pagescdn.com
stores.tesco.com.pagescdn.com
answers-dallasrenalgroup.pagescdn.com
restaurants.swisschalet.com.pagescdn.com
answers-petscorner.pagescdn.com
answers-monbs.pagescdn.com
www.farmersconnecticut.com
healthucsd-answers.pagescdn.com
stores.maxit-pawn.com
answers-mountsinai.pagescdn.com
answers-dallasrenalgroup.pagescdn.com
answers.pathwaysl.pagescdn.com
theweedxpress.ca.pagescdn.com
3861559.supportembed.com.pagescdn.com
stores.footlocker.co.uk
answers.billingsclinic.com.yext-cdn.com
answers-embed.enphase.com.pt-br.pagescdn.com
answers-mapfre.pagescdn.com
es-answers-myaura.pagescdn.com
answers-petscorner.pagescdn.com
en-answers-mbe.pagescdn.com
answers-tomainterim.pagescdn.com
ideas.ngkf.com
answers-embed.enphase.com.it-it.pagescdn.com
answers.hg-tech.at.pagescdn.com
locations.bannerbank.com
answers-autozone.pagescdn.com
answers-cafishgrill.pagescdn.com
answers.waltoncommunities.pagescdn.com
events.mkdleaguecity.com
answers-wesleyan.pagescdn.com
answers-embed.cottageinn.com.pagescdn.com
answers-embed.mottoaligners.com.pagescdn.com
3854991.supportembed.com.pagescdn.com
answers-embed.lgra.pagescdn.com
answers-embed.beedigital.es.pagescdn.com
answers-texaneyecare.pagescdn.com
nl-stores.iqos.com.yext-cdn.com
answers-embed.copper.com.pagescdn.com
vpretirement-answers.pagescdn.com
answers-embed.campusfederal.org.pagescdn.com
answers.fazolis.com.pagescdn.com
answers.alpinebank.com.pagescdn.com
answers-embed.cinnabon.pagescdn.com
answers-bannerbank.pagescdn.com
answers-junk-king.pagescdn.com
answers.dime-contact-us.com.pagescdn.com
answers-embed.guaranteedrate.com.pagescdn.com
answers.docomo-sys.pagescdn.com
answers-embed.techem.de.pagescdn.com
agent.travelers.com
answers-monbs.pagescdn.com
answers-embed.mercbank.com.pagescdn.com
answers-embed.advantago.de.pagescdn.com
answers-embed.sleephappens.com.pagescdn.com
answers.lasikplus.com.pagescdn.com
answers-embed.covid19.state.gov.pagescdn.com
answers-embed.slhduluth.com.pagescdn.com
answers-embed.cosmopolitanlasvegas.com.pagescdn.com
synergichealthcareers.yext-cdn.com
synergichealthcareers.yext-cdn.com
answers-jobs-embed.interimhealthcare.com.pagescdn.com
answers-embed.jamba.pagescdn.com
stores.sleepnumber.com

Certificate

The complete raw certificate details for answers-petscorner.pagescdn.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEGDCCAwCgAwIBAgISA3A8Fj8i7t9BzKUITAxWb5AuMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDA0MDIwMjQ3NTBaFw0yNDA3MDEwMjQ3NDlaMCoxKDAmBgNVBAMT
H2Fuc3dlcnMtcGV0c2Nvcm5lci5wYWdlc2Nkbi5jb20wggEiMA0GCSqGSIb3DQEB
AQUAA4IBDwAwggEKAoIBAQC0LpPQbFlpEWSHZ+aNiY4+ebdSbpiRBaHVcXSbuDbO
pQLbK3mnwIOeQIhDpjg3gTmyf6aF7pd/BJZW3/VZgCKe9KXSf0k7+XTXWr7u1ZIa
Sg9sA2BvOy9vXXcA25Ypo6cM/mho7OXidDlGM5c1r4cTsDAYMJRSicSboceI/OyH
UlYkaKJgxlWFlgRakor4NeUzWPgQdChI8gr0aJLCBXei48GxS7r4zfiM8/WKaFQD
ScJtqdJ7jLMybCUcFLUJ7XEc+emiXLwuhaBCvmbvYkqYNo6WSrGi0bKDb3bTaows
Ne87QKs63tNR2D6jlACvki6Lh6DtiPdBFGKhpw91JUrVAgMBAAGjggEuMIIBKjAO
BgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwG
A1UdEwEB/wQCMAAwHQYDVR0OBBYEFJLkoUO6mpfIVqMjpea95tRi6HasMB8GA1Ud
IwQYMBaAFBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggr
BgEFBQcwAYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRw
Oi8vcjMuaS5sZW5jci5vcmcvMCoGA1UdEQQjMCGCH2Fuc3dlcnMtcGV0c2Nvcm5l
ci5wYWdlc2Nkbi5jb20wEwYDVR0gBAwwCjAIBgZngQwBAgEwEwYKKwYBBAHWeQIE
AwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAAaB7aMt/BfYegqRsCsHyimitNzI
6hrhHJxE+XP+04lIAoADKKqo1jLaDS6OTN4GVDc7TOd26oA1JPJnanZ+MgHV7CxT
La6mLWht6j+vuNFKLYDZLnIabVwfInUhQ4zUzvsQqhv/1YQ73Y+6To1dvoYr5Vch
vXnuX7Vomix/hZ1emOFp2YSbfEj+gIIz4WrLfZXcn5jlsTaThHZydFWGETDx7QzS
cWwsVjQs/PfUyVnmMfGOuEB0xJoPY9BO5jjKUHmQ10+vXJATguNAcksHx8TqNjbJ
9JZkJVjqvzbegiQCDHrhE54YAnuy9teH4Cfu6x93N//IXVkAcnuGDmwvqNQ=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtC6T0GxZaRFkh2fmjYmO
Pnm3Um6YkQWh1XF0m7g2zqUC2yt5p8CDnkCIQ6Y4N4E5sn+mhe6XfwSWVt/1WYAi
nvSl0n9JO/l011q+7tWSGkoPbANgbzsvb113ANuWKaOnDP5oaOzl4nQ5RjOXNa+H
E7AwGDCUUonEm6HHiPzsh1JWJGiiYMZVhZYEWpKK+DXlM1j4EHQoSPIK9GiSwgV3
ouPBsUu6+M34jPP1imhUA0nCbanSe4yzMmwlHBS1Ce1xHPnpoly8LoWgQr5m72JK
mDaOlkqxotGyg29202qMLDXvO0CrOt7TUdg+o5QAr5Iui4eg7Yj3QRRioacPdSVK
1QIDAQAB
-----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 299528352081263320455416038026007504982062
 . . . . . . . . [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 2024-04-02 02:47:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-01 02:47:49 +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 'answers-petscorner.pagescdn.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 22745863065390798845827042390377180724719981637647977217594753270659080894570701268926782196798919041384590822966724385505651261258276509243749523203933268950166714841378130910025367702993655943425805550530869470621133329099674499969468124736374181252853487525057960960734788691112221098285827075253366425026294564155142248906746840224423716221978734397503713923548331509565007955570863156499431319500349676306329405387046362770259726790341373785315226512461151043741115367260282430223892748973184165277652394024932624289070038572233728975345783298233898993204128286475285350216274683309218618878750297620240004369109
 . . . . . . . . . . . . . . . . . . . . [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)
							92e4a143ba9a97c856a323a5e6bde6d462e876ac
 . . . . . . . . . . . . . . . . [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 (35 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'answers-petscorner.pagescdn.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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