[dns-operations] why use different dig version return different result?

[Champion Xie]

why  use different dig version return different result?    Request to reach
a different server?

the traceroute info :
 1  211.144.10.97 (211.144.10.97)  1.908 ms  1.905 ms  1.901 ms
 2  211.144.10.33 (211.144.10.33)  0.993 ms  1.120 ms  1.454 ms
 3  211.144.10.1 (211.144.10.1)  1.139 ms  1.279 ms  1.596 ms
 4  61.135.112.65 (61.135.112.65)  0.343 ms  0.406 ms  0.472 ms
 5  61.51.113.17 (61.51.113.17)  3.496 ms  3.522 ms  3.520 ms
 6  61.148.4.237 (61.148.4.237)  3.206 ms  2.811 ms  2.782 ms
 7  202.96.12.77 (202.96.12.77)  1.894 ms  2.172 ms  2.069 ms
 8  219.158.8.242 (219.158.8.242)  23.836 ms  23.808 ms 219.158.7.234
(219.158.7.234)  22.405 ms
 9  219.158.19.70 (219.158.19.70)  28.845 ms 219.158.113.110
(219.158.113.110)  30.756 ms 219.158.19.70 (219.158.19.70)  27.648 ms
10  219.158.113.125 (219.158.113.125)  29.928 ms  29.931 ms  29.590 ms
11  219.158.116.242 (219.158.116.242)  145.527 ms  145.485 ms  149.499 ms
12  xe-7-1-3.edge1.SanJose3.Level3.net (4.53.209.77)  218.086 ms  218.021
ms  219.575 ms
13  * * *
14  BR2.Amsterdam1.surf.net (213.244.164.2)  336.048 ms  330.278 ms
328.464 ms
15  ae1-8.RT.BMB.KIV.UA.retn.net (87.245.232.202)  390.253 ms  383.984 ms
390.243 ms
16  GW-InfoCom.retn.net (87.245.247.154)  395.526 ms  391.990 ms  391.962 ms
17  h109.195-230-151.ukrpack.net (195.230.151.109)  339.435 ms  344.937 ms
337.602 ms
18  ic.della.ua (212.1.66.247)  382.397 ms  390.303 ms  384.523 ms




*./dig xn--j1amh. @212.1.66.247 <http://212.1.66.247>  +edns=1*
;; BADVERS, retrying with EDNS version 0.

; <<>> *DiG 9.11.1cn1-P3* <<>> xn--j1amh. @212.1.66.247 +edns=1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: *SERVFAIL*, id: 41568
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;xn--j1amh. IN A

;; Query time: 3249 msec
;; SERVER: 212.1.66.247#53(212.1.66.247)
;; WHEN: Mon Sep 10 11:15:29 CST 2018
;; MSG SIZE  rcvd: 38

dig xn--j1amh. @212.1.66.247  +edns=1

; <<>>* DiG 9.8.2rc1-RedHat-9.8.2-0.62.rc1.el6* <<>> xn--j1amh. @
212.1.66.247 +edns=1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: *BADVERS*, id: 53766
;; flags: qr rd; QUERY: 0, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; Query time: 819 msec
;; SERVER: 212.1.66.247#53(212.1.66.247)
;; WHEN: Mon Sep 10 11:16:08 2018
;; MSG SIZE  rcvd: 23

-- 
Best Regards!!
champion_xie
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