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

skyware.pl · 91.189.218.52:443

Verified

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

Subject
CN=*.skyware.pl
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-02-23T00:00:00+00:00
Expires
2027-03-26T23:59:59+00:00
Days remaining
169
Serial (hex)
09482F46123F73244D7F07EF0821D91D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.skyware.pl, DNS:skyware.pl

SHA-256 fingerprint

21:C7:A0:73:AB:11:3C:D1:DE:F3:45:F6:82:C6:11:9E:D2:AD:2D:20:FA:C0:6F:F9:37:7C:CD:1C:B4:EC:DF:57
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
C1:E2:D4:6D:AE:02:C1:47:DB:DD:76:43:8E:D4:4A:86:9B:F4:9D:85
subjectAltName
DNS:*.skyware.pl, DNS:skyware.pl
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Feb 23 08:53:51.223 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C6:11:1C:34:8E:AB:4A:C7:01:5D:50: 2D:86:73:B5:9D:AF:09:DB:31:42:4F:43:B4:45:BA:4A: 3D:95:4A:78:44:02:20:13:AF:53:A2:45:7E:6A:0F:11: F0:9A:28:0B:A7:45:35:FF:0D:CD:5B:2C:9B:72:6B:3D: 50:5D:4D:8C:94:60:79 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Feb 23 08:53:51.205 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:45:E0:7D:00:B0:5E:9D:11:DC:EB:54:59: 41:0E:82:53:37:78:ED:9B:A9:18:63:7D:02:ED:27:69: 7B:6A:47:CC:02:21:00:B7:E9:D9:AF:B1:A2:08:6D:4A: 79:E1:11:A9:D5:3A:5A:27:8E:8F:48:C9:0D:9D:06:03: 58:3A:0D:DE:6C:92:F8 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 : Feb 23 08:53:51.449 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6D:26:F5:0D:C0:AE:75:42:7F:34:F9:0F: 68:AF:02:B2:87:03:13:50:0D:48:A9:C9:4C:00:26:3E: 78:73:11:52:02:21:00:BD:70:6C:99:01:86:FF:BB:2D: 11:49:D6:DA:93:D3:1C:BE:E1:EE:38:86:32:57:1D:8B: 12:36:0D:08:5C:52:0A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-08T21:21:59+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
389
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----BEGIN CERTIFICATE-----
MIIEszCCA5ugAwIBAgIQCyWUIs7ZgSoVoE6ZUooO+jANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0xNzExMDIxMjI0MzNaFw0yNzExMDIxMjI0MzNaMGAxCzAJBgNVBAYTAlVT
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j
b20xHzAdBgNVBAMTFlJhcGlkU1NMIFRMUyBSU0EgQ0EgRzEwggEiMA0GCSqGSIb3
DQEBAQUAA4IBDwAwggEKAoIBAQC/uVklRBI1FuJdUEkFCuDL/I3aJQiaZ6aibRHj
ap/ap9zy1aYNrphe7YcaNwMoPsZvXDR+hNJOo9gbgOYVTPq8gXc84I75YKOHiVA4
NrJJQZ6p2sJQyqx60HkEIjzIN+1LQLfXTlpuznToOa1hyTD0yyitFyOYwURM+/CI
8FNFMpBhw22hpeAQkOOLmsqT5QZJYeik7qlvn8gfD+XdDnk3kkuuu0eG+vuyrSGr
5uX5LRhFWlv1zFQDch/EKmd163m6z/ycx/qLa9zyvILc7cQpb+k7TLra9WE17YPS
n9ANjG+ECo9PDW3N9lwhKQCNvw1gGoguyCQu7HE7BnW8eSSFAgMBAAGjggFmMIIB
YjAdBgNVHQ4EFgQUDNtsgkkPSmcKuBTuesRIUojrVjgwHwYDVR0jBBgwFoAUTiJU
IBiV5uNu5g/6+rkS7QYXjzkwDgYDVR0PAQH/BAQDAgGGMB0GA1UdJQQWMBQGCCsG
AQUFBwMBBggrBgEFBQcDAjASBgNVHRMBAf8ECDAGAQH/AgEAMDQGCCsGAQUFBwEB
BCgwJjAkBggrBgEFBQcwAYYYaHR0cDovL29jc3AuZGlnaWNlcnQuY29tMEIGA1Ud
HwQ7MDkwN6A1oDOGMWh0dHA6Ly9jcmwzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEds
b2JhbFJvb3RHMi5jcmwwYwYDVR0gBFwwWjA3BglghkgBhv1sAQEwKjAoBggrBgEF
BQcCARYcaHR0cHM6Ly93d3cuZGlnaWNlcnQuY29tL0NQUzALBglghkgBhv1sAQIw
CAYGZ4EMAQIBMAgGBmeBDAECAjANBgkqhkiG9w0BAQsFAAOCAQEAGUSlOb4K3Wtm
SlbmE50UYBHXM0SKXPqHMzk6XQUpCheF/4qU8aOhajsyRQFDV1ih/uPIg7YHRtFi
CTq4G+zb43X1T77nJgSOI9pq/TqCwtukZ7u9VLL3JAq3Wdy2moKLvvC8tVmRzkAe
0xQCkRKIjbBG80MSyDX/R4uYgj6ZiNT/Zg6GI6RofgqgpDdssLc0XIRQEotxIZcK
zP3pGJ9FCbMHmMLLyuBd+uCWvVcF2ogYAawufChS/PT61D9rqzPRS5I2uqa3tmIT
44JhJgWhBnFMb7AGQkvNq9KNS9dd3GWc17H/dXa1enoxzWjE0hBdFjxPhUb0W3wi
8o34/m8Fxw==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4116
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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 →