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

rcicommunications.com · 208.91.197.27:443

Verified

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

Subject
CN=rcicommunications.com
Issuer
C=AT O=ZeroSSL GmbH CN=ZeroSSL ECC DV SSL CA 2
Valid from
2026-09-09T00:00:00+00:00
Expires
2026-12-08T23:59:59+00:00
Days remaining
48
Serial (hex)
EDE8BBA7615E2BC66AE3D8B120B35056
Signature
ecdsa-with-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

DNS:rcicommunications.com

SHA-256 fingerprint

33:B2:88:D8:B1:9B:C3:ED:C2:6E:0B:0D:5D:95:17:64:2B:09:1D:59:F5:17:31:BF:CA:50:46:27:14:AA:5B:67
Certificate extensions & PEM
authorityKeyIdentifier
94:45:9F:DA:51:47:71:D5:73:AE:AC:1D:AB:08:72:12:6D:AD:7C:62
subjectKeyIdentifier
3E:82:12:FC:0C:E4:08:7C:44:C8:AA:29:49:7A:CF:B9:5D:E2:D2:C7
keyUsage
Digital Signature
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/ZeroSSLECCDVSSLCA2.crt OCSP - URI:http://ocsp.sectigo.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Sep 9 20:15:11.607 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1F:C6:0F:7E:50:C5:4D:8C:81:99:D7:21: C9:D6:02:2F:2D:1D:8C:24:3B:24:A9:C2:1D:A8:85:7D: 5A:9A:92:9D:02:21:00:CC:2F:34:85:EF:93:6B:32:0A: 73:41:84:C4:94:05:2D:49:41:6B:BD:60:CB:CE:83:8B: E9:3B:D2:46:86:F8:98 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 9 20:15:11.952 2026 GMT Extensions: 00:00:05:00:29:91:51:12 Signature : ecdsa-with-SHA256 30:45:02:21:00:D5:A0:34:84:23:64:13:4D:2B:AC:B3: B3:B4:34:7F:C1:77:98:B8:BB:60:BB:8E:2D:83:C1:72: B3:39:DD:3E:7B:02:20:22:53:4D:04:AD:D3:78:04:F2: CC:17:DA:31:8F:BC:07:D7:78:2B:10:6D:34:54:51:C4: 51:E0:47:0F:2F:A1:78
subjectAltName
DNS:rcicommunications.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-21T22:33:34+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=AT O=ZeroSSL GmbH CN=ZeroSSL ECC DV SSL CA 2
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root E46
Valid from
2025-09-24T00:00:00+00:00
Expires
2035-09-23T23:59:59+00:00
Days remaining
3259
Serial (hex)
C4E1C5BB00F0278F347BE4F85D63FCCA
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

BE:C8:4F:CE:0D:AA:42:3F:3B:3E:ED:38:EA:48:06:6C:C5:61:8F:52:44:AD:65:CD:9F:86:24:A8:13:FA:4C:3D
Certificate extensions & PEM
authorityKeyIdentifier
D1:22:DA:4C:59:F1:4B:5F:26:38:AA:9D:D6:EE:EB:0D:C3:FB:A9:61
subjectKeyIdentifier
94:45:9F:DA:51:47:71:D5:73:AE:AC:1D:AB:08:72:12:6D:AD:7C:62
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootE46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootE46.p7c OCSP - URI:http://ocsp.sectigo.com
-----BEGIN CERTIFICATE-----
MIIDNTCCArugAwIBAgIRAMThxbsA8CePNHvk+F1j/MowCgYIKoZIzj0EAwMwXzEL
MAkGA1UEBhMCR0IxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE2MDQGA1UEAxMt
U2VjdGlnbyBQdWJsaWMgU2VydmVyIEF1dGhlbnRpY2F0aW9uIFJvb3QgRTQ2MB4X
DTI1MDkyNDAwMDAwMFoXDTM1MDkyMzIzNTk1OVowRjELMAkGA1UEBhMCQVQxFTAT
BgNVBAoTDFplcm9TU0wgR21iSDEgMB4GA1UEAxMXWmVyb1NTTCBFQ0MgRFYgU1NM
IENBIDIwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAATjn4qR1IOXAceCMsej8Qyr
4PrFw+PwjPm2vrAfijBj4u2C++Y3pZqpeLi1z05b2owKKJzQk1AtL+m1fEoFeDka
o4IBbzCCAWswHwYDVR0jBBgwFoAU0SLaTFnxS18mOKqd1u7rDcP7qWEwHQYDVR0O
BBYEFJRFn9pRR3HVc66sHasIchJtrXxiMA4GA1UdDwEB/wQEAwIBhjASBgNVHRMB
Af8ECDAGAQH/AgEAMBMGA1UdJQQMMAoGCCsGAQUFBwMBMBMGA1UdIAQMMAowCAYG
Z4EMAQIBMFQGA1UdHwRNMEswSaBHoEWGQ2h0dHA6Ly9jcmwuc2VjdGlnby5jb20v
U2VjdGlnb1B1YmxpY1NlcnZlckF1dGhlbnRpY2F0aW9uUm9vdEU0Ni5jcmwwgYQG
CCsGAQUFBwEBBHgwdjBPBggrBgEFBQcwAoZDaHR0cDovL2NydC5zZWN0aWdvLmNv
bS9TZWN0aWdvUHVibGljU2VydmVyQXV0aGVudGljYXRpb25Sb290RTQ2LnA3YzAj
BggrBgEFBQcwAYYXaHR0cDovL29jc3Auc2VjdGlnby5jb20wCgYIKoZIzj0EAwMD
aAAwZQIwXKxxvuUkvPftBuaOFx73U3FxmFtKxP1Fd/+8Jq/ut2XgDrJ1vEUDdJb3
iSDXVe9AAjEA8iUwhrRHdZrIWqfgGmDMBbuXRZ4GoQbLpwxgcPhKo3OZR7SecTp4
juWAOpuawM2n
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root E46
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust ECC Certification Authority
Valid from
2021-03-22T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4107
Serial (hex)
1A9EAFEC6DE8E19B5C193141B68D90DD
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

EA:6B:89:ED:69:07:A2:09:FF:91:88:67:6F:B1:64:E7:AC:ED:89:4B:89:96:DF:BE:5C:E5:BB:CC:22:DE:4D:DD
Certificate extensions & PEM
authorityKeyIdentifier
3A:E1:09:86:D4:CF:19:C2:96:76:74:49:76:DC:E0:35:C6:63:63:9A
subjectKeyIdentifier
D1:22:DA:4C:59:F1:4B:5F:26:38:AA:9D:D6:EE:EB:0D:C3:FB:A9:61
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustECCCertificationAuthority.crl
authorityInfoAccess
OCSP - URI:http://ocsp.usertrust.com
-----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 →