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

t-mobile.at · 212.166.122.42:443

Verified

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

Subject
CN=magenta.at
Issuer
C=US O=Certera LLC CN=Certera RSA DV SSL CA 2
Valid from
2026-08-10T00:00:00+00:00
Expires
2027-02-24T23:59:59+00:00
Days remaining
109
Serial (hex)
969146EC19F6AF39333F2CA39E999052
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:magenta.at, DNS:*.himagenta.at, DNS:*.magenta.at, DNS:*.magentabusiness.at, DNS:*.t-mobile.at, DNS:*.telering.at, DNS:magentabusiness.at, DNS:t-mobile.at

SHA-256 fingerprint

66:B0:85:5A:ED:37:9D:C4:0A:5F:94:57:A8:23:15:E5:55:42:82:66:5C:8F:15:1A:97:69:12:85:CE:53:8A:33
Certificate extensions & PEM
authorityKeyIdentifier
3A:29:84:65:84:81:48:AB:D0:BB:62:C5:67:25:CC:AF:A0:00:1E:A1
subjectKeyIdentifier
13:F3:66:A7:DC:C4:0E:F1:57:23:9A:6A:EF:21:FD:9C:40:2F:68:A4
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/CerteraRSADVSSLCA2.crt OCSP - URI:http://ocsp.sectigo.com
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 : Aug 10 06:45:48.394 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EE:C0:9E:3D:68:86:D9:6A:E3:35:E4: 9D:80:40:31:88:DF:E3:33:41:73:4A:DF:FA:C8:AF:97: 24:D8:12:7C:CC:02:21:00:C0:FE:D9:C9:54:A9:71:2B: 66:2F:D4:A7:6D:D9:26:5A:07:7E:D1:3D:39:C9:6C:43: 11:22:CA:A5:38:3E:8F:4E 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 : Aug 10 06:45:48.784 2026 GMT Extensions: 00:00:05:00:08:46:06:EE Signature : ecdsa-with-SHA256 30:46:02:21:00:AF:CB:1C:4C:CF:3D:DF:BF:F0:B3:C6: A0:97:06:B5:18:BE:5B:B7:A9:B0:DC:EB:46:CE:E3:76: 48:B9:8F:81:72:02:21:00:AB:D9:5D:5B:5E:0E:84:93: 77:0C:54:24:DC:B4:43:5D:11:78:C8:AE:F4:41:2C:41: 59:5F:59:73:B4:85:1C:1B 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 : Aug 10 06:45:48.444 2026 GMT Extensions: 00:00:05:00:00:7A:64:0A Signature : ecdsa-with-SHA256 30:44:02:20:13:D0:C2:C2:C4:26:2B:98:10:C1:5F:B0: 02:D3:86:AB:82:59:DE:1D:44:98:D6:72:95:97:96:8A: 95:55:E7:CC:02:20:66:0E:6F:47:82:6B:79:A0:0B:A6: 56:A5:68:FE:3C:EF:A1:EE:77:FD:C6:0A:E6:92:2C:DC: 9E:65:C1:D9:A3:C4
subjectAltName
DNS:magenta.at, DNS:*.himagenta.at, DNS:*.magenta.at, DNS:*.magentabusiness.at, DNS:*.t-mobile.at, DNS:*.telering.at, DNS:magentabusiness.at, DNS:t-mobile.at
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-07T11:07:02+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Certera LLC CN=Certera 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
3207
Serial (hex)
C07CBB9AACC14AC41BAD17DF576F0BA0
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C3:8A:DC:49:22:24:9E:F1:D7:BB:86:81:1B:56:3F:26:7D:76:2A:9C:BA:CA:18:68:D7:46:E9:D1:61:75:84:F8
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
3A:29:84:65:84:81:48:AB:D0:BB:62:C5:67:25:CC:AF:A0:00:1E:A1
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-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

Registration / WHOIS →DNS records →