Graph information
This graphs plots the flags inside incoming queries. For example, if QR, AA, TC, RA, Z flags are set, the query can be rejected. RD, AD, CD and DO are legitimately set by some software.
| Field | Internal name | Type | Warning | Critical | Info |
|---|---|---|---|---|---|
| QR (query reply) flag | n_q_flags_QR | absolute | |||
| AA (auth answer) flag | n_q_flags_AA | absolute | |||
| TC (truncated) flag | n_q_flags_TC | absolute | |||
| RD (recursion desired) flag | n_q_flags_RD | absolute | |||
| RA (rec avail) flag | n_q_flags_RA | absolute | |||
| Z (zero) flag | n_q_flags_Z | absolute | |||
| AD (auth data) flag | n_q_flags_AD | absolute | |||
| CD (check disabled) flag | n_q_flags_CD | absolute | |||
| EDNS OPT present | n_q_e_present | absolute | |||
| DO (DNSSEC OK) flag | n_q_e_DO | absolute |
Zooming is very easy, it's done in 3 clicks (regular clicks, no drag&drop):
- Click to define the start of zoom.
- Click to define the ending of zoom.
- Refresh.
You can use the interactive form too.