| User Agent |
|---|
| ds9 2.001.ec2 |
| ds9 2.010.ec2( https://data.dss.sps.copyright.com/docs/user_agent.html) |
| ds9 2.010.ec2 |
| ds9 2.009.1( https://data.dss.sps.copyright.com/docs/user_agent.html) |
| ds9 2.009.1 |
| ds9 2.000.ec2(+http://www.deepsearchnine.com/ds9.html) |
| ds9 2.000.ec2 |