pgdrop.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6e:7c:a6:b0:80:48:e4:97:40:1d:71:43:81:8b:cd:d9:ea 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=pgdrop.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6e:7c:a6:b0:80:48:e4:97:40:1d:71:43:81:8b:cd:d9:ea
Serial Number (int): 298933607929207671585043204355204754299370
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 23:5a:9a:db:2f:bd:11:f6:bc:2c:c4:9f:fb:92:41:34:19:4a:69:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9c:c4:99:20:03:74:1f:3d:67:63:25:5f:14:f8:ff:6b:e3:94:87:85
Fingerprint (sha256): bc:f7:59:7a:85:23:aa:46:39:72:e7:09:3c:9f:84:3c:40:0e:8f:17:8d:74:d7:c8:79:01:4f:92:9f:79:1f:4e

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 pgdrop.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pgdrop.com

Public Key Algorithm

RSA

Key Size

4096

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

pgdrop.com
www.pgdrop.com

Other certificates including the domain name pgdrop.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGXTCCBUWgAwIBAgISA258prCASOSXQB1xQ4GLzdnqMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDYwMDQ0MTVaFw0y
MDA1MDYwMDQ0MTVaMBUxEzARBgNVBAMTCnBnZHJvcC5jb20wggIiMA0GCSqGSIb3
DQEBAQUAA4ICDwAwggIKAoICAQDBCHYP31zCCMRSB2/6fzMFFFcq8b9aXz2VaZDH
kTkNYYc5JPrSR6QvH4CF8lIdQYL3oRL1N34f+IJ7NSO+g3EeprMFhsrTGGh+lexh
vRyq4doaydQKvWztS7fBcJjmEzmruyLO1XB2/kHoi0s8uMXFXmdeuCQH0a1iJhjU
uVhsmCqESVBYGkrJ1XI08ue8882JnZGIx58JFIUSS3Hr0oY8tJx6CRW6LtozmQW1
iWGkQItmFd7wa1/utZIKZIy++K/7ETgBgmideuBdYdK1FkllhvunpWzSe+l3W5Ss
eSF5wHd4bsmBXCYT6wT4CwDaWWJRPXSa1By/7els2exmsT84tyrFDg8il6CA8rK2
i3vLfL3uPHTEG6MHsE9ZEbDIzJoc/v01uT02mzhQ0YLjdAGVjc++hhv7+FUyKWMp
xnNBLJi7qgv3GPkpJ7iIMyhySZZLb3aw0Gsqn77juIYmOmrEYRbWdIwAcRo/7kSa
NIrULSZG3UJF7RwHevGvrs6Yrl9YToARb6jZqeZN7ZU+ZCluvv1DwhF5g11wTF5o
wIEKKVeml0fzSuLj0j7wG6ABYTyfjL308VSzhtChA0ciMSL0C1RvwXN45ZWOd6EI
HHAYNUu4Cf15nMGF67z3NdXH3qDHpeyDQ1MngjwD5xWNwQ7O59r6ClcmATxt9XHJ
sHfixwIDAQABo4ICcDCCAmwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG
AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQjWprbL70R
9rwsxJ/7kkE0GUppSDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv
BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s
ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s
ZXRzZW5jcnlwdC5vcmcvMCUGA1UdEQQeMByCCnBnZHJvcC5jb22CDnd3dy5wZ2Ry
b3AuY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI
KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHW
eQIEAgSB9gSB8wDxAHcAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgA
AAFwGCtMrQAABAMASDBGAiEA6brv19Asvi24L/sfhWwjFfA/QOLz4FwbKFRwHMFT
wiUCIQDpRMYe7Mr6aZxlM60i/+gs42jtxo5foCFDFjIAGtszxwB2ALIeBcyLos2K
IE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABcBgrTJsAAAQDAEcwRQIgXIjqIfn/
w6jkTSZFvnRlWtvh1I1kgGVV1ia5tw5U5HsCIQDXF/enpSy2ZGnChCiaYiwRUh5K
FDQRgrbTUGesSTFejDANBgkqhkiG9w0BAQsFAAOCAQEAkI+y7iOuomkre+NFbO9r
U686dABODvFnXe5SUtm4ruc0EyIjiqNdEZgjm34wsiROOFJTQD1ESrjy1w5wPqvD
Vn7w4wAI8nKkjkIfoi/dtZgF3jeThbboHi+6Ktu/tjAgXKnKhjD8ElTuKeKDY1Pp
ZV1dvmLQVRBadZReH7UhRIM7+uKKsb7Dygkd8pxDi2QbjThG2RLJ/eAbblqYAj74
8aOBUkNYjDZYqLJggPveEXTxlyQwT5UJvB+oTVEV0MjYYxjfdaSyIOgYW8q8llP0
jKwdnOE74YOBrqShw2AxxJy/f2OnTlGqE9pTcqOJqvSIm7zNZbiBXLvnAMk5Yv21
kg==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 298933607929207671585043204355204754299370
 . . . . . . . . [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 2020-02-06 00:44:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-06 00:44:15 +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 'pgdrop.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 787506143415198002895758387713054304672620525346184255441262085872381575653846800712538439709941074634076641250357885334933853984552425235357662724764955309793734389212563284643315741124557149720129154875549666000897985443110916066075164405853901028685237718451669566376337125781655384548113596873150947730210564510591836831806400626399487227419562267744456396849006019384767077332616506034333970213501989897685344058881671578981042191967453023140219731623272595335502699846141758554511618355791655465865229896506771043224987179050739672468562448144366036036977142895885006145260892172134466026715047532769858568096604552973156689652082334468254562028125453307054394703398757540443654088415899939299646461564421460988308978498981980961206685654734080063232972554441305949283532306874946175017989905337725548633664387486827591934967374814795453851739733737025396373215867644883027074526915801093565702480645857390408767747012347706415390347291815834982793512718854590628412796457618925400247345516750149007168765133169617610202208030764848968457858332459902876680710658844947222223150218057119217163418141270155337190227071271849415181667183862341204594581899961662874904374759545831045150448443879282570734569131164332619442968584903
 . . . . . . . . . . . . . . . . . . . . [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)
							235a9adb2fbd11f6bc2cc49ffb924134194a6948
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pgdrop.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pgdrop.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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170182b4cad0000040300483046022100e9baefd7d02cbe2db82ffb1f856c2315f03f40e2f3e05c1b2854701cc153c225022100e944c61eeccafa699c6533ad22ffe82ce368edc68e5fa021431632001adb33c7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170182b4c9b000004030047304502205c88ea21f9ffc3a8e44d2645be74655adbe1d48d64806555d626b9b70e54e47b022100d717f7a7a52cb66469c284289a622c11521e4a14341182b6d35067ac49315e8c
 . . . . [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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