www.pacinpat.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a3:71:1b:3e:38:e5:f3:4f:4e:8a:f2:a5:1b:21:9e:58:3a 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.pacinpat.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a3:71:1b:3e:38:e5:f3:4f:4e:8a:f2:a5:1b:21:9e:58:3a
Serial Number (int): 316953227820949924156327294036693103827002
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c1:0e:ab:e5:14:57:63:e5:bd:07:85:f2:21:13:16:a5:a8:7e:81:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b9:46:1c:3e:4e:0c:d2:a6:53:a5:95:eb:43:92:d1:01:0f:27:71:ae
Fingerprint (sha256): b9:b8:98:ed:e9:41:aa:18:c1:de:7e:22:21:1a:c3:a8:20:d4:05:08:25:94:b5:d6:c8:9f:96:6d:04:2c:14:f7

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.pacinpat.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.pacinpat.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

pacinpat.com
www.pacinpat.com

Other certificates including the domain name pacinpat.com

(limited to 100 certificates)
youwish.io
oxoinc.jp
theblacklistdmv.com
covidb.org
pacinpat.com
www.pteno.com
www.thefund.app
www.produvar.nl
ambrosia.alimentoscolombeia.com
ava.staging.awellhealth.com
www.lendis.io
news.fedium.com
gesticom-lda.com
www.creditoperola.digital
www.pteno.com
ava.staging.awellhealth.com
my.pacinpat.com
www.eceos.app
www.eceos.app
auth.dffruits.com
alpha-labelers.aimmo.ai
pda.vac.e-ceos.app
covidb.org
enigmalondon.com
pda.vac.e-ceos.app
www.garagemichiels.com
gig8.net
www.pacinpat.com
dantoro.dev
orsity.com
www.pacinpat.com
www.pacinpat.com
www.lendis.io
www.pacinpat.com
staging.infocentre.app
www.playerm3u.com
accounts.pacinpat.com
www.pacinpat.com
alfawazmobile.com
orsity.com
my.pacinpat.com
enigmalondon.com
pacinpat.com
habitusapp.io
my.pacinpat.com
accounts.pacinpat.com
www.thefund.app
www.pacinpat.com
accounts.pacinpat.com
www.pacinpat.com
influencers.gov.freeton.org
shivazhandloom.com
sc-rubicon21.ru
accounts.test.grapeweb.com.au
ambrosia.alimentoscolombeia.com
accounts.pacinpat.com
my.pacinpat.com
gesticom-lda.com
staging-production-jqesv.codedesign.app
accounts.pacinpat.com
alpha-labelers.aimmo.ai
accounts.test.grapeweb.com.au
accounts.pacinpat.com
jaggdl.com
www.pacinpat.com
www.produvar.nl
expert.app.pacinpat.com
auth.dffruits.com
gig8.net
www.jopdatabase.com
accounts.pacinpat.com
caerulusvision.com
my.pacinpat.com
sc-rubicon21.ru
jaggdl.com
member.app.pacinpat.com

Certificate

The complete raw certificate details for www.pacinpat.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu/uqV7SlIoOP1X/iBv/C
JMbUSndbYmXneygQaJS5wh9KvqblXsX3cPpXjdnj1QflE767248E/VQOZq7aOaO9
7GVCJC7qWwvAeJdeHBOgkOZ4mhyZmAz2gDm9vmR1pKau5AFH+6ELESE5FITZj9cp
wE1XhXqis4g8O9fGorq0RSJPzg5tLXAIn7/7TpRWZJSpdtdp+B3zXR1JcsoreyUj
f5RdVjSEFFU6K5eSpfxcmL8uqr1qzTmjHzUvgXMw02gwDOZ9ZOlesCUpaznWk0Eu
ZpQpDGAY/x9aQ3AjWEGJwrtrtcgMrfJ4PetBDgCqZrO6y9ROWmHBUJxYLyPtvtJ+
2QIDAQAB
-----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 316953227820949924156327294036693103827002
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-02 00:52:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 00:52:16 +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.pacinpat.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 23730663863079974157086709891348321958271971267499989053825029602816120889755817513858240187335537907442144684161676971011747743814352584803409031748761634284251448780006308853638001114234521022105410408593533353548817644772052910334467532799371407757573167353778777699769171815726572405173837920079424504481536489954819138184425220444501971949954852565175224725613585577013233413007666717923253236278451187902613462651290542738462159402926327667586417041537626053300859377811887879778748817155766266907989376186832709941351392266065486681225629937057811624324188261486006222352082500601134667841661364442380436143833
 . . . . . . . . . . . . . . . . . . . . [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)
							c10eabe5145763e5bd0785f2211316a5a87e8104
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pacinpat.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pacinpat.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ec44eeac100000403004830460221009373962b6d1a9cc2261e769786b2e23f1c3d4dd7c5bce15d983a9ba51459d238022100e0f42bc9a521e0f43cea5e7280d823450ac7eb15ea478d8d3229c3074655448800760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ec44eeac200000403004730450220273a2f11f0cd3fc6faa79da24453d524cd2ee356bf8f50a871f4ca584958f7d702210092b8f27516e597782d7b88572ff69c601d9c2109c2f566e08deee4182591c896
 . . . . [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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