mail.lmn.su

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:56:bb:75:7f:c8:e1:52:ea:fc:65:f5:06:8c:14:b9:e9:8a 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=mail.lmn.su

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:56:bb:75:7f:c8:e1:52:ea:fc:65:f5:06:8c:14:b9:e9:8a
Serial Number (int): 290850317076207062176219170418775725566346
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f8:49:e5:4b:33:52:a4:d5:3e:23:a9:8d:69:0d:5a:4f:c7:07:f2:cc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5a:8e:d8:11:11:e3:03:e5:90:e4:6e:ac:55:42:74:f3:f9:ff:83:7e
Fingerprint (sha256): 73:55:38:5a:c3:0e:95:6a:db:ae:cb:1b:85:75:f6:f6:6e:43:ca:15:a8:c2:a9:17:ea:eb:84:a6:c0:0d:bf:f3

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 mail.lmn.su

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.lmn.su

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

cp.mail.lmn.su
mail.lmn.su

Other certificates including the domain name lmn.su

(limited to 100 certificates)
pbx.lmn.su
mail.lmn.su
lmn.su
lmn.su
my.lmn.su
lmn.su
my.lmn.su
mail.lmn.su
pbx.lmn.su
pbx.lmn.su
lmn.su
lmn.su
lmn.su
mail.lmn.su
mail.lmn.su
my.lmn.su
mail.lmn.su
mail.lmn.su
mail.lmn.su
mail.lmn.su
lmn.su
cp.mail.lmn.su
lmn.su
my.lmn.su
lmn.su
mail.lmn.su
mnt.lmn.su
pbx.lmn.su
mnt.lmn.su
cp.mail.lmn.su
my.lmn.su
mail.lmn.su
pbx.lmn.su
cp.mail.lmn.su
mail.lmn.su
mail.lmn.su
mail.lmn.su
mail.lmn.su
lmn.su
mail.lmn.su
lmn.su
mnt.lmn.su
my.lmn.su
my.lmn.su
pbx.lmn.su
pbx.lmn.su
lmn.su
mail.lmn.su
mail.lmn.su
lmn.su
lmn.su
mail.lmn.su
pbx.lmn.su
pbx.lmn.su
cp.mail.lmn.su
lmn.su
mail.lmn.su
noc.lmn.su
mail.lmn.su
my.lmn.su
pbx.lmn.su

Certificate

The complete raw certificate details for mail.lmn.su in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr5UUSCYcH0n9y+o5RrR3
GIw5fSJxhkzRGqlcPH+gRW7QX19rzlDljoh3i4ZiEtlElMrr2Oxwd5z+rH3WWghm
EHyNp073+gmRfGhAWbCN+6nuJ5b3WO9tcRVd8pewDz5oa4xjsjZBYlos69ErAG6G
hX00Q98WG/4yGb1g82/vYNC7gZgZteldINuxPMgnbbFQbMeVCu2CngiAT4y977Wk
N8MU8PmY5qcgqsSE0A85R9RSZvYCNv01IIpv3fu+t1tnsCxpoCdqFmnTW31Vli4A
M6jjxDaB6tfkM//Lg1XgSfB9I5LSi4quMTKfgZkRylqFQdezAbwoXj5Wc7/Y8Cun
gQIDAQAB
-----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 290850317076207062176219170418775725566346
 . . . . . . . . [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 04:57:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-06 04:57:45 +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 'mail.lmn.su'
 . . . . . . . . [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 22165217075247038603794373549604467517804031915549419145460742757607206998921361464903258369561599377962966439478087277124538455668115996489059209466360470626136831361010013907309791182384828349792277327841802526957910424676208788314187376518225511567013860668394110769889677969530163616070707253272624868673948487172302483311785002527079413373191479374629282882944613496189553797264902413258466874571860450953918209792325650645900108086732042725062740293595995793251248082535119211649294798542221381962460491028553090482501625736130122050656747448022493537756090460285491950589233668470544889981193437086997830936449
 . . . . . . . . . . . . . . . . . . . . [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)
							f849e54b3352a4d53e23a98d690d5a4fc707f2cc
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cp.mail.lmn.su'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.lmn.su'
 . . . . . . . . . . . . . . . . [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)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001701913620200000403004630440220163b89ca7699d2bb511ded216bed622ebaef6ba73933920f6d2faefceff9631c02204ff9bb8099a319ff4a3061202b2daaeaa009a98d70cc13fe653072db7c27445500750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170191362270000040300463044022053f2aca72b500be314b6a815d1f173bc0c18a62dc16994a1c94f892010c43889022012bbe63a9afd98b6eda9c005f20cebab460c193b8f926f81eadc572fcf23f180
 . . . . [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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