testmail.app

Issued by E1

About this certificate

This digital certificate with serial number 03:7f:c9:8e:20:14:34:9a:e8:67:9f:76:a6:d4:cd:65:0e:b6 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=testmail.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7f:c9:8e:20:14:34:9a:e8:67:9f:76:a6:d4:cd:65:0e:b6
Serial Number (int): 304820631178184555895423390335959126314678
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a8:6d:1e:55:ad:30:62:57:9d:8c:97:fc:2b:1d:24:49:70:2f:29:bb
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac

Fingerprint (sha1): 72:ba:c4:b4:cf:ce:26:a2:17:fd:87:0a:a8:bf:9e:60:28:8f:1f:f1
Fingerprint (sha256): 10:9f:03:3d:e9:a5:17:79:64:e7:19:3e:41:bd:44:12:b6:e2:70:01:f8:59:72:8d:54:70:45:5b:5a:69:54:39

Issuing Certificate URL: http://e1.i.lencr.org/

Revocation information

OCSP Server: http://e1.o.lencr.org

Check the revocation status for certificate testmail.app

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for testmail.app

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA384

Key Usage

Digital Signature

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

*.testmail.app
testmail.app

Other certificates including the domain name testmail.app

(limited to 100 certificates)
*.testmail.app
admin.banana.services
dl.istartarabic.com
settlenotary.com
f-p.es
citrix-staging-ideacloud.forgedx.com
app.metisclub.fr
www.zbang.agency
merrylands.vetspire.com
testmail.app
testmail.app
www.hollyjfitnessapp.com
www.remindex.xyz
www.usama.engineer
test.decodedhealth.com
mobydicom.com
link.staging.urbandecay.beautyadvisors.mx
gio.bcyl.com.ar
testmail.app
app.metisclub.fr
testmail.app
testmail.app
dl.istartarabic.com
www.eventhive.in
www.usama.engineer
status.testmail.app
www.mainga.me
canopy.tychobra.com
www.royalland.vc
settlenotary.com
status.testmail.app
doo-rod.co
mondo-natura.org
chronikdance.com
webar.tripod-digital.co.nz
maimarae.co.nz
ycard.app
finance.solteksolutions.com.au
maimarae.co.nz
sni.cloudflaressl.com
manage.gdgjalandhar.com
www.firepixels.app
link.staging.urbandecay.beautyadvisors.mx
sni.cloudflaressl.com
closize.com
digitaltreasury.fund
vps21-test.ever.live
qieli.app
watchparty.im
blog.testmail.app
angular.pe
admin.banana.services
sni.cloudflaressl.com
finance.solteksolutions.com.au
sni.cloudflaressl.com
avantagecpo.ca
webipm.azordev.pt
imobiliariafaria.com.br
dev.dr.wellopathy.com
status.testmail.app
www.piribiri.com
hoonu.app
qa.wisdomschema.com
wordart.app
ycard.app
www.eventhive.in
www.oneteacher.com.br
blog.testmail.app
hoonu.app
testmail.app
test.prognos.se
testmail.app
www.studio-mason.it
jnpictures.com
sni.cloudflaressl.com
jeffricks.com
webar.tripod-digital.co.nz
citrix-staging-ideacloud.forgedx.com
www.testmail.app
catalyseai.com
jnpictures.com
www.hookbook.app
status.testmail.app
dorf.games
myndsit.com
status.testmail.app
ookamidare.com
smartsolutionsti.com.br
dorf.games
www.strategicfilmdistribution.com.au
www.strategicfilmdistribution.com.au
www.hollyjfitnessapp.com
www.aplayer.info
dev.dr.wellopathy.com

Certificate

The complete raw certificate details for testmail.app in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEtkfvPxIlvIzRcb8WpvrThEJe+I6I
1Z31Nzql8/ZxMWTZUX+aChMybqlnQ53WNbSp0uyg2FCVgoSHwl0yXviy5Q==
-----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 304820631178184555895423390335959126314678
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . . . . . [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 'E1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-07 05:05:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-05 05:05:00 +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 'testmail.app'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004b647ef3f1225bc8cd171bf16a6fad384425ef88e88d59df5373aa5f3f6713164d9517f9a0a13326ea967439dd635b4a9d2eca0d85095828487c25d325ef8b2e5
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							a86d1e55ad3062579d8c97fc2b1d2449702f29bb
 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac
 . . . . . . . . . . . . . . . . [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://e1.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://e1.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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.testmail.app'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'testmail.app'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189ce9952e700000403004630440220145ba5672c067c4f39eedf8bf52f1083c35881b1831359ccb8b22231e6954e990220555e98a17701b7f54610c617ec53176e2ff775559917885d3f61645022c346d2007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189ce9952eb000004030047304502205053b4e9121b8ed5d76d7c2c02ad0c36c3be3088cbf0aab958cc4c5773205183022100fe4a385ef42cbbe0f47f43610a1855b32a53ba47c4759566cd9b5f3e79894401
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 37639250347030305727942869215330998470226293215840454419691588620165459763008374885254092111892727544488291413935296
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25326900754189383327445002690136108319703304823958558364531523623517421527905199853070498092311691624214986175487260