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

rmutt.ac.th · 45.60.36.44:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=www.rmutt.ac.th
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Atlas R46 DV TLS CA 2026 Q3
Valid from
2026-08-25T04:05:28+00:00
Expires
2026-11-23T04:05:28+00:00
Days remaining
40
Serial (hex)
0109979322E79052897F624E50FF1812
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.rmutt.ac.th, DNS:rmutt.ac.th

SHA-256 fingerprint

BD:B6:67:E2:79:E4:E9:6F:29:29:52:8E:FA:4A:6B:B3:46:F3:3B:C0:6B:AB:45:BF:6E:F4:7D:A2:96:66:C3:AC
Certificate extensions & PEM
subjectAltName
DNS:www.rmutt.ac.th, DNS:rmutt.ac.th
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
88:F9:CE:D2:54:E4:63:EC:47:FC:05:E9:6F:B9:1C:02:59:5B:96:95
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
basicConstraints
CA:FALSE
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/ca/gsatlasr46dvtlsca2026q3 CA Issuers - URI:http://secure.globalsign.com/cacert/gsatlasr46dvtlsca2026q3.crt
authorityKeyIdentifier
DC:52:7D:D4:10:17:BE:E5:FB:01:44:B0:FB:19:CA:C7:EE:D0:28:EB
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/ca/gsatlasr46dvtlsca2026q3.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Aug 25 04:05:31.462 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DA:DA:06:9C:24:F1:FC:47:3E:8D:0B: F1:A6:0A:AB:9A:C7:70:DD:E8:97:EA:74:E7:20:98:68: 6A:F9:ED:68:11:02:20:73:02:25:C8:48:B8:90:FD:0F: A0:07:B3:2C:A3:E0:40:67:F6:3D:37:36:D3:2B:CA:4C: 5F:7E:2B:49:F1:CA:3F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Aug 25 04:05:31.552 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:90:E5:5E:6D:59:19:15:97:39:88:B0: D2:A0:49:6B:25:B9:24:68:37:8B:F7:F0:E1:CA:61:F4: EC:3D:C9:06:39:02:20:67:94:26:90:AA:EC:CF:7D:75: 0F:30:B9:8F:80:45:3D:0A:54:A2:B9:03:72:4F:19:C7: 4D:6F:56:6A:30:4C:F2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-13T07:11:38+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Atlas R46 DV TLS CA 2026 Q3
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2026-04-22T03:00:05+00:00
Expires
2028-04-22T00:00:00+00:00
Days remaining
556
Serial (hex)
85AC708351E68DF704248BFDF17E4272
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

99:AE:C9:2E:EA:8F:B5:36:F7:4D:FB:FB:82:44:E4:C8:F5:AC:3B:65:8F:7A:98:86:19:79:7A:4D:04:AC:10:36
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
DC:52:7D:D4:10:17:BE:E5:FB:01:44:B0:FB:19:CA:C7:EE:D0:28:EB
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----BEGIN CERTIFICATE-----
MIIGgTCCBGmgAwIBAgIRAIWscINR5o33BCSL/fF+QnIwDQYJKoZIhvcNAQEMBQAw
RjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExHDAaBgNV
BAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwHhcNMjYwNDIyMDMwMDA1WhcNMjgwNDIy
MDAwMDAwWjBZMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1z
YTEvMC0GA1UEAxMmR2xvYmFsU2lnbiBBdGxhcyBSNDYgRFYgVExTIENBIDIwMjYg
UTMwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCY6mwX0ywa0fqWKs14
OsVUvkp4ihP0WMxH4/mSVOEgjpNZP4MHvswpqr8OXi6KG2tr90nIsOpeQ/VeFwZL
NZ9nX1Bgnf9H+AaPsIciosRkv87m+QCjQXp3onTOY9UKgX3Ch7N4TQu8NGSE6ndo
B48cSU8Qf7wIkXo8T0QmfH2wYQEi195N2yzy7bOa5cqn0+ZNZv3xuP2jxssdENOj
seLB7AvK42g5LUtUhFu8u3/943WmnuptLg7/+8eSsU5ArHap/PCw0GC/7AvxL1yn
67m6LArRhJHrfSetinG/vbRjsXSFX97zq2haL601FSEklgIgitzFVfgMFQIg2VI0
c5iF4xzgWIGEObrux5NAz1TTXkYbcIXXbkdOGuLD9evwdZ9R0/MmGg4Zi4nrMAqi
wyWW9b3jUqoAg2cCXDH1jr9/3Rbhljp5gZ9uArvrHmSv/VlOgSCHdPrZXIw6IkaR
g787Ez19nVzIBqSC0lWi+8xnBVFiBIyHGsig7KdY+DVJYqC8U1wMRnt/GWCPAjSd
YoY3qZ3Y001xWWHGCWrifM1UD4meeu2ke/q+vjHZVGvvkyOdizlwUjUTUcl1Jmjc
feEtw6k6vAyKt8pC0pbRY82nMEHXs/I03PFmszNEJt+q1xnVVK6WGHyPf+eeO6jO
xwzLvmv/d5j7bGpnlkHmGNUShwIDAQABo4IBVTCCAVEwDgYDVR0PAQH/BAQDAgGG
MBMGA1UdJQQMMAoGCCsGAQUFBwMBMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0O
BBYEFNxSfdQQF77l+wFEsPsZysfu0CjrMB8GA1UdIwQYMBaAFANcq3OBh6jMsKbV
lOI2lkn/BZksMHsGCCsGAQUFBwEBBG8wbTAuBggrBgEFBQcwAYYiaHR0cDovL29j
c3AuZ2xvYmFsc2lnbi5jb20vcm9vdHI0NjA7BggrBgEFBQcwAoYvaHR0cDovL3Nl
Y3VyZS5nbG9iYWxzaWduLmNvbS9jYWNlcnQvcm9vdHI0Ni5jcnQwNgYDVR0fBC8w
LTAroCmgJ4YlaHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9yb290cjQ2LmNybDAh
BgNVHSAEGjAYMAgGBmeBDAECATAMBgorBgEEAaAyCgEDMA0GCSqGSIb3DQEBDAUA
A4ICAQBYuEMqjS47yqkA3jH1Tp4wE1qQsAf5AtdDQgL4y0SOfy26mYqN2gJdTpFM
0Jig/rWvvUU1Br16/D1MYD8lT2MLhHLq5QhoFoeDOU5y3s1ShHOvXmS4i35DLXth
+gKl4tCgc96Q9hnF7gWYF1C43TRTGs9/ByFbzxbyKQt5zrS/Q7Y4TYi+sidexqIR
5xEleqYx5RtvKPXSQOhlfa2FmrntklchsmiKkcY9I0h5kf2xTno8nBp0Fp3BDI5+
ym7lyNbK71AlHZKiBi3q3UEJWRSjOAnm2McpUoEd0lH2xiSqIHOLZEdfKqaueZlW
w5ksWMiq9cGfPy6K7yGI87PfjcDsUEk+RFvdgfLA5oAUPzSTA1jrzUEESbxy3fzM
UHtL22zXqY031Gno8eDwmaQ9zlXN5mPiu8esvVvirMzPi0pOhFGZ6ypmEtfelwKm
NReBhcjLsA+fu2yxJbuqvG+nFw/jhBCvhVJ+VwDPppBQ62xqMpjC7klvKmkdB/Sl
jMeZoHtUWq9y7MKkez1MkQn6vp5aC6RxdtIDhX0uc4Yu34jV/yu9dcnu62gAyl5N
aZz6tM2kaMIlRKtirAmKoHFHok+4OfV+nYgxXEBch53I4GXqFBl1Y5laMhjiaZjy
+xYBUGAtfd/HdwYByoVYfZFBFhZcmWWSNbXvHEn6WW6UJ8NDSg==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2019-11-20T00:00:00+00:00
Expires
2029-03-18T00:00:00+00:00
Days remaining
886
Serial (hex)
75A8BAD878F8AF305F72DD1C1140DF3A
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A6:3C:13:98:B5:F8:DD:2D:43:2F:BE:4C:2C:19:14:2B:EA:6D:5D:02:21:FA:E7:94:71:8A:E7:59:7A:CC:A9:6D
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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