comms.mci-group.com

Issued by R3

About this certificate

This digital certificate with serial number 03:02:0d:8b:89:be:83:b4:30:b8:76:ba:f8:84:f6:8a:7b:da 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=comms.mci-group.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:02:0d:8b:89:be:83:b4:30:b8:76:ba:f8:84:f6:8a:7b:da
Serial Number (int): 262035427016115384065186109525033726147546
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e6:26:b0:2a:cd:a1:ff:5d:bc:30:7c:89:a7:3c:6f:f1:6a:cc:6e:25
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 37:44:aa:4b:5a:8f:ce:5c:b3:58:34:9e:95:f9:37:eb:f9:ab:3b:bc
Fingerprint (sha256): db:ae:a6:4e:be:87:a1:79:e9:83:2a:95:20:cc:81:6d:39:95:3b:5a:b4:50:6d:2e:20:30:2b:e4:a0:f4:ca:9c

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate comms.mci-group.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for comms.mci-group.com

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

comms.mci-group.com

Other certificates including the domain name mci-group.com

(limited to 100 certificates)
b-com.mci-group.com
teams-sbc.mci-group.com
vita.mci-group.com
appli-expenses-staging.mci-group.com
www.mci-group.com
vita.mci-group.com
www.mci-group.com
supporttest.mci-group.com
lync.mci-group.com
*.mci-group.com
aedubsbc001p.mci-group.com
www.mci-group.com
www.scandinavia.mci-group.com
www.mci-group.com
*.mci-group.com
support.mci-group.com
lync.mci-group.com
cvs.mci-group.com
remote.mci-group.com
simone-preprod.coccinet.eu
citrix.mci-group.com
b-com.mci-group.com
*.mci-group.com
supporttest.mci-group.com
supporttest.mci-group.com
www.mci-group.com
www.mci-group.com
careers.mci-group.com
lync.mci-group.com
association.mci-group.com
skype.mci-group.com
fs.mci-group.com
supportdev.mci-group.com
association.mci-group.com
association.mci-group.com
b-com.mci-group.com
www.mci-group.com
b-com.mci-group.com
registration.mci-group.com
reghk.mci-group.com
vita.mci-group.com
www.mci-group.com
comms.mci-group.com
skype.mci-group.com
skype.mci-group.com
images.mci-group.com
skype.mci-group.com
*.mci-group.com
reghk.mci-group.com
images.mci-group.com
reghk.mci-group.com
sip.mci-group.com
www.mci-group.com
association.mci-group.com
vita.mci-group.com
careers.mci-group.com
b-com.mci-group.com
appli-expenses-staging.mci-group.com
supportdev.mci-group.com
www.mci-group.com
B-COM.NOVARTIS.NGIT.CH
skype.mci-group.com
b-com.mci-group.com
comms.mci-group.com
*.mci-group.com
cvs.mci-group.com
fs.mci-group.com
supportdev.mci-group.com
fs.mci-group.com
remote.mci-group.com
citrix.mci-group.com
support.mci-group.com
support.mci-group.com
*.mci-group.com
b-com.mci-group.com
images.mci-group.com

Certificate

The complete raw certificate details for comms.mci-group.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAue46EmUerVnZ4COGveLY
r1D8hhowGkz9qg6XgSckvtC/W+YMUyBJMgEQLc9HvtLxBeMBXnSaI40EfvnRWG/g
iYfWcZ8SEEEkRW1R785Y7RMIkhHMBWGjv831sl/FiqJYnueIAZkX+zbUa37GxTWy
JTrN4Ebmr4RGc65s6rfM/CyoevjxQq9A6A+I7d84+s3JrS+EbF6GU8M/61LLzRbc
UkhbxBuwdSpRFeCOnB3suZq/hPSPmSu3SmeIkQBeOTg+V+a8nfuR6cb3u+Uk81ib
/eXK+ZPj78HS91P6gGg8Z/JJ39ZgwhAXspw536rD9s8DPvPfbfRg0qzH8kY68Y5N
LwIDAQAB
-----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 262035427016115384065186109525033726147546
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-02 16:03:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-02 16:03:26 +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 'comms.mci-group.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23471560453412805359468091453750220963114589862852442353548931060175779529101270023715466288195682911480282120287953634769385413545514637748374859402456318029304032487165799347927608354166383518212998153311544647022012172627968615544834777624471264963401356710946081844885042027848911624984137655320406350039973472336717786967628940799565413176140438212023373880671001625801136935838042560216759934096084619398990950097918964669925859675002430313268423456570978372294373139175527667575969219486416917112879370731776063302013703674911342125996620421161481711797731327081994598493950598354527486988741152391102536240431
 . . . . . . . . . . . . . . . . . . . . [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)
							e626b02acda1ff5dbc307c89a73c6ff16acc6e25
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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://r3.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://r3.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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'comms.mci-group.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 (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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d6ac6754000000403004630440220542937f00d537a5285679ee6dcefb61658cd24d32acc246f21857a42f4ed41010220009733b384a2b10d8ba3a628ba6b82667da06abc9dbb8113bbbf6303c21327a00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d6ac6754a00000403004630440220584ade5f579c8d6049375d4e28f563fb082ffc6ed8013889c52476474f48d93c02205990d13a0cbf8831ee4be0bd71ee1c7bb2e33a9ecf169f5c63f87e657d286e0d
 . . . . [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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