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

deadzone.net · 104.21.45.200:443

Verified

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

Subject
CN=deadzone.net
Issuer
C=US O=Google Trust Services CN=WE1
Valid from
2026-10-14T13:07:28+00:00
Expires
2027-01-12T14:05:12+00:00
Days remaining
85
Serial (hex)
1491FD56A75CC87813DEDE7148E9E977
Signature
ecdsa-with-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:deadzone.net, DNS:*.deadzone.net

SHA-256 fingerprint

28:D5:A7:B2:C7:8C:36:B2:E7:3E:F7:D0:1F:AD:68:C1:54:0C:C4:AF:53:4E:5F:B9:23:45:5C:EC:F2:5F:D1:01
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
B3:97:7B:91:50:09:AA:AD:3C:E6:B0:D6:07:BD:E1:20:D4:68:A5:48
authorityKeyIdentifier
90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/we1.crt
subjectAltName
DNS:deadzone.net, DNS:*.deadzone.net
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/we1/l8iQGGYTKFI.crl
ct_precert_scts
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 : Oct 14 14:07:28.801 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4E:DC:13:74:F5:D2:31:EB:8F:B5:8C:CD: 07:C7:9B:D0:62:04:C2:B5:C9:0D:F7:53:82:CA:C7:C4: 48:CA:62:53:02:21:00:E5:D4:CF:04:37:96:FA:57:2D: 92:26:B6:8C:A8:4C:24:A8:4C:BA:5C:CE:00:E6:84:C0: EB:4E:91:6D:F1:1E:1B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:E8:22:FC:2B:AB:0E:92:EE:D0:E9:FA:D6:96:64:60: 27:76:D0:17:60:E0:89:05:09:C9:23:A1:B0:3F:C3:7F Timestamp : Oct 14 14:07:25.821 2026 GMT Extensions: 00:00:05:00:0A:54:3C:FF Signature : ecdsa-with-SHA256 30:46:02:21:00:FA:58:0C:75:EB:6C:EC:24:2B:E2:D3: D0:14:78:92:86:62:91:4B:23:0A:60:DB:58:47:B2:CA: 51:ED:95:BD:10:02:21:00:F1:69:4C:AB:EC:9F:34:85: EE:E7:34:02:E7:48:0D:A1:7B:D1:B5:1B:A5:10:EF:BD: 60:E8:67:BB:01:1E:EE:39
-----BEGIN CERTIFICATE-----
MIIDhzCCAy2gAwIBAgIQFJH9VqdcyHgT3t5xSOnpdzAKBggqhkjOPQQDAjA7MQsw
CQYDVQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMQwwCgYD
VQQDEwNXRTEwHhcNMjYxMDE0MTMwNzI4WhcNMjcwMTEyMTQwNTEyWjAXMRUwEwYD
VQQDEwxkZWFkem9uZS5uZXQwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAATonptY
60uul5mZaK3nKj7e6CiZLGFoWFGFdo29lIpBAr7iEa1nbZgr+VZL9BSmowE3s1C6
S27LkVNcf4qugw7ho4ICNTCCAjEwDgYDVR0PAQH/BAQDAgeAMBMGA1UdJQQMMAoG
CCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFLOXe5FQCaqtPOaw1ge9
4SDUaKVIMB8GA1UdIwQYMBaAFJB3kjVnxP+ozKnme9mAeXvMk/k4MDUGCCsGAQUF
BwEBBCkwJzAlBggrBgEFBQcwAoYZaHR0cDovL2kucGtpLmdvb2cvd2UxLmNydDAn
BgNVHREEIDAeggxkZWFkem9uZS5uZXSCDiouZGVhZHpvbmUubmV0MBMGA1UdIAQM
MAowCAYGZ4EMAQIBMDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jLnBraS5nb29n
L3dlMS9sOGlRR0dZVEtGSS5jcmwwggENBgorBgEEAdZ5AgQCBIH+BIH7APkAdgBM
Y9yY5Zwdq4j2Hoo93q6Pq0SjN3tfm5TD+6Gc/MG+JgAAAaE6vVQhAAAEAwBHMEUC
IE7cE3T10jHrj7WMzQfHm9BiBMK1yQ33U4LKx8RIymJTAiEA5dTPBDeW+lctkia2
jKhMJKhMulzOAOaEwOtOkW3xHhsAfwBE6CL8K6sOku7Q6frWlmRgJ3bQF2DgiQUJ
ySOhsD/DfwAAAaE6vUh9AAgAAAUAClQ8/wQDAEgwRgIhAPpYDHXrbOwkK+LT0BR4
koZikUsjCmDbWEeyylHtlb0QAiEA8WlMq+yfNIXu5zQC50gNoXvRtRulEO+9YOhn
uwEe7jkwCgYIKoZIzj0EAwIDSAAwRQIhAKMnl3NK7brC/InlotvVSkWq1Jj2M/ql
pHR4sSxsnIonAiAgX1FAmb0piNEye6z57AqGOfZf2/tE443bnZ0/ZVCFCg==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-18T18:38:50+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Google Trust Services CN=WE1
Issuer
C=US O=Google Trust Services LLC CN=GTS Root R4
Valid from
2023-12-13T09:00:00+00:00
Expires
2029-02-20T14:00:00+00:00
Days remaining
855
Serial (hex)
7FF31977972C224A76155D13B6D685E3
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1D:FC:16:05:FB:AD:35:8D:8B:C8:44:F7:6D:15:20:3F:AC:9C:A5:C1:A7:9F:D4:85:7F:FA:F2:86:4F:BE:BF:96
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
authorityKeyIdentifier
80:4C:D6:EB:74:FF:49:36:A3:D5:D8:FC:B5:3E:C5:6A:F0:94:1D:8C
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/r4.crt
crlDistributionPoints
Full Name: URI:http://c.pki.goog/r/r4.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----
MIICnzCCAiWgAwIBAgIQf/MZd5csIkp2FV0TttaF4zAKBggqhkjOPQQDAzBHMQsw
CQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExMQzEU
MBIGA1UEAxMLR1RTIFJvb3QgUjQwHhcNMjMxMjEzMDkwMDAwWhcNMjkwMjIwMTQw
MDAwWjA7MQswCQYDVQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZp
Y2VzMQwwCgYDVQQDEwNXRTEwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAARvzTr+
Z1dHTCEDhUDCR127WEcPQMFcF4XGGTfn1XzthkubgdnXGhOlCgP4mMTG6J7/EFmP
LCaY9eYmJbsPAvpWo4H+MIH7MA4GA1UdDwEB/wQEAwIBhjAdBgNVHSUEFjAUBggr
BgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4EFgQU
kHeSNWfE/6jMqeZ72YB5e8yT+TgwHwYDVR0jBBgwFoAUgEzW63T/STaj1dj8tT7F
avCUHYwwNAYIKwYBBQUHAQEEKDAmMCQGCCsGAQUFBzAChhhodHRwOi8vaS5wa2ku
Z29vZy9yNC5jcnQwKwYDVR0fBCQwIjAgoB6gHIYaaHR0cDovL2MucGtpLmdvb2cv
ci9yNC5jcmwwEwYDVR0gBAwwCjAIBgZngQwBAgEwCgYIKoZIzj0EAwMDaAAwZQIx
AOcCq1HW90OVznX+0RGU1cxAQXomvtgM8zItPZCuFQ8jSBJSjz5keROv9aYsAm5V
sQIwJonMaAFi54mrfhfoFNZEfuNMSQ6/bIBiNLiyoX46FohQvKeIoJ99cx7sUkFN
7uJW
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Google Trust Services LLC CN=GTS Root R4
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2023-11-15T03:43:21+00:00
Expires
2028-01-28T00:00:42+00:00
Days remaining
466
Serial (hex)
7FE530BF331343BEDD821610493D8A1B
Signature
RSA-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:B2:7B:80:A5:80:27:DC:3C:F1:DA:68:DA:C1:70:10:ED:93:99:7D:0B:60:3E:2F:AD:BE:85:01:24:93:B5:A7
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
80:4C:D6:EB:74:FF:49:36:A3:D5:D8:FC:B5:3E:C5:6A:F0:94:1D:8C
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/gsr1.crt
crlDistributionPoints
Full Name: URI:http://c.pki.goog/r/gsr1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----
MIIDejCCAmKgAwIBAgIQf+UwvzMTQ77dghYQST2KGzANBgkqhkiG9w0BAQsFADBX
MQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEQMA4GA1UE
CxMHUm9vdCBDQTEbMBkGA1UEAxMSR2xvYmFsU2lnbiBSb290IENBMB4XDTIzMTEx
NTAzNDMyMVoXDTI4MDEyODAwMDA0MlowRzELMAkGA1UEBhMCVVMxIjAgBgNVBAoT
GUdvb2dsZSBUcnVzdCBTZXJ2aWNlcyBMTEMxFDASBgNVBAMTC0dUUyBSb290IFI0
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE83Rzp2iLYK5DuDXFgTB7S0md+8Fhzube
Rr1r1WEYNa5A3XP3iZEwWus87oV8okB2O6nGuEfYKueSkWpz6bFyOZ8pn6KY019e
WIZlD6GEZQbR3IvJx3PIjGov5cSr0R2Ko4H/MIH8MA4GA1UdDwEB/wQEAwIBhjAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDwYDVR0TAQH/BAUwAwEB/zAd
BgNVHQ4EFgQUgEzW63T/STaj1dj8tT7FavCUHYwwHwYDVR0jBBgwFoAUYHtmGkUN
l8qJUC99BM00qP/8/UswNgYIKwYBBQUHAQEEKjAoMCYGCCsGAQUFBzAChhpodHRw
Oi8vaS5wa2kuZ29vZy9nc3IxLmNydDAtBgNVHR8EJjAkMCKgIKAehhxodHRwOi8v
Yy5wa2kuZ29vZy9yL2dzcjEuY3JsMBMGA1UdIAQMMAowCAYGZ4EMAQIBMA0GCSqG
SIb3DQEBCwUAA4IBAQAYQrsPBtYDh5bjP2OBDwmkoWhIDDkic574y04tfzHpn+cJ
odI2D4SseesQ6bDrarZ7C30ddLibZatoKiws3UL9xnELz4ct92vID24FfVbiI1hY
+SW6FoVHkNeWIP0GCbaM4C6uVdF5dTUsMVs/ZbzNnIdCp5Gxmx5ejvEau8otR/Cs
kGN+hr/W5GvT1tMBjgWKZ1i4//emhA1JG1BbPzoLJQvyEotc03lXjTaCzv8mEbep
8RqZ7a2CPsgRbuvTPBwcOMBBmuFeU88+FSBX6+7iP0il8b4Z0QFqIwwMHfs/L6K1
vepuoxtGzi4CZ68zJpiq1UvSqTbFJjtbD4seiMHl
-----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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