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

TLSv1.2

mwr.hu · 34.105.154.30:443

Verified

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

Subject
CN=mwr.hu
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-17T21:01:46+00:00
Expires
2026-12-16T21:01:45+00:00
Days remaining
59
Serial (hex)
06D30295C40F60885702C2E893D8D993E9FA
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:mwr.hu, DNS:www.mwr.hu

SHA-256 fingerprint

DD:E0:8C:09:99:0E:C9:C5:65:69:7B:C0:DF:BA:DA:63:0D:96:E6:88:41:1C:C6:F4:31:51:96:E6:F1:F3:F9:F7
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
50:FD:91:36:88:2E:48:0D:66:95:8F:AA:9D:24:47:02:A2:F9:4A:44
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:mwr.hu, DNS:www.mwr.hu
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/123.crl
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 : Sep 17 22:00:16.555 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C2:E8:2B:94:9F:52:72:6A:51:0C:F9: 7F:78:73:20:C9:02:E1:57:16:9D:96:F2:1A:55:40:B6: 41:13:B0:5F:13:02:21:00:86:D7:71:DB:B1:11:A9:2A: 6D:35:EF:07:09:47:4C:36:E9:18:EE:DA:35:DB:58:A3: 2D:26:88:5D:6B:45:89:C4 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 17 22:00:16.735 2026 GMT Extensions: 00:00:05:00:30:FC:D8:61 Signature : ecdsa-with-SHA256 30:46:02:21:00:E2:75:35:6C:EC:E1:19:FD:2F:49:8B: 4D:3A:F4:60:9B:DB:AE:C6:AD:89:D1:D2:50:AB:BC:CF: 70:73:10:2D:E4:02:21:00:AD:6C:6A:7E:5E:CE:B1:9D: 82:CF:25:B5:B2:32:CE:BC:6B:D5:74:2D:32:F4:3B:EF: AE:B8:B9:97:AD:D0:BA:92
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-17T22:35:43+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
686
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
2147
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

Registration / WHOIS →DNS records →