www.physicianforms.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6e:be:e1:59:59:10:a2:bd:e3:47:1e:bf:8c:76:7f:50:b1 was issued on by Let's Encrypt.

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.physicianforms.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6e:be:e1:59:59:10:a2:bd:e3:47:1e:bf:8c:76:7f:50:b1
Serial Number (int): 299021641554767184964538961807507516772529
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b6:1e:12:50:15:ac:92:6d:a2:97:bb:b1:8e:2d:62:96:5b:f8:2d:e1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:4e:5a:57:25:b4:ce:7d:d3:73:f8:43:12:9d:29:0a:ff:21:8d:12
Fingerprint (sha256): 1b:ee:70:a2:a7:3b:6f:5b:fc:3e:0f:b4:5a:a1:b6:5f:d4:8f:85:83:b1:c0:31:71:6c:44:2d:8f:7f:80:f7:75

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.physicianforms.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.physicianforms.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

www.physicianforms.com

Other certificates including the domain name physicianforms.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAreHLACn1kAjyduHvozf+
XLaQkBhWhIX4urMzuFUYgYrXIJMnRPhBmMqcVgMBxqg6G5PrBi6PldCplqI3EU+5
A8GW8jly2dRrnrsO1J1qN3Sl8J89vdIOVoMPf0QvpeHC1POL+zaxdG55RJp/7eD9
DAdtvVYphn1Pzy22+YEVLg1dgo5/gvria+kWOackJqPvZzpuoTkZaTfhGP5Ewr+3
lwEF5R1KnSd/jOQrbToTna9c4lddbb30yG/GFpDFOX+pK9ZVFuRqrRkkMCi4ELB+
BRlTC2FIGdaJlQZqDxWcJpgYEHb0t0Qom/5l0ReYmP3R55KKhwkBzZNalCphKqFC
TKH7anQmLfkyfq/Rzp2uGoOhvBWgv+UeFlm2f2YAhPvKVbrp+WT1OskgtZ4XzT1X
kPjOuJgPKw0HkQ1ztdCzdrUi61MpDfzTqQH6cCK6gHp7sjgNJ7RHiWU4ucCy2x4Q
3uQti+FKnlW+/UKnU2XxjLKs5Wh4BRwUb+snZuwoVQuavqjk0Z8T0WccIQpYgshA
VtAFdnoOPAB+T8703tdUPe7k+VVaqDJpORej468CJObIGpnSQ1A/E1Yx7ItOcGcW
ja9CaiN3RI5tWOQ8LBPgji8N8+zWzOcxlclzNBPOBRwpW4pmGa9HRsq15Q+oW9Pz
ZR9AQK7O/s9x/+4mKn/id70CAwEAAQ==
-----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 299021641554767184964538961807507516772529
 . . . . . . . . [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 2019-09-21 22:08:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-20 22:08:01 +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.physicianforms.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 709376685313437585371523258153235565806020555045365959031433535069109218153047712607223635909868435558569019930249398513045074648194094792502882167550515390480060223413682621175008779565262318221564620469741580264533681356314594839149320153832982616311336972347000603533057807794364576089786700338954385916542261965262313724593495446952624658011933357587504257834758210895888921166083554710272316133220672853274702158325650322537817082370085454793131837001743878665643775712303831264238833993057430174329452193043797440490008536094731648619133260698987868565413320989207211757686550951770344931716770557303762436232926999466042570089057546274375399061750588280494572492494802527453055019278089382805685928117567456321614135839668004960229063311008705745758121076642697191394339789779791034571522333985431176412773305808678509841097152305595574759911085366904250020820846465729920401390763401728363223882357257424038026577169391748621924979324806593088982266640670180116573759758394231564262491322175073423485325343813047665288505794011982986572757681089746214326208108064865663518189161905292353596023056928829031568558578623898226023017165082587867696487830518524902488290684841327822895886650329754586430954484539902859291631187901
 . . . . . . . . . . . . . . . . . . . . [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)
							b61e125015ac926da297bbb18e2d62965bf82de1
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.physicianforms.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d561509f70000040300463044022028642fc55d84f6ab195276bc1d43a62c98bb798d8b4f9fdb00536bcfcb9c8b1c0220169b7625ecf7f8b35f4e36c016f4ee601e1172fd31516e68d0aeb343b47539fc007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d56150a1b000004030046304402205cb9dfd517d970ea2be851a6dd936024ba4c1c06349c4be22ae78c0a84a48a4d022028ccf24dc87b6d3e5ca19353495fc70c7cf76fa6074c19cedee910d8bf7ff1c6
 . . . . [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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