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

merit.edu · 207.75.117.26:443

Verified

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

Subject
CN=*.merit.edu
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-01-29T00:00:00+00:00
Expires
2027-01-29T23:59:59+00:00
Days remaining
125
Serial (hex)
48E0D330BBE1A7A11748EFD89BEB0F31
Signature
RSA-SHA256
Public key
RSA 3072

Subject alternative names (SAN)

DNS:*.merit.edu, DNS:merit.edu

SHA-256 fingerprint

AC:73:3D:9E:12:5E:88:4E:6C:11:4F:66:AB:08:5D:9B:49:D2:A5:D7:F7:DE:20:A8:6D:84:91:80:AC:78:90:25
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
71:1D:A5:58:36:E6:EF:68:EF:E7:B4:E1:5A:3D:F5:49:46:50:57:9F
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.merit.edu, DNS:merit.edu
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Jan 29 16:48:26.454 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:81:A3:28:00:F4:07:07:F1:15:A0:93: 77:49:A0:5C:23:85:18:1C:A9:8A:E1:0C:D4:66:81:08: 85:F4:54:BF:52:02:20:7D:8C:F7:F6:1E:90:FB:ED:7C: 4B:94:C8:92:8A:5E:F7:4D:E1:E6:A2:9D:EC:58:ED:A3: C6:7B:BB:99:13:18:4D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Jan 29 16:48:27.186 2026 GMT Extensions: 00:00:05:00:02:10:56:99 Signature : ecdsa-with-SHA256 30:44:02:20:42:3B:CE:32:16:98:60:C3:A6:BE:EA:8F: 48:AE:33:6D:98:BB:F5:D6:1E:A6:30:47:45:83:19:3E: EB:9A:B8:34:02:20:65:D3:29:E6:A0:BF:DB:FC:3B:F7: C6:77:93:BB:48:A6:F9:BF:0F:32:92:9D:97:BA:27:21: 29:01:3B:1B:35:C0 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Jan 29 16:48:26.634 2026 GMT Extensions: 00:00:05:00:00:1D:BE:22 Signature : ecdsa-with-SHA256 30:45:02:21:00:FF:3C:E7:09:1E:F6:EA:90:2A:2D:DF: 2B:61:4D:C2:C5:5F:B6:1C:B8:6A:C3:51:88:39:A2:8D: BD:F7:52:10:40:02:20:41:0D:AD:7A:55:AE:A2:86:EC: 12:BA:93:A6:88:A2:49:A0:21:21:83:76:E5:AA:A4:1D: CF:CF:B3:2D:AA:9C:A8
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-26T20:50:50+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2021-03-22T00:00:00+00:00
Expires
2036-03-21T23:59:59+00:00
Days remaining
3464
Serial (hex)
397A66CC2756362E0DAA87CA6EABE3B1
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8C:54:C3:34:B6:6B:A4:E4:26:77:2A:F4:A3:F9:13:6C:19:A1:AE:C7:29:FD:B2:8C:53:5C:07:A5:A4:EF:22:E0
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----BEGIN CERTIFICATE-----
MIIGTDCCBDSgAwIBAgIQOXpmzCdWNi4NqofKbqvjsTANBgkqhkiG9w0BAQwFADBf
MQswCQYDVQQGEwJHQjEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTYwNAYDVQQD
Ey1TZWN0aWdvIFB1YmxpYyBTZXJ2ZXIgQXV0aGVudGljYXRpb24gUm9vdCBSNDYw
HhcNMjEwMzIyMDAwMDAwWhcNMzYwMzIxMjM1OTU5WjBgMQswCQYDVQQGEwJHQjEY
MBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQDEy5TZWN0aWdvIFB1Ymxp
YyBTZXJ2ZXIgQXV0aGVudGljYXRpb24gQ0EgRFYgUjM2MIIBojANBgkqhkiG9w0B
AQEFAAOCAY8AMIIBigKCAYEAljZf2HIz7+SPUPQCQObZYcrxLTHYdf1ZtMRe7Yeq
RPSwygz16qJ9cAWtWNTcuICc++p8Dct7zNGxCpqmEtqifO7NvuB5dEVexXn9RFFH
12Hm+NtPRQgXIFjx6MSJcNWuVO3XGE57L1mHlcQYj+g4hny90aFh2SCZCDEVkAja
EMMfYPKuCjHuuF+bzHFb/9gV8P9+ekcHENF2nR1efGWSKwnfG5RawlkaQDpRtZTm
M64TIsv/r7cyFO4nSjs1jLdXYdz5q3a4L0NoabZfbdxVb+CUEHfB0bpulZQtH1Rv
38e/lIdP7OTTIlZh6OYL6NhxP8So0/sht/4J9mqIGxRFc0/pC8suja+wcIUna0HB
pXKfXTKpzgis+zmXDL06ASJf5E4A2/m+Hp6b84sfPAwQ766rI65mh50S0Di9E3Pn
2WcaJc+PILsBmYpgtmgWTR9eV9otfKRUBfzHUHcVgarub/XluEpRlTtZudU5xbFN
xx/DgMrXLUAPaI60fZ6wA+PTAgMBAAGjggGBMIIBfTAfBgNVHSMEGDAWgBRWc1hk
lfmSGrASKgRieaFAFYghSTAdBgNVHQ4EFgQUaMASFhgOr872h6YyV6NGUV3LBycw
DgYDVR0PAQH/BAQDAgGGMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0lBBYwFAYI
KwYBBQUHAwEGCCsGAQUFBwMCMBsGA1UdIAQUMBIwBgYEVR0gADAIBgZngQwBAgEw
VAYDVR0fBE0wSzBJoEegRYZDaHR0cDovL2NybC5zZWN0aWdvLmNvbS9TZWN0aWdv
UHVibGljU2VydmVyQXV0aGVudGljYXRpb25Sb290UjQ2LmNybDCBhAYIKwYBBQUH
AQEEeDB2ME8GCCsGAQUFBzAChkNodHRwOi8vY3J0LnNlY3RpZ28uY29tL1NlY3Rp
Z29QdWJsaWNTZXJ2ZXJBdXRoZW50aWNhdGlvblJvb3RSNDYucDdjMCMGCCsGAQUF
BzABhhdodHRwOi8vb2NzcC5zZWN0aWdvLmNvbTANBgkqhkiG9w0BAQwFAAOCAgEA
YtOC9Fy+TqECFw40IospI92kLGgoSZGPOSQXMBqmsGWZUQ7rux7cj1du6d9rD6C8
ze1B2eQjkrGkIL/OF1s7vSmgYVafsRoZd/IHUrkoQvX8FZwUsmPu7amgBfaY3g+d
q1x0jNGKb6I6Bzdl6LgMD9qxp+3i7GQOnd9J8LFSietY6Z4jUBzVoOoz8iAU84OF
h2HhAuiPw1ai0VnY38RTI+8kepGWVfGxfBWzwH9uIjeooIeaosVFvE8cmYUB4TSH
5dUyD0jHct2+8ceKEtIoFU/FfHq/mDaVnvcDCZXtIgitdMFQdMZaVehmObyhRdDD
4NQCs0gaI9AAgFj4L9QtkARzhQLNyRf87Kln+YU0lgCGr9HLg3rGO8q+Y4ppLsOd
unQZ6ZxPNGIfOApbPVf5hCe58EZwiWdHIMn9lPP6+F404y8NNugbQixBber+x536
WrZhFZLjEkhp7fFXf9r32rNPfb74X/U90Bdy4lzp3+X1ukh1BuMxA/EEhDoTOS3l
7ABvc7BYSQubQ2490OcdkIzUh3ZwDrakMVrbaTxUM2p24N6dB+ns2zptWCva6jzW
r8IWKIMxzxLPv5Kt3ePKcUdvkBU/smqujSczTzzSjIoR5QqQA6lN1ZRSnuHIWCvh
JEltkYnTAH41QJ6SAWO66GrrUESwN/cgZzL4JLEqz1Y=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2021-03-22T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4132
Serial (hex)
D27FBBC1DE359E5216AD6149586099C4
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

92:F3:51:BF:3D:54:16:4D:FA:8D:D8:F9:E1:13:9D:31:50:34:97:86:48:5D:2B:9E:EC:D0:0E:29:71:C1:E6:C5
Certificate extensions & PEM
authorityKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
subjectKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustRSACertificationAuthority.crl
authorityInfoAccess
OCSP - URI:http://ocsp.usertrust.com
-----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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