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

brandsecurity.gmo · 104.18.3.32:443

Verified

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

Subject
C=JP ST=Tokyo L=Shibuya-ku O=GMO BRAND SECURITY Inc. CN=*.brandsecurity.gmo
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2026-03-02T07:41:16+00:00
Expires
2027-04-03T07:41:15+00:00
Days remaining
190
Serial (hex)
53129028D8A46B07B0F2382D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.brandsecurity.gmo, DNS:brandsecurity.gmo

SHA-256 fingerprint

BF:C2:70:1C:2A:F2:DD:04:4D:64:35:18:90:B8:11:5E:D4:4B:8F:25:57:2C:E5:63:DF:69:C4:38:21:50:75:2D
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
subjectAltName
DNS:*.brandsecurity.gmo, DNS:brandsecurity.gmo
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
FD:C7:4E:9D:48:7C:8E:E1:47:7F:86:E1:72:56:FB:57:43:C8:FB:78
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 : Mar 2 07:41:19.141 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9C:33:81:63:A7:20:C7:04:43:24:03: E2:D7:C4:5D:7B:76:FC:FF:59:D6:73:55:FA:39:A0:F1: 8F:53:BE:64:58:02:20:0C:35:61:6B:F2:C0:6B:9D:D2: 1A:63:63:C2:3B:C8:EE:B9:09:28:4E:BD:33:1D:B9:33: D0:6C:FF:E3:1D:5A:55 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Mar 2 07:41:19.098 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F4:CD:2A:9E:24:AE:72:B4:44:7A:AB: BD:0F:EE:C2:2E:EF:E1:49:60:78:A3:1D:75:B2:79:D5: 24:05:0C:B0:9A:02:20:10:73:F3:42:33:AD:E2:3E:7D: DE:F5:20:A3:E7:17:42:4C:0B:9F:86:60:5B:1E:EE:1F: A0:AC:8F:17:23:7F:50 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Mar 2 07:41:19.315 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1C:F2:B1:23:3C:0B:AA:F8:31:C1:CC:40: F9:04:C3:3A:17:4F:89:A9:CD:1D:30:0B:AC:C2:0A:51: 28:9E:0E:D7:02:20:6E:8E:DF:B2:F9:7F:6E:B0:FD:88: BA:9E:72:89:91:38:8B:75:B1:E3:9E:4A:7D:9E:A2:2C: F6:85:B8:53:51:CD
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-24T23:38:55+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
788
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
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-----
MIIETjCCAzagAwIBAgINAe5fIh38YjvUMzqFVzANBgkqhkiG9w0BAQsFADBMMSAw
HgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFs
U2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjAeFw0xODExMjEwMDAwMDBaFw0yODEx
MjEwMDAwMDBaMFAxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52
LXNhMSYwJAYDVQQDEx1HbG9iYWxTaWduIFJTQSBPViBTU0wgQ0EgMjAxODCCASIw
DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKdaydUMGCEAI9WXD+uu3Vxoa2uP
UGATeoHLl+6OimGUSyZ59gSnKvuk2la77qCk8HuKf1UfR5NhDW5xUTolJAgvjOH3
idaSz6+zpz8w7bXfIa7+9UQX/dhj2S/TgVprX9NHsKzyqzskeU8fxy7quRU6fBhM
abO1IFkJXinDY+YuRluqlJBJDrnw9UqhCS98NE3QvADFBlV5Bs6i0BDxSEPouVq1
lVW9MdIbPYa+oewNEtssmSStR8JvA+Z6cLVwzM0nLKWMjsIYPJLJLnNvBhBWk0Cq
o8VS++XFBdZpaFwGue5RieGKDkFNm5KQConpFmvv73W+eka440eKHRwup08CAwEA
AaOCASkwggElMA4GA1UdDwEB/wQEAwIBhjASBgNVHRMBAf8ECDAGAQH/AgEAMB0G
A1UdDgQWBBT473/yzXhnqN5vjySNiPGHAwKz6zAfBgNVHSMEGDAWgBSP8Et/qC5F
JK5NUPpjmove4t0bvDA+BggrBgEFBQcBAQQyMDAwLgYIKwYBBQUHMAGGImh0dHA6
Ly9vY3NwMi5nbG9iYWxzaWduLmNvbS9yb290cjMwNgYDVR0fBC8wLTAroCmgJ4Yl
aHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9yb290LXIzLmNybDBHBgNVHSAEQDA+
MDwGBFUdIAAwNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xvYmFsc2lnbi5j
b20vcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAJmQyC1fQorUC2bbmANz
EdSIhlIoU4r7rd/9c446ZwTbw1MUcBQJfMPg+NccmBqixD7b6QDjynCy8SIwIVbb
0615XoFYC20UgDX1b10d65pHBf9ZjQCxQNqQmJYaumxtf4z1s4DfjGRzNpZ5eWl0
6r/4ngGPoJVpjemEuunl1Ig423g7mNA2eymw0lIYkN5SQwCuaifIFJ6GlazhgDEw
fpolu4usBCOmmQDo8dIm7A9+O4orkjgTHY+GzYZSR+Y0fFukAj6KYXwidlNalFMz
hriSqHKvoflShx8xpfywgVcvzfTO3PYkz6fiNJBonf6q8amaEsybwMbDqKWwIX7e
SPY=
-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2018-09-19T00:00:00+00:00
Expires
2028-01-28T12:00:00+00:00
Days remaining
490
Serial (hex)
01EE5F169DFF97352B6465D66A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:5E:EC:78:BC:61:21:50:44:A0:37:96:56:AA:2D:5D:B5:E4:2F:76:CB:70:B8:D1:4C:20:77:AA:94:3D:4E:BB
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root.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

Registration / WHOIS →DNS records →