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

channelnet.org · 141.98.80.154:443

Unverified

Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject: C=CN ST=GuangDong L=ShenZhen O=mail.channelnet.org OU=IT CN=mail.channelnet.org emailAddress=root@mail.channelnet.org
Issuer: C=CN ST=GuangDong L=ShenZhen O=mail.channelnet.org OU=IT CN=mail.channelnet.org emailAddress=root@mail.channelnet.org
Valid from: 2020-05-14T14:15:24+00:00
Expires: 2030-05-12T14:15:24+00:00
Days remaining: 1305
Serial (hex): B8A0E1A1EC1A0F46
Signature: RSA-SHA256
Public key: RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

3E:FE:AC:ED:71:6B:D1:A7:08:6A:33:0F:BF:9E:71:E2:C4:A5:49:B7:54:83:91:63:C7:29:6C:6F:2D:77:99:68

Certificate extensions & PEM

subjectKeyIdentifier: 6D:80:58:B1:21:AB:BF:6A:71:69:04:BF:7A:01:F2:8D:23:76:35:0D
authorityKeyIdentifier: 6D:80:58:B1:21:AB:BF:6A:71:69:04:BF:7A:01:F2:8D:23:76:35:0D
basicConstraints: CA:TRUE

-----BEGIN CERTIFICATE-----
MIIGITCCBAmgAwIBAgIJALig4aHsGg9GMA0GCSqGSIb3DQEBCwUAMIGmMQswCQYD
VQQGEwJDTjESMBAGA1UECAwJR3VhbmdEb25nMREwDwYDVQQHDAhTaGVuWmhlbjEc
MBoGA1UECgwTbWFpbC5jaGFubmVsbmV0Lm9yZzELMAkGA1UECwwCSVQxHDAaBgNV
BAMME21haWwuY2hhbm5lbG5ldC5vcmcxJzAlBgkqhkiG9w0BCQEWGHJvb3RAbWFp
bC5jaGFubmVsbmV0Lm9yZzAeFw0yMDA1MTQxNDE1MjRaFw0zMDA1MTIxNDE1MjRa
MIGmMQswCQYDVQQGEwJDTjESMBAGA1UECAwJR3VhbmdEb25nMREwDwYDVQQHDAhT
aGVuWmhlbjEcMBoGA1UECgwTbWFpbC5jaGFubmVsbmV0Lm9yZzELMAkGA1UECwwC
SVQxHDAaBgNVBAMME21haWwuY2hhbm5lbG5ldC5vcmcxJzAlBgkqhkiG9w0BCQEW
GHJvb3RAbWFpbC5jaGFubmVsbmV0Lm9yZzCCAiIwDQYJKoZIhvcNAQEBBQADggIP
ADCCAgoCggIBANq6aR9+mx1rOGgZsDUBPfkWPk09T4T8+WvrZX8de7q52gJh2lHT
9Jwr/31Z3JyMvvs3oO0xHtaGA4OlkAKq41CiPFPkgGlp0PQhmpbJDb8TrYqJIOd+
xmLDot7rjoQp08dtSyEL3ftdicXwRtECqglMrxaJmrKthoV9qJ+UKPTH4kvOzdyx
eOoFSvxy9wed4u3QVVne2y6aONM5pfIcy0A+tIJfl80opWdwakkmS94DpZBc006Z
e/cTMplHst9gQcN5Y9ZZ8uUcpM0DggDbczJCpR+Q8AFi9hiWVxAtRPT9SH4lR2gc
4JsawYHeiK3ZZJtJ+crYbHPsfpHJaPPPrRNqkgfRZZjDj2CGQDNtGzZogm05Vfxn
RlvzLvpCJSqoUW0JvFXDTpusVfVlQeE72ekUyxgIsM0MRmM2m3m4D1kyxjhG7c4V
/BBtqD02rSYha+bZ0QdY2NwUT6oHvigf7tynvnMA5aarG8QWfMowJfJVpvinQ3uL
hMU5thPW2dGny2mkJUDhQeNVLd99SmcB1OLPydqS3xQ0UrTEUZQ9rzBrmcAaSb3n
TVNDAmx7tW6gbyoAmboCFTJd6wV4TimpKZUx/G/vMw9B355jXWFRTbxJ13c8Jr6m
0xbcO70fjVMhD0cj+AoCwYJVVlN8ikkTdLAGReAzqEsmrFt/LOChw0krAgMBAAGj
UDBOMB0GA1UdDgQWBBRtgFixIau/anFpBL96AfKNI3Y1DTAfBgNVHSMEGDAWgBRt
gFixIau/anFpBL96AfKNI3Y1DTAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBCwUA
A4ICAQB/8jffHvgdQg7yqL5STuEvrJa/yxrXWnHXKhYiV69P8U5iAHd/66QNOOzh
zzNqhofKNF+0DgyCxMOc02KJ/SCQQ4wK0poz3d072c2p5B6D9Epon1v0dw4/ppe5
p+9ikrAS40XkpnPsfOmBPLwI5ZOdxpBmm7obST68D0LrnzzN/jt3zE2TO364pwVo
k2bxDyylgGy/FzP54k0ZRiIJibz0UB+rI+KDtzF/2h4YOiN2ShaPjnVXqEyBfl31
UaIimXPFyLtRNfVkVkfAn8RZj7rQ2xazwzgJ0KsZznQCZyJblT42W1MOC1Pg221A
EvH7mhRGbxYZvLTIPQ6RYC/fGLRJ2M43MjHYVhmcmuaRg+aFEPMStHMg7RdyFbXr
bM7eR2iY/lRG+P37V703OXyUzP/76Lt3m4fh5xehU8Ypo7YeKoKysG8AL+FI4GTN
m74N41VUOnwPFtgXmR5ejfb0ZA5LAnimhB/bqSp8J8718pmrB51X0MxBwuLhhcTy
06i6EVRPwstR5KRyZQGYTSoS8r6Ck4gp84IWVzcvz9Z5WZwJBZ+pjfNX+f4I8iQT
ll/qBDE4IEWZlXB43iV6dG3EMwWfP3jMv7BRA6n+nbC8NzZwUiF5Cqv1Gq8XzzB5
m9dlDnFVuMxxlgnzj+L2fy8P4IviYys8xQBsk3HVTo9AS8uaSg==
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-15T07:34:37+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

Registration / WHOIS →DNS records →