Publicly Available TSAs
The following TSA service providers were publicly available on the Internet at the time of writing. Ascertia makes no representations on their continued availability, accuracy of the URLs or accuracy/trustworthiness of time information they provide. The information is provided only for testing purposes:
| hostname:port, IP_address:port or URL |
Protocol |
TSA Web Page |
| http://www.ascertia.com/adss/tsa |
HTTP (POST) |
N/A |
| tsp.test.polito.it:8318 |
Pure TCP (RFC3161) |
http://security.polito.it |
| tsa.cryptoapps.com:3318 |
Pure TCP (RFC3161) |
N/A |
| testtsa.actalis.it:318 |
Pure TCP (RFC3161) |
N/A |
| tsp.iaik.at:318 tsp.iaik.at:10318 http://tsp.iaik.at/tsp/TspRequest Port: 80 https://tsp.iaik.at/tsp/TspRequest Port: 443 |
Pure TCP TLS HTTP HTTPS |
http://tsp.iaik.at |