Broken name servers timeout for AAAA queries

```
 % dig @gaia.culture.fr. AAAA www.siv.archives-nationales.culture.gouv.fr

; <<>> DiG 9.9.5-9+deb8u9-Debian <<>> @gaia.culture.fr. AAAA www.siv.archives-nationales.culture.gouv.fr
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached


% dig @gaia.culture.fr. A www.siv.archives-nationales.culture.gouv.fr

; <<>> DiG 9.9.5-9+deb8u9-Debian <<>> @gaia.culture.fr. A www.siv.archives-nationales.culture.gouv.fr
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16413
;; flags: qr aa rd ad; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;www.siv.archives-nationales.culture.gouv.fr. IN	A

;; ANSWER SECTION:
www.siv.archives-nationales.culture.gouv.fr. 30	IN A 143.126.211.27

;; Query time: 28 msec
;; SERVER: 46.218.209.228#53(46.218.209.228)
;; WHEN: Thu Apr 27 16:04:30 CEST 2017
;; MSG SIZE  rcvd: 88
```