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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

ctx.hu · 91.227.138.21:443

Verified

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

Subject
CN=ctxservices.hu
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-11-06T01:09:40+00:00
Expires
2027-02-04T01:09:39+00:00
Days remaining
87
Serial (hex)
0682CB81DDF410230F53324E0B52863105E9
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:ctx.hu, DNS:ctxservices.hu, DNS:www.ctxservices.hu

SHA-256 fingerprint

0C:EC:88:DE:6C:4F:BE:DA:0B:A8:E2:70:71:24:B1:95:CF:2F:4A:63:71:F1:6C:AB:18:EE:F0:64:C9:A1:8F:03
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
F4:8B:43:8A:B5:EC:9A:E0:BD:F2:01:A1:A9:D5:F1:56:D6:EF:6C:2B
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:ctx.hu, DNS:ctxservices.hu, DNS:www.ctxservices.hu
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/106.crl
ct_precert_scts
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 : Nov 6 02:08:10.656 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F4:4B:8F:75:75:25:6D:54:0F:B7:D6: 56:B2:CF:EF:DD:19:00:B2:D5:37:95:BF:FB:EC:88:A7: E9:3F:28:DC:D7:02:21:00:D0:5F:D8:64:0A:EA:EE:0B: BF:01:20:F6:1D:94:F8:B8:6C:10:33:66:86:37:07:AE: 05:67:2A:FA:A6:EA:89:8E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:8D:D7:91:D1:CD:05:49:ED:B6:03:55:D6: 06:B6:4F:AD:30:DB:71:FE:78:8F:0F:C7:C8:FB:C4:B1 Timestamp : Nov 6 02:08:11.740 2026 GMT Extensions: 00:00:05:00:13:A7:F2:31 Signature : ecdsa-with-SHA256 30:45:02:20:4B:C8:2B:DB:E3:33:78:4B:9D:A2:2C:D0: EB:01:99:A2:71:F4:EB:DE:AA:9B:81:FF:47:B5:26:DC: FB:87:CB:54:02:21:00:85:52:E0:5B:16:C2:71:E4:66: 6D:F9:81:D1:E7:F4:CD:FC:16:68:FE:12:FF:46:EF:7F: DF:D0:3D:C3:CF:05:67
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-08T03:38:19+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
664
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2125
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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