comms.mci-group.com
Issued by R3
About this certificate
This digital certificate with serial number 03:1a:8a:68:73:67:c4:62:6a:40:b4:28:e4:6a:6e:3c:ef:ae 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): 03:1a:8a:68:73:67:c4:62:6a:40:b4:28:e4:6a:6e:3c:ef:aeSerial Number (int): 270368175138215129199784582921930455969710
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ad:e6:3a:14:13:6d:cb:9b:b6:61:64:d3:d7:52:ae:08:89:dc:18:e8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 53:ea:af:04:d9:09:9d:20:89:20:39:b3:66:d5:fa:d3:7b:f8:e5:a1
Fingerprint (sha256): 82:ea:7e:f4:ca:ab:70:f1:61:03:a5:20:3f:0f:a7:03:6e:4e:86:c3:56:8e:d1:34:4e:43:68:5f:37:1f:15:05
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck 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
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skype.mci-group.com
skype.mci-group.com
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reghk.mci-group.com
sip.mci-group.com
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careers.mci-group.com
b-com.mci-group.com
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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
teams-sbc.mci-group.com
vita.mci-group.com
appli-expenses-staging.mci-group.com
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vita.mci-group.com
www.mci-group.com
supporttest.mci-group.com
lync.mci-group.com
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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
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supporttest.mci-group.com
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lync.mci-group.com
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images.mci-group.com
skype.mci-group.com
*.mci-group.com
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b-com.mci-group.com
appli-expenses-staging.mci-group.com
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b-com.mci-group.com
comms.mci-group.com
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fs.mci-group.com
supportdev.mci-group.com
fs.mci-group.com
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citrix.mci-group.com
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Certificate
The complete raw certificate details for comms.mci-group.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE9DCCA9ygAwIBAgISAxqKaHNnxGJqQLQo5GpuPO+uMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMDQxNjQ2NTBaFw0yNDAzMDMxNjQ2NDlaMB4xHDAaBgNVBAMT E2NvbW1zLm1jaS1ncm91cC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK AoIBAQD1TH0quSi1r+0Dn7SMqMrTZUhtIlq6DA8KjVN+4qOxmFewaLiIMrNRdGsd sgXOeTzbUVauPJ9m5cDL7gUwu8qfPedBXxa4wCRxgWlWybB+AXP+fYbKHIMOE2aa S3KPZXrS2tC2EcC+pKCapnQpfx5+0uTz88IZYMHACC3PqR73d4x/g3nLOt/F+Wnd 9ITBgizYgFAGVJAlA0vl/qFl/cooyde51zPbK3uaVqwCF+t5zteINhWkmAzdtK7I wMwspgPFNwvyGgr95Klbjo5dMw3ggSLzA3p2afp2rXuoet+2mOPjr5MlzQxeahtH wDl2mBZ3jy3Gz8btcUTuwseMQuUJAgMBAAGjggIWMIICEjAOBgNVHQ8BAf8EBAMC BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAw HQYDVR0OBBYEFK3mOhQTbcubtmFk09dSrgiJ3BjoMB8GA1UdIwQYMBaAFBQusxe3 WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0 cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5j ci5vcmcvMB4GA1UdEQQXMBWCE2NvbW1zLm1jaS1ncm91cC5jb20wEwYDVR0gBAww CjAIBgZngQwBAgEwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgBIsONr2qZHNA/l agL6nTDrHFIBy1bdLIHZu7+rOdiEcwAAAYw18JxaAAAEAwBHMEUCIFmbojAkBxej fFnTWAjQ/Ydh2X3iy+MBdTIpzVc/k3U9AiEA2eojzqG1Dbdlm/zwCHiCtGbqq89e MF6dmWoRAj8QsoUAdwA7U3d1Pi25gE6LMFsG/kA7Z9hPw/THvQANLXJv4frUFwAA AYw18JxmAAAEAwBIMEYCIQCkrtf0epSz760EnJYU2lez3KKd5ZeJwhsSP3bfwfzX yQIhAJF6++QM3YoyEli3Jt8GaMwDooW0yIzf0szhROlccMjcMA0GCSqGSIb3DQEB CwUAA4IBAQBhrqGXKb+sJiBeQ+Vf7Z9rgkHihcaHbJnIECnm9uamvEkrLZvx3Kur O0IMvKJGbwt97CSWqY+0CAjjh6+0CMb2ay/8y+tc83BNIEovjLI3CxawrQYhW+rK ESmefVDbcc/OJ0QXS4C5kBDxahtjmpJDzIMsIlwk5BXf9/JogkcFAUXLCM6AGZcg p0hJI6x//DaYq6mNtEL5cosLWY5pAjPelz1b03PQ8ylKnkvpSdDv5MLl2l4E3vDL 5MzKI2VnMh3FneiUp6KQaa/fgCnwPVXZQsj8Hg9hh6zCcbJ22BSAjNCy9w/0Po1+ EjUfZLmDHCmCMC4SvojOcfwXqKdq58fN -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9Ux9Krkota/tA5+0jKjK 02VIbSJaugwPCo1TfuKjsZhXsGi4iDKzUXRrHbIFznk821FWrjyfZuXAy+4FMLvK nz3nQV8WuMAkcYFpVsmwfgFz/n2GyhyDDhNmmktyj2V60trQthHAvqSgmqZ0KX8e ftLk8/PCGWDBwAgtz6ke93eMf4N5yzrfxflp3fSEwYIs2IBQBlSQJQNL5f6hZf3K KMnXudcz2yt7mlasAhfrec7XiDYVpJgM3bSuyMDMLKYDxTcL8hoK/eSpW46OXTMN 4IEi8wN6dmn6dq17qHrftpjj46+TJc0MXmobR8A5dpgWd48txs/G7XFE7sLHjELl CQIDAQAB -----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 270368175138215129199784582921930455969710 . . . . . . . . [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 2023-12-04 16:46:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-03 16:46:49 +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 30966102815396119299897491322786302971283481331601581228761707896376226491773442314801365534609212936269129339788903630874597917578941286622519590175689267754571347059011383873439490220230160171091463327607233101047056133692958496014623146580188461098171731233612185301137754972788730649159936785674647566037795812756329668716859784444039282342934754394061407954541107257857107465460929880466545268252507505661503990686459356657031875246167154605284683760996889455345497492607430718170429044962510978543149424038310638402235745969191368705743035931929458375431291165781357811907268057411067423183394614047219220931849 . . . . . . . . . . . . . . . . . . . . [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) ade63a14136dcb9bb66164d3d752ae0889dc18e8 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c35f09c5a00000403004730450220599ba230240717a37c59d35808d0fd8761d97de2cbe301753229cd573f93753d022100d9ea23cea1b50db7659bfcf0087882b466eaabcf5e305e9d996a11023f10b2850077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c35f09c660000040300483046022100a4aed7f47a94b3efad049c9614da57b3dca29de59789c21b123f76dfc1fcd7c9022100917afbe40cdd8a321258b726df0668cc03a285b4c88cdfd2cce144e95c70c8dc . . . . [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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