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

karsolink.com · 89.46.106.60:443

Verified

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

Subject
CN=*.karsolink.com
Issuer
C=IT ST=Bergamo L=Ponte San Pietro O=Actalis S.p.A. CN=Actalis Domain Validation Server CA G3
Valid from
2025-12-11T04:42:05+00:00
Expires
2027-01-11T04:42:04+00:00
Days remaining
79
Serial (hex)
627D85A6142BC834A0AE43A6035E1EF3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.karsolink.com, DNS:karsolink.com

SHA-256 fingerprint

77:83:B9:93:51:BC:82:3B:20:12:C1:96:B2:42:D6:03:64:F2:59:E4:9B:E5:18:30:70:B6:3A:50:52:98:24:2F
Certificate extensions & PEM
basicConstraints
CA:FALSE
authorityKeyIdentifier
42:83:6D:80:7C:09:84:67:FD:80:57:AB:F1:26:F5:77:C8:22:82:71
authorityInfoAccess
CA Issuers - URI:http://cacert.actalis.it/certs/actalis-autdvg3 OCSP - URI:http://ocsp06.actalis.it/VA/AUTHDV-G3
subjectAltName
DNS:*.karsolink.com, DNS:karsolink.com
certificatePolicies
Policy: 1.3.159.1.23.1 CPS: https://www.actalis.it/area-download Policy: 2.23.140.1.2.1
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl06.actalis.it/Repository/AUTHDV-G3/getLastCRL
subjectKeyIdentifier
DA:31:F6:1D:2E:98:A2:5C:A5:56:72:89:F3:FA:16:46:32:65:C8:BE
keyUsage
Digital Signature, Key Encipherment
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 : Dec 11 04:52:05.847 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:4C:D8:B4:6F:CA:14:8C:C2:EB:65:60:64: D0:40:E6:4E:48:EE:43:0D:57:A9:CC:18:9C:C6:86:E7: A3:56:08:C9:02:20:75:28:4F:9A:DE:03:C8:80:78:6E: 77:AA:FA:2B:31:D8:C7:AB:E9:CE:A8:53:5D:4E:5F:F1: 68:79:2C:E8:6B:BC 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 : Dec 11 04:52:05.849 2025 GMT Extensions: 00:00:05:00:00:01:2C:3A Signature : ecdsa-with-SHA256 30:45:02:20:15:32:60:EE:DB:69:0B:42:EF:FD:58:DF: 38:3B:BF:6D:21:F6:99:43:EF:72:23:D4:09:9A:76:03: 0C:8C:A9:B0:02:21:00:FE:0F:CA:CA:7C:C2:F4:FC:FC: 6B:FA:69:FA:B7:DF:0F:9F:D1:F2:16:2B:BF:1A:5E:9A: 81:87:3F:CE:5A:1D:AC 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 : Dec 11 04:52:05.902 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:31:3A:71:1D:3F:69:EB:8F:CD:00:80:97: 3A:E4:1A:31:2B:25:F3:1B:0E:73:ED:4C:44:1A:96:B7: F3:78:BF:E3:02:20:70:07:BE:26:3B:CB:28:C8:B2:0B: 66:4D:4D:8D:74:E2:8B:33:CF:5C:A0:92:E0:E2:FB:28: DE:EB:56:8B:C6:FC
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-23T08:52:33+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=IT ST=Bergamo L=Ponte San Pietro O=Actalis S.p.A. CN=Actalis Domain Validation Server CA G3
Issuer
C=IT L=Milan O=Actalis S.p.A./03358520967 CN=Actalis Authentication Root CA
Valid from
2020-07-06T06:36:50+00:00
Expires
2030-09-22T11:22:02+00:00
Days remaining
1430
Serial (hex)
12737797A315886DFEB76C7E6A5A0354
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

34:50:B6:D3:82:90:C3:CA:5D:7B:B3:8B:71:49:5B:BF:72:C6:D0:C4:4D:BA:29:22:45:F9:BC:A9:84:3A:9F:FF
Certificate extensions & PEM
basicConstraints
CA:TRUE
authorityKeyIdentifier
52:D8:88:3A:C8:9F:78:66:ED:89:F3:7B:38:70:94:C9:02:02:36:D0
authorityInfoAccess
OCSP - URI:http://ocsp05.actalis.it/VA/AUTH-ROOT
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.actalis.it/area-download
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:ldap://ldap05.actalis.it/cn%3dActalis%20Authentication%20Root%20CA,o%3dActalis%20S.p.A.%2f03358520967,c%3dIT?certificateRevocationList;binary Full Name: URI:http://crl05.actalis.it/Repository/AUTH-ROOT/getLastCRL
subjectKeyIdentifier
42:83:6D:80:7C:09:84:67:FD:80:57:AB:F1:26:F5:77:C8:22:82:71
keyUsage
Certificate Sign, CRL Sign
-----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 →