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

1of1servers.com · 172.67.70.237:443

Verified

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

Subject
CN=1of1servers.com
Issuer
C=US O=Google Trust Services CN=WE1
Valid from
2026-09-19T16:50:51+00:00
Expires
2026-12-18T17:50:49+00:00
Days remaining
70
Serial (hex)
D1695B9D2216FEF70E8E4A60C664A905
Signature
ecdsa-with-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:1of1servers.com, DNS:shield-attacks-db.1of1servers.com

SHA-256 fingerprint

1D:12:B5:48:7F:34:DC:1A:8F:E6:88:34:94:DB:21:D8:8A:FC:03:CF:D1:0F:EC:97:F6:52:86:7F:91:7C:04:03
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
00:5F:84:12:C8:99:45:F2:AA:D7:B5:06:FA:33:27:42:54:1C:39:E2
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:1of1servers.com, DNS:shield-attacks-db.1of1servers.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/we1/4n7fGe0kUNo.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 : Sep 19 17:50:52.017 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F7:53:67:43:D0:1C:93:70:F3:49:99: 1C:38:C9:22:7E:4C:0E:64:B6:53:52:F6:BC:6E:85:19: 60:11:DC:12:CB:02:21:00:A3:00:F9:B9:73:FE:4F:5F: CE:E0:A2:CC:E9:12:72:C9:29:F1:49:20:C5:30:96:58: 7F:DE:3C:ED:68:48:EE:7C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 74:DB:9D:58:F7:D4:7E:9D:FD:78:7A:16:2A:99:1C:18: CF:69:8D:A7:C7:29:91:8C:9A:18:B0:45:0D:BA:44:BC Timestamp : Sep 19 17:50:52.139 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:72:05:8E:04:A8:8E:D9:6A:53:46:99:C1: DE:B6:C9:16:0B:A6:3B:3E:14:9A:56:FC:59:23:08:00: AC:FD:66:6A:02:20:2B:E7:3A:A3:BC:72:18:77:A7:79: 30:69:1C:CE:6C:4D:05:A7:FF:E3:EE:B8:FD:D4:D8:6F: 4D:AB:66:CA:99:80
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-09T16:00:29+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
864
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-----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-----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
475
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-----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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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