Unable to connect, secure and authenticate any connection
Does the remote host support TLS/SSL connections on port 443?
Summary
Host:
alt1.aspmx.l.google.com, 2a00:1450:400b:c00::1b, port 443
Protocols:
Failed
Unable to connect, secure and authenticate any connection
Protocol support
Protocol support:
TLS 1.3
No support
TLS 1.2
No support
TLS 1.1
No support
TLS 1.0
No support
SSL 3.0
No support
SSL 2.0
No support
Verification:
Unable to connect, secure and authenticate any connection
Does the remote host support TLS/SSL connections on port 443?
API
You may perform this lookup using the API and get the results as easy-to-parse JSON data.
Read more on the API at https://iamroot.tech/about/api (regarding authentication and rate limits, among other things), or give it a go right away using the 'try it' button.
INFMultiple A-records! Domain 'alt1.aspmx.l.google.com' has several A-records, and thereby multiple IPs to check. IP 2a00:1450:400b:c00::1b will be used.
041
+000
Check protocols
041
+000
Start SSL 2.0 protocol check, alt1.aspmx.l.google.com (2a00:1450:400b:c00::1b), port 443
041
+000
Start TLS 1.3 protocol check, alt1.aspmx.l.google.com (2a00:1450:400b:c00::1b), port 443
042
+000
Start TLS 1.2 protocol check, alt1.aspmx.l.google.com (2a00:1450:400b:c00::1b), port 443
042
+000
Start SSL 3.0 protocol check, alt1.aspmx.l.google.com (2a00:1450:400b:c00::1b), port 443
042
+000
Start TLS 1.0 protocol check, alt1.aspmx.l.google.com (2a00:1450:400b:c00::1b), port 443
042
+000
Start TLS 1.1 protocol check, alt1.aspmx.l.google.com (2a00:1450:400b:c00::1b), port 443
5.029
+4.988
Protocol check of TLS 1.3 done in 4.987ms - failed Unable to connect to host 'alt1.aspmx.l.google.com' (2a00:1450:400b:c00::1b) on port 443.
5.029
+4.988
Protocol check of SSL 2.0 done in 4.987ms - failed Unable to connect to host 'alt1.aspmx.l.google.com' (2a00:1450:400b:c00::1b) on port 443.
5.029
+4.987
Protocol check of SSL 3.0 done in 4.987ms - failed Unable to connect to host 'alt1.aspmx.l.google.com' (2a00:1450:400b:c00::1b) on port 443.
5.029
+4.988
Protocol check of TLS 1.2 done in 4.987ms - failed Unable to connect to host 'alt1.aspmx.l.google.com' (2a00:1450:400b:c00::1b) on port 443.
5.029
+4.987
Protocol check of TLS 1.0 done in 4.987ms - failed Unable to connect to host 'alt1.aspmx.l.google.com' (2a00:1450:400b:c00::1b) on port 443.
5.029
+4.987
Protocol check of TLS 1.1 done in 4.987ms - failed Unable to connect to host 'alt1.aspmx.l.google.com' (2a00:1450:400b:c00::1b) on port 443.
5.029
+000
ERRUnable to connect, secure and authenticate any connection Does the remote host support TLS/SSL connections on port 443?