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

ns2.intermediasp.com · 142.44.218.216:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`cpdns4.intermedia.net.ar' did not match expected CN=`ns2.intermediasp.com'

Certificate verification failed

Subject
CN=cpdns4.intermedia.net.ar
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-04T09:31:01+00:00
Expires
2026-11-02T09:31:00+00:00
Days remaining
34
Serial (hex)
06809D2A2BCEC8735A7AF5A3B6D194AE2031
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:cpcontacts.cpdns4.intermedia.net.ar, DNS:cpdns4.intermedia.net.ar, DNS:webmail.cpdns4.intermedia.net.ar

SHA-256 fingerprint

32:57:F3:B8:0A:2A:B0:D5:5A:0B:73:F2:46:64:66:4C:F8:43:74:A9:22:34:A7:47:89:F2:E7:D1:86:6F:C8:A2
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
B0:B4:27:98:0E:98:BA:19:2C:7E:6E:24:C4:B5:B3:FF:50:FB:3A:66
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:cpcontacts.cpdns4.intermedia.net.ar, DNS:cpdns4.intermedia.net.ar, DNS:webmail.cpdns4.intermedia.net.ar
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/50.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Aug 4 10:29:31.492 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9A:8C:07:5A:C1:2F:CA:24:C8:AA:5A: 84:06:92:B1:18:DD:E1:DC:DD:6D:AC:F8:44:0F:DB:25: D2:A8:73:25:B1:02:20:0C:56:95:58:9A:47:18:19:A7: 31:3F:E4:EA:06:32:7F:0B:A2:42:C7:01:6F:15:5A:D3: 68:D7:DB:C5:6C:8B:94 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Aug 4 10:29:31.992 2026 GMT Extensions: 00:00:05:00:19:B1:39:B3 Signature : ecdsa-with-SHA256 30:44:02:20:00:A8:E8:FE:AB:D3:CC:B9:3F:23:D4:07: 37:3B:C5:9D:52:6B:0E:C7:3B:A0:FD:F7:E0:61:B3:A3: 78:D1:0B:D5:02:20:6D:D2:C2:18:B6:69:A9:F7:BC:F9: A5:E3:4F:58:64:AD:BB:F2:2C:D4:7B:94:CF:B5:A5:4A: 6E:9F:4C:BC:05:32
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-28T15:26:13+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
705
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
2166
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 →