DV SSL/TLS Certificate for plaintext.email

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the plaintext.email DV SSL/TLS Certificate

This certificate with serial number 06:fe:70:28:ff:0a:49:5e:79:91:30:8c:f3:62:2c:13:26:d2 for plaintext.email was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for plaintext.email provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:fe:70:28:ff:0a:49:5e:79:91:30:8c:f3:62:2c:13:26:d2
Serial Number (int): 609254523188711538745458139117642002409170
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: d3:48:27:3d:43:d4:8c:26:7a:e5:51:98:a1:ef:ab:59:4a:64:fa:ba
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 82:e3:71:5e:b2:03:37:1d:8d:90:be:a1:42:9f:03:22:e2:1c:c3:94
Fingerprint (SHA-256): 8f:29:cf:e1:ea:03:5a:f6:9d:da:41:bf:a1:f9:4f:a5:70:f5:ff:a6:c7:a6:1b:4a:a1:46:40:ce:22:f4:14:44

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/83.crl

Check the revocation status for certificate plaintext.email
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for plaintext.email

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for plaintext.email in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt6voTBe/pPvk+EKTE2ZJ
Z6KXo2SWLNsLl+kCde63Jp5UdaqAkpKRJZveQ2u4WauBUnUpKvMWC31SwgP+rs0K
LILzSeg7aJrTdFxl3QQpYpZ3+NuptCzwsrgCIfF7xV5jRhtKBRPQI5G12Bdka/Gc
ZMh2dMvodjpxBkq1U6dQvqWP9jxgnUAaGH+vqEijmL7hwqTNtezyqPS47meeBn0p
+Jjjl1+IKNYSrIvOiL4arwyLQUummqGkKXrBD4l7yZRkkGG8fdyGz7tZZc0GIMEb
SfDB50WwZ4PojWSHcAFt+DqY4LnvF+rmAb5+xAY8PmKXYUBNWlJe6R+IiiyDtmJZ
hwIDAQAB
-----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 609254523188711538745458139117642002409170
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-02 17:32:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-30 17:32:32 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'plaintext.email'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 23186380512641399789550016498757417249123113226543708760360269855196587475745277911134150785654061025141447112811710925277358440674980642478814940397326006215898645647285318604342350235150316681777882677779350317107907593125690614816812264206751547591631774792325575339600922961236730184735651821157609508934362094553132939132508302586198932817949625957069085281953835304590459778686539670462120924291937031192957817085289579822296515438943091469555727614382360870891629153584105850164072461903706797184569276590515444365276389492979849372604743365285654237444574581210251455048624620017925500647229763253219392379271
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							d348273d43d48c267ae55198a1efab594a64faba
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.plaintext.email'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'plaintext.email'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/83.crl'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197cc681989000004030048304602210082349648869052a17f42bb94da687f5a5e0d4b6dc97ec2c29ab28736027739d402210095578b84c977c205a3e0850e514f17bcac93bb33ee93d5a9c8365ad523fd1faf007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197cc6821a30000040300483046022100e3b26e9a86008f2bef54fc5a0c9761c418a63e90de45a43dec42fbb192100414022100e2a6ad1ce472ced52e8bcb04fdccd3876051097e4000ec98c1e697c323c1ae74
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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