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@mrwacky42
Last active August 6, 2018 17:38
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CNAME responses to questions for NS? Not so good. ;(
$ dig open.mapquestapi.com ns @dns-01.ns.aol.com.
; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> open.mapquestapi.com ns @dns-01.ns.aol.com.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27945
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;open.mapquestapi.com. IN NS
;; ANSWER SECTION:
open.mapquestapi.com. 3600 IN CNAME mq-openmqapi.egslb.aol.com.
;; AUTHORITY SECTION:
egslb.aol.com. 3600 IN NS nsm-mtc-gslb.lb.aol.com.
egslb.aol.com. 3600 IN NS nsm-frr-gslb.lb.aol.com.
egslb.aol.com. 3600 IN NS nsm-ntc-gslb.lb.aol.com.
egslb.aol.com. 3600 IN NS nsm-dtc-gslb.lb.aol.com.
Oh, I see, all questions get CNAME responses..
$ dig open.mapquestapi.com AAAA @dns-01.ns.aol.com.
; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> open.mapquestapi.com AAAA @dns-01.ns.aol.com.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51841
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;open.mapquestapi.com. IN AAAA
;; ANSWER SECTION:
open.mapquestapi.com. 3600 IN CNAME mq-openmqapi.egslb.aol.com.
;; AUTHORITY SECTION:
egslb.aol.com. 3600 IN NS nsm-dtc-gslb.lb.aol.com.
egslb.aol.com. 3600 IN NS nsm-mtc-gslb.lb.aol.com.
egslb.aol.com. 3600 IN NS nsm-ntc-gslb.lb.aol.com.
egslb.aol.com. 3600 IN NS nsm-frr-gslb.lb.aol.com.
;; ADDITIONAL SECTION:
nsm-dtc-gslb.lb.aol.com. 3600 IN A 205.188.14.33
nsm-frr-gslb.lb.aol.com. 3600 IN A 195.93.80.147
nsm-mtc-gslb.lb.aol.com. 3600 IN A 64.12.20.19
nsm-ntc-gslb.lb.aol.com. 3600 IN A 207.200.64.40
;; Query time: 74 msec
;; SERVER: 64.12.51.132#53(64.12.51.132)
;; WHEN: Thu Mar 27 08:45:16 2014
;; MSG SIZE rcvd: 250
LAME server alert. No Authority response, and no answers ;( ;( ;(
$ dig mq-openmqapi.egslb.aol.com. AAAA @nsm-ntc-gslb.lb.aol.com.
; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> mq-openmqapi.egslb.aol.com. AAAA @nsm-ntc-gslb.lb.aol.com.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1574
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available
;; QUESTION SECTION:
;mq-openmqapi.egslb.aol.com. IN AAAA
;; Query time: 12 msec
;; SERVER: 207.200.64.40#53(207.200.64.40)
;; WHEN: Thu Mar 27 08:45:22 2014
;; MSG SIZE rcvd: 44
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