DV SSL/TLS Certificate for mta-sts.www.suminda.com

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the mta-sts.www.suminda.com DV SSL/TLS Certificate

This certificate with serial number 06:93:f0:61:88:81:b0:6d:01:5b:b9:31:d2:cd:dd:f9:a5:60 for mta-sts.www.suminda.com was issued on by Let's Encrypt.

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 mta-sts.www.suminda.com 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): 06:93:f0:61:88:81:b0:6d:01:5b:b9:31:d2:cd:dd:f9:a5:60
Serial Number (int): 573014744668405831898660882265875790013792
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 80:2c:52:fc:bf:b9:e4:99:7a:7d:96:65:c6:5b:dc:68:06:97:c8:50
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): dd:79:e1:d1:1b:e9:1d:4b:07:95:98:8d:a5:ed:8f:97:78:b9:63:74
Fingerprint (SHA-256): 78:26:a4:ec:ba:0a:0e:09:48:2b:fd:d9:7c:59:f3:0c:ce:90:ce:cc:24:ed:a2:9a:bc:7e:df:fb:b1:e8:6b:d2

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/97.crl

Check the revocation status for certificate mta-sts.www.suminda.com
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for mta-sts.www.suminda.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

mta-sts.www.suminda.com

X.509 Certificate

The complete raw X.509 certificate details for mta-sts.www.suminda.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 573014744668405831898660882265875790013792
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-28 04:04:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-26 04:04:23 +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 'mta-sts.www.suminda.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
 . . . . . . . . . . . . . . . . [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 687047535022144102678107318089337660229506652759298833063085873497912892378548924815975341955866469174758603379236783498850707982525100584301787712767169939289161458832482132354021603224399988484709211164985863512267187118542788423708482729912535992024099487201110415705969224679773555250851005847255576859498907790871986319248283234870349502604135035247925809142553218875621449112649850330419964195908456848572317566094732320512332718610681541506473310123873112711019458943221406992200300502808645568027893502992304924036808347753037781329297666250590426526449178760245573610498464480114121788615675174379457919124127728140345184750977728120622948852684135929284393283853830897725816943005380228763550158253851657156259162392169925872052484040462985577474228527124723031016114397255619491027159869647599977731758282269993976159631936875180282797667566647363144575870630993592733068442747289857855786649323033664837392146368291425977544874609923412709187477991745480790294805271405495221633468132158309139063944469572970916867327508290458491167499322093320489227594133275305276773998027845277514677763107168815211605426425018250816254880200517374711363482393834487704248702291338852473657554634511499379753840959868308226814341152673
 . . . . . . . . . . . . . . . . . . . . [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)
							802c52fcbfb9e4997a7d9665c65bdc680697c850
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mta-sts.www.suminda.com'
 . . . . . . . . . . . . . . . . [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://r10.c.lencr.org/97.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa34000001984f698e320000040300483046022100c8817c57dff3a6548830ed6918e7c5ca5715ba57d2882f838f2bcf1871459fec022100899341c571930bcd716d0920c78564063a4267fa609ffa8682aadde07b712bd9007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001984f698e7d00000403004630440220285ff717e7ded03e1ffc98af3813a5eece261c9292d2654375e640eb7b2168ce02203ac35dca17f06ecc33ee9469d6707fe703b0012813d24f08ad6c3fc6b9822f7b
 . . . . [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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