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

cust-mail.gamerhost-server.pro · 5.39.202.8:443

Verified

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

Subject
CN=cust-mail.gamerhost-server.pro
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-20T14:19:11+00:00
Expires
2027-01-18T14:19:10+00:00
Days remaining
75
Serial (hex)
06E9BF20BC6A6D63C02542224E96F34A822E
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:autoconfig.curling.cz, DNS:autoconfig.gamerhost.pro, DNS:autoconfig.gamershield.net, DNS:autoconfig.kyvala.cz, DNS:autoconfig.speedy11.cz, DNS:autoconfig.zpivnice.sk, DNS:autodiscover.curling.cz, DNS:autodiscover.gamerhost.pro, DNS:autodiscover.gamershield.net, DNS:autodiscover.kyvala.cz, DNS:autodiscover.mail.mcrybar.cz, DNS:autodiscover.speedy11.cz, DNS:autodiscover.zpivnice.sk, DNS:cust-mail.gamerhost-server.pro

SHA-256 fingerprint

43:E0:C4:66:62:E6:73:F4:AA:69:9C:35:30:01:CC:3B:F3:41:B7:FD:B2:53:1B:4E:DD:C6:A2:2B:2E:42:FC:44
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
2A:9D:21:B7:56:33:B7:21:1E:3F:A4:99:D0:F4:0D:75:7B:A2:DD:CA
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:autoconfig.curling.cz, DNS:autoconfig.gamerhost.pro, DNS:autoconfig.gamershield.net, DNS:autoconfig.kyvala.cz, DNS:autoconfig.speedy11.cz, DNS:autoconfig.zpivnice.sk, DNS:autodiscover.curling.cz, DNS:autodiscover.gamerhost.pro, DNS:autodiscover.gamershield.net, DNS:autodiscover.kyvala.cz, DNS:autodiscover.mail.mcrybar.cz, DNS:autodiscover.speedy11.cz, DNS:autodiscover.zpivnice.sk, DNS:cust-mail.gamerhost-server.pro
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/47.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Oct 20 15:17:42.107 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2B:53:B7:D7:E6:73:34:59:BA:D3:59:3F: 40:97:0E:58:04:AB:1B:E5:A7:EF:52:5D:AC:CF:43:37: 2A:AF:77:14:02:21:00:B0:10:6E:70:8E:A3:51:FC:C7: 32:89:79:DB:2A:AB:B7:D9:99:D0:4B:37:9C:18:2B:96: 6B:CC:6D:2D:E4:15:C1 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 : Oct 20 15:17:43.741 2026 GMT Extensions: 00:00:05:00:0B:39:8A:CF Signature : ecdsa-with-SHA256 30:45:02:21:00:A1:54:2C:3A:62:00:A4:0F:E0:51:29: 34:7B:C7:88:18:FA:65:A1:F9:D8:98:36:D9:A2:1D:27: 2A:22:42:CD:C6:02:20:77:CB:0A:94:EC:75:3A:A0:A7: 55:78:76:1B:CC:C8:29:80:2F:F7:4D:EC:76:CD:E9:FA: EF:3E:0C:6A:3F:81:E0
-----BEGIN CERTIFICATE-----
MIIHbDCCBlSgAwIBAgISBum/ILxqbWPAJUIiTpbzSoIuMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjEwHhcNMjYxMDIwMTQxOTExWhcNMjcwMTE4MTQxOTEwWjApMScwJQYDVQQD
Ex5jdXN0LW1haWwuZ2FtZXJob3N0LXNlcnZlci5wcm8wggIiMA0GCSqGSIb3DQEB
AQUAA4ICDwAwggIKAoICAQC59aPdNI8uqf+uaG4BrJaLfu+2gRfaIMLZYDnCHxGp
75iaiu9kEzIObBiynmKGGnhKJAbKw4DJX8EqBdt/U1j1luK7+DRG5w5fbRYMrdN/
ccaUVF279Y5dw5IHDAV32L0ybRRzd+H8PZVT1vbjCvYbGCjhJMGqxaJjyXEzT+vt
E1HkRCOnJQKztdWuhuhjDtOFZYR7cJKtweDZ7VyPdu/c1GzSgbwiv31VcUwPQkfG
13TAx9bdEKvDCWnREfXkXjV5gh/00H58x/YvWLBnNPQ0AknvSUBFhUdRyD6PVRXl
GDYcytH5iVei3BF2AbcXYw26kKsBBqaBfZjrOE4dfiX1KlAw2JkVQE279dbXb2c3
bW5u7/nHCZqaffcABcucTuYq17/15MBT1Hdf3gzyum8ygo4dXLgRoFcrcgqBnpBc
+vCXGgGr/pqc2xxHM9qhyAR9TWSUoY5Y1fM2pcl31QsVOSi+zkqoOjdT6RH6yafr
Y5BKja3cict5DF0tg+vr+WvbXlPv+XjqExq4XUiiZWuEIOsFDtSBhhfv8o0loA0p
Fio4IQCmHFuoZxCI98fiv70giKSKkGD2Mg8a0asZL8UnYj83cAaldMI7g7zS1kD9
NVt+ycn/8zZH7bul3Si4lzn4azjaRe8+z12pPqeMwzLqKNmYQG8EvM7gSYqnQ/wR
HwIDAQABo4IDgjCCA34wDgYDVR0PAQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUF
BwMBMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCqdIbdWM7chHj+kmdD0DXV7ot3K
MB8GA1UdIwQYMBaAFB8vNb5GFILNQLGueSxVePr31Gj7MDMGCCsGAQUFBwEBBCcw
JTAjBggrBgEFBQcwAoYXaHR0cDovL3lyMS5pLmxlbmNyLm9yZy8wggF9BgNVHREE
ggF0MIIBcIIVYXV0b2NvbmZpZy5jdXJsaW5nLmN6ghhhdXRvY29uZmlnLmdhbWVy
aG9zdC5wcm+CGmF1dG9jb25maWcuZ2FtZXJzaGllbGQubmV0ghRhdXRvY29uZmln
Lmt5dmFsYS5jeoIWYXV0b2NvbmZpZy5zcGVlZHkxMS5jeoIWYXV0b2NvbmZpZy56
cGl2bmljZS5za4IXYXV0b2Rpc2NvdmVyLmN1cmxpbmcuY3qCGmF1dG9kaXNjb3Zl
ci5nYW1lcmhvc3QucHJvghxhdXRvZGlzY292ZXIuZ2FtZXJzaGllbGQubmV0ghZh
dXRvZGlzY292ZXIua3l2YWxhLmN6ghxhdXRvZGlzY292ZXIubWFpbC5tY3J5YmFy
LmN6ghhhdXRvZGlzY292ZXIuc3BlZWR5MTEuY3qCGGF1dG9kaXNjb3Zlci56cGl2
bmljZS5za4IeY3VzdC1tYWlsLmdhbWVyaG9zdC1zZXJ2ZXIucHJvMBMGA1UdIAQM
MAowCAYGZ4EMAQIBMC4GA1UdHwQnMCUwI6AhoB+GHWh0dHA6Ly95cjEuYy5sZW5j
ci5vcmcvNDcuY3JsMIIBDAYKKwYBBAHWeQIEAgSB/QSB+gD4AHYAABpdGhwtk3W2
SFV4+C9xoa5u7zl9KXyK4xV7yt7hoB4AAAGhWePGWwAABAMARzBFAiArU7fX5nM0
WbrTWT9Alw5YBKsb5afvUl2sz0M3Kq93FAIhALAQbnCOo1H8xzKJedsqq7fZmdBL
N5wYK5ZrzG0t5BXBAH4AGouda43XkdHNBUnttgNV1ga2T60w23H+eI8Px8j7xLEA
AAGhWePMvQAIAAAFAAs5is8EAwBHMEUCIQChVCw6YgCkD+BRKTR7x4gY+mWh+diY
NtmiHScqIkLNxgIgd8sKlOx1OqCnVXh2G8zIKYAv903sds3p+u8+DGo/geAwDQYJ
KoZIhvcNAQELBQADggEBAAtptAi2Hj6X5XrvzdHR0HCki5uiTTg9LzLLq6XLs+vE
QISRU9KYm8WQI89UBKnfPcK26sHApZdCbkvWsnp132oYwQU7WGzvVeP8kF7psPVO
HezMmxdHZMAwPgAkEm4WzFIIpEv6O0EgHl1NHIELqnyAfAy9OD+BywA8AeN859bL
Z3G0qBwLW8wTfWavcTsLNy9JHn3dTDHEcuJ3vOaM+orxhkmTPEH2pqqaNrw3nqbq
+Ve6NwklKKGZXMCAIj/kGfE0ImLOJJl9EF7Jk6WeuQcMhck/S9DNlyYhf388Cx4Z
31LdiG0wkPMbcxMNxfIsi+SvO9p/7uD+WbYnBVfOCOY=
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-03T21:46:05+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
669
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
2130
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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