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

mail.netmaster.tg · 154.70.82.254:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `mail.netmaster.tg'

Certificate verification failed

Subject
CN=netmaster.tg
Issuer
C=LV O=GoGetSSL CN=GoGetSSL RSA DV SSL CA 2
Valid from
2025-10-31T00:00:00+00:00
Expires
2026-11-30T23:59:59+00:00
Days remaining
48
Serial (hex)
35E8FF2A42C5D36892CC04AB9BFE72E3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:netmaster.tg, DNS:www.netmaster.tg

SHA-256 fingerprint

B3:94:EA:B8:4B:AA:A0:8C:E5:3E:D4:EA:43:17:C6:5B:0C:14:CB:1C:3A:49:AF:E3:74:6C:55:3E:A4:DC:95:ED
Certificate extensions & PEM
authorityKeyIdentifier
A2:39:94:D8:27:B0:8E:0A:F8:E8:EA:1A:37:7D:EB:C2:E1:77:A9:8D
subjectKeyIdentifier
B2:28:B9:C8:82:63:F4:11:24:34:10:CE:A3:E7:09:35:6D:D4:60:13
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/GoGetSSLRSADVSSLCA2.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:netmaster.tg, DNS:www.netmaster.tg
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 31 08:54:19.068 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:55:13:47:E8:FA:3A:C6:37:2B:0B:8B:DD: 64:3B:47:7E:1A:0C:84:D7:D4:A6:DD:AA:5F:F7:0F:3A: 83:CC:CE:53:02:20:59:DD:6B:0C:C7:09:41:FB:1B:80: E3:7F:C9:59:2E:59:5B:B2:30:54:41:65:62:F5:51:70: C8:7B:E7:57:44:04 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Oct 31 08:54:19.176 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:71:B1:76:C5:E1:E4:6C:9A:83:2F:8E:D5: 42:41:39:F6:B9:C6:B9:A6:0F:15:28:DD:12:62:F7:31: 61:B2:75:45:02:21:00:87:1B:7E:13:34:24:D1:26:7F: 48:7B:61:B1:2F:5C:7E:AC:27:C9:77:75:A4:55:31:EF: B2:DF:78:EB:80:4F:63 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Oct 31 08:54:18.968 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E2:85:FB:90:24:00:EB:90:C7:76:5E: 4E:CD:5E:6E:5E:48:4C:41:4C:F8:75:37:BF:8A:23:7F: 5D:76:5D:1C:23:02:20:57:83:19:51:0B:76:3F:D7:4D: 35:17:4C:43:FD:77:D3:12:4D:23:0A:08:5A:1C:4F:DF: 72:C1:C3:FB:15:82:95
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-13T09:12:00+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=LV O=GoGetSSL CN=GoGetSSL RSA DV SSL CA 2
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2025-08-20T00:00:00+00:00
Expires
2035-08-19T23:59:59+00:00
Days remaining
3232
Serial (hex)
A9964473E1D001ECC217F844B12609D2
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B5:28:67:96:DA:DF:16:52:1D:E4:17:72:AB:2F:DB:58:18:72:99:71:B5:27:47:21:14:6C:6E:81:72:BE:FE:07
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
A2:39:94:D8:27:B0:8E:0A:F8:E8:EA:1A:37:7D:EB:C2:E1:77:A9:8D
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
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-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Issuer
C=GB ST=Greater Manchester L=Salford O=Comodo CA Limited CN=AAA Certificate Services
Valid from
2021-03-22T00:00:00+00:00
Expires
2028-12-31T23:59:59+00:00
Days remaining
810
Serial (hex)
E37CA2E9701E339C2F3FB0ED360FF90A
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CE:75:58:0B:C6:79:6D:3B:3E:A2:C3:E7:42:59:D0:D4:03:07:24:08:E9:60:C7:71:39:C2:FB:5A:3D:94:19:E4
Certificate extensions & PEM
authorityKeyIdentifier
A0:11:0A:23:3E:96:F1:07:EC:E2:AF:29:EF:82:A5:7F:D0:30:A4:B4
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.comodoca.com/AAACertificateServices.crl
authorityInfoAccess
OCSP - URI:http://ocsp.comodoca.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

Registration / WHOIS →DNS records →