Unable to understand why a different A record response being sent by bind
Harshith Mulky
harshith.mulky at outlook.com
Mon Jun 20 13:05:43 UTC 2016
I am Running bind (bind-9.9.5P1-2.2.2.x86_64) on Open Suse 13.2
I have the following Records in my Zone file
$ORIGIN test1.com.
$TTL 600
@ IN SOA atlanta.test1.com. admin.test1.com. (
2003022720 ; Serial
56800 ; Refresh
14400 ; Retry
3600000 ; Expire
2h ) ; Minimum
IN NS atlanta.test1.com.
atlanta.test1.com. IN A 10.54.48.68
;A Records
denver1.test1.com. IN A 10.54.80.150
denver1.test10.com. IN A 10.54.80.17
denver2.test1.com. IN A 10.54.80.150
IN A 10.54.80.35
test1.com. IN A 10.54.80.150
When I am doing a dig for the record denver2.test1.com. for A
I am receiving this Response:
dig denver2.test1.com. A
; <<>> DiG 9.9.5-rpz2+rl.14038.05-P1 <<>> denver2.test1.com. A
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42085
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 2
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;denver2.test1.com. IN A
;; ANSWER SECTION:
denver2.test1.com. 600 IN A 10.54.80.150
denver2.test1.com. 600 IN A 10.54.80.35
;; AUTHORITY SECTION:
test1.com. 600 IN NS atlanta.test1.com.
;; ADDITIONAL SECTION:
atlanta.test1.com. 600 IN A 10.54.48.68
;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Jun 20 18:22:29 IST 2016
;; MSG SIZE rcvd: 122
Question:
1. I am not able to understand why this answer is being Received
denver2.test1.com. 600 IN A 10.54.80.35
as I have not configured any owner-name for the record type
2. If there is no owner-name specified in the DNS Records, what owner-name does the record actually pick?
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