DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

ns1.msz.ca · 192.99.63.193:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`autoconfig.cpanel1.msz.ca' did not match expected CN=`ns1.msz.ca'

Certificate verification failed

Subject
CN=autoconfig.cpanel1.msz.ca
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-02T21:14:03+00:00
Expires
2026-12-31T21:14:02+00:00
Days remaining
89
Serial (hex)
05B15EA11A8FA15FDA39671EC01183011E2E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.cpanel1.msz.ca, DNS:autodiscover.cpanel1.msz.ca, DNS:cpanel.cpanel1.msz.ca, DNS:cpanel1.msz.ca, DNS:cpcalendars.cpanel1.msz.ca, DNS:cpcontacts.cpanel1.msz.ca, DNS:ipv6.cpanel1.msz.ca, DNS:mail.cpanel1.msz.ca, DNS:webdisk.cpanel1.msz.ca, DNS:webmail.cpanel1.msz.ca, DNS:whm.cpanel1.msz.ca, DNS:www.cpanel1.msz.ca

SHA-256 fingerprint

96:20:4A:C0:AA:1B:8A:A8:ED:71:56:F4:DB:7D:89:05:37:26:37:B1:02:F5:88:F3:C3:EA:2C:19:09:7F:46:BA
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
CF:99:E6:05:F0:6D:6E:35:A5:E5:74:F3:D6:28:6A:44:3D:B5:08:EE
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:autoconfig.cpanel1.msz.ca, DNS:autodiscover.cpanel1.msz.ca, DNS:cpanel.cpanel1.msz.ca, DNS:cpanel1.msz.ca, DNS:cpcalendars.cpanel1.msz.ca, DNS:cpcontacts.cpanel1.msz.ca, DNS:ipv6.cpanel1.msz.ca, DNS:mail.cpanel1.msz.ca, DNS:webdisk.cpanel1.msz.ca, DNS:webmail.cpanel1.msz.ca, DNS:whm.cpanel1.msz.ca, DNS:www.cpanel1.msz.ca
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/47.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Oct 2 22:12:33.414 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:26:6B:30:4A:DD:F0:4C:2D:6C:89:62:9B: 5F:19:CA:43:3C:12:A1:E8:C4:B7:2C:56:D7:A2:C6:FB: 7F:93:65:06:02:20:7A:DC:3F:BF:33:66:31:95:70:24: E7:2C:6D:48:3B:65:6C:EF:A0:98:12:12:9C:1A:64:CE: 93:4C:4E:4D:37:ED Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 2 22:12:35.390 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:79:FC:6F:C0:9E:39:AE:3A:90:CF:89:35: 6B:FD:E6:98:21:18:9E:29:1A:C5:EA:FA:B7:E7:20:81: 41:7A:FC:29:02:21:00:D4:04:E8:1E:B3:42:C5:70:03: C0:48:DA:75:8E:CF:91:66:EB:F4:C8:87:D4:21:F9:36: 7B:B2:55:BA:DF:2F:51
-----BEGIN CERTIFICATE-----
MIIGBjCCBO6gAwIBAgISBbFeoRqPoV/aOWcewBGDAR4uMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjEwHhcNMjYxMDAyMjExNDAzWhcNMjYxMjMxMjExNDAyWjAkMSIwIAYDVQQD
ExlhdXRvY29uZmlnLmNwYW5lbDEubXN6LmNhMIIBIjANBgkqhkiG9w0BAQEFAAOC
AQ8AMIIBCgKCAQEA4s1OIQA9DTqhZwxy3c87gWaRE+AuGqoxPdN39P9cZ8qKeMS2
A6I9tK54ZvhkF/Xdu+iIlvZyZ7JQBV8OVTlEOUu+B1TkXooVpZMyKWw/RyN4LXDd
+Cqo4Bjhw0fFKgMZCDjJneLsty4H5GbyPqZdcUBDPvMuXtbm7zS6jAc2I6wWh4YB
msQmtaEGdgRsRa+RSzijudvTTG4vvdf9FZAtByXB0K2XT/crVhUQIL2xN/B8s//C
C6UG/HfoBc8Xd0TS2/Mqygn9hpSJ/H8X3VpI3EePCzPxyjNxmvc9h0N26KFRIESz
pMd9zfIn81RvKjv/rxPFiikCnFT8hwlsqYuEiwIDAQABo4IDITCCAx0wDgYDVR0P
AQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFM+Z5gXwbW41peV089YoakQ9tQjuMB8GA1UdIwQYMBaAFB8vNb5GFILN
QLGueSxVePr31Gj7MDMGCCsGAQUFBwEBBCcwJTAjBggrBgEFBQcwAoYXaHR0cDov
L3lyMS5pLmxlbmNyLm9yZy8wggElBgNVHREEggEcMIIBGIIZYXV0b2NvbmZpZy5j
cGFuZWwxLm1zei5jYYIbYXV0b2Rpc2NvdmVyLmNwYW5lbDEubXN6LmNhghVjcGFu
ZWwuY3BhbmVsMS5tc3ouY2GCDmNwYW5lbDEubXN6LmNhghpjcGNhbGVuZGFycy5j
cGFuZWwxLm1zei5jYYIZY3Bjb250YWN0cy5jcGFuZWwxLm1zei5jYYITaXB2Ni5j
cGFuZWwxLm1zei5jYYITbWFpbC5jcGFuZWwxLm1zei5jYYIWd2ViZGlzay5jcGFu
ZWwxLm1zei5jYYIWd2VibWFpbC5jcGFuZWwxLm1zei5jYYISd2htLmNwYW5lbDEu
bXN6LmNhghJ3d3cuY3BhbmVsMS5tc3ouY2EwEwYDVR0gBAwwCjAIBgZngQwBAgEw
LgYDVR0fBCcwJTAjoCGgH4YdaHR0cDovL3lyMS5jLmxlbmNyLm9yZy80Ny5jcmww
ggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdQCvZ4g7V7BO3Y+m2X72LqjrgQrHcWDw
JF5V1gwv54WHOgAAAaD+rR4GAAAEAwBGMEQCICZrMErd8EwtbIlim18ZykM8EqHo
xLcsVteixvt/k2UGAiB63D+/M2YxlXAk5yxtSDtlbO+gmBISnBpkzpNMTk037QB2
ANgJVTuUT3r/yBYZb5RPhauw+Pxeh1UmDxXRLnK7RUsUAAABoP6tJb4AAAQDAEcw
RQIgefxvwJ45rjqQz4k1a/3mmCEYnikaxer6t+cggUF6/CkCIQDUBOges0LFcAPA
SNp1js+RZuv0yIfUIfk2e7JVut8vUTANBgkqhkiG9w0BAQsFAAOCAQEARj1YuB83
Vwv6v57oWW4yfRI0Dn9qV9bOiR0sAPSFTGHBYkKli0HFdTuEBhcOHyqFqZfsOB7q
qz5K0eevgOJs2XxW5M8LU8+S1nrY4+p1EJSxNM6/n2ix6qabSH4HynyBWdLIKQQa
Z+t9w+WcoCAOB02O3Bu6afg6mpnOMnS5zxPG0eLCjZhNQGEV+42hdlmZQRk+Kyzi
ojrhE6ZE13zOYGh/SGwZMfPeVb7JtX2JJ3zGnG2OEBhbug8zooMSx7Gp5XfGlJBv
7iWdVnMcyaulMyiht0MBKrplbgEQtB1+CmKrEPEBkMG5epvAKC8+Z5d8/PDs5e6F
m/73EnY3bjgdWg==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-03T17:54:47+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
700
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2161
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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