Hi Again 
So I have been testing unbound quite extensively over the past couple of days and am really liking it.
I have a question though, regarding timeouts.
A ‘unbound-control dump_requestlist’ shows the following
thread #0
type cl name seconds module status
0 A IN cascata.com. 123.845855 iterator wait for 69.90.13.6
1 A IN 68-116-240-174.dhcp.ftca.co.charter.com. 123.919558 iterator wait for 66.191.36.11
2 PTR IN 3.178.248.207.in-addr.arpa. 151.365325 iterator wait for 204.153.24.1
3 PTR IN 5.136.26.58.in-addr.arpa. 152.588019 iterator wait for 58.26.136.10
4 PTR IN 10.247.62.207.in-addr.arpa. 146.790214 iterator wait for 207.62.235.40
5 PTR IN 30.247.62.207.in-addr.arpa. 156.369539 iterator wait for 207.62.235.40
6 PTR IN 38.49.154.204.in-addr.arpa. 129.552641 iterator wait for 204.154.48.15
7 PTR IN 55.17.184.167.in-addr.arpa. 126.195268 iterator wait for 167.184.128.29
8 PTR IN 71.247.62.207.in-addr.arpa. 156.820779 iterator wait for 207.62.235.40
9 PTR IN 114.113.195.166.in-addr.arpa. 144.681431 iterator wait for 209.183.48.20
10 PTR IN 116.189.34.200.in-addr.arpa. 154.386975 iterator wait for 200.34.109.90
11 PTR IN 120.236.9.204.in-addr.arpa. 135.154707 iterator wait for 66.172.144.3
12 PTR IN 123.236.9.204.in-addr.arpa. 135.155951 iterator wait for 66.172.144.3
13 PTR IN 135.25.43.211.in-addr.arpa. 155.581005 iterator wait for 210.104.1.3
14 PTR IN 139.247.62.207.in-addr.arpa. 152.166376 iterator wait for 207.62.234.180
15 PTR IN 170.205.77.63.in-addr.arpa. 126.063830 iterator wait for 69.44.24.3
16 PTR IN 212.89.117.217.in-addr.arpa. 130.618862 iterator wait for 217.117.80.1
17 PTR IN 250.244.194.66.in-addr.arpa. 130.165708 iterator wait for 24.154.1.7
18 PTR IN 253.71.43.211.in-addr.arpa. 113.330439 iterator wait for 210.204.251.22
According to dig +trace, most of the errors are Bad Referrals. An example being
247.62.207.in-addr.arpa. 86400 IN NS smcdns1.smccd.net.
247.62.207.in-addr.arpa. 86400 IN NS candns1.smccd.net.
;; Received 129 bytes from 130.150.102.100#53(ns1.csu.net) in 264 ms
247.62.207.in-addr.arpa. 64122 IN NS smcdns1.smccd.net.
247.62.207.in-addr.arpa. 64122 IN NS candns1.smccd.net.
;; BAD (HORIZONTAL) REFERRAL
;; Received 129 bytes from 207.62.234.180#53(candns1.smccd.net) in 259 ms
247.62.207.in-addr.arpa. 64122 IN NS candns1.smccd.net.
247.62.207.in-addr.arpa. 64122 IN NS smcdns1.smccd.net.
;; BAD (HORIZONTAL) REFERRAL
;; Received 129 bytes from 207.62.234.180#53(candns1.smccd.net) in 265 ms
How many Bad referrals need to be received before being classed as a SERVFAIL and how long
will the query be worked on until it times out ?
Thanks
Gareth