<div dir="ltr">Hi Stephane.<div>Not if you're in the UK at least. <a href="https://downdetector.com/status/aws-amazon-web-services">https://downdetector.com/status/aws-amazon-web-services</a></div><div>Checkout the map.</div><div><br></div><div>cheers, Greg</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 23 Oct 2019 at 12:43, Stephane Bortzmeyer <<a href="mailto:bortzmeyer@nic.fr">bortzmeyer@nic.fr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Wed, Oct 23, 2019 at 11:34:57AM +0100,<br>
Greg Choules via dns-operations <<a href="mailto:dns-operations@dns-oarc.net" target="_blank">dns-operations@dns-oarc.net</a>> wrote <br>
a message of 136 lines which said:<br>
<br>
> It appears that Amazon are blocking queries of type CNAME.<br>
<br>
Not for me.<br>
<br>
% dig @<a href="http://ns-27.awsdns-03.com" rel="noreferrer" target="_blank">ns-27.awsdns-03.com</a>. CNAME <a href="http://mycloudydatadffgdfssdf.s3.amazonaws.com" rel="noreferrer" target="_blank">mycloudydatadffgdfssdf.s3.amazonaws.com</a>.<br>
<br>
; <<>> DiG 9.11.5-P4-5.1-Debian <<>> @<a href="http://ns-27.awsdns-03.com" rel="noreferrer" target="_blank">ns-27.awsdns-03.com</a>. CNAME <a href="http://mycloudydatadffgdfssdf.s3.amazonaws.com" rel="noreferrer" target="_blank">mycloudydatadffgdfssdf.s3.amazonaws.com</a>.<br>
; (2 servers found)<br>
;; global options: +cmd<br>
;; Got answer:<br>
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41613<br>
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 4, ADDITIONAL: 9<br>
;; WARNING: recursion requested but not available<br>
<br>
;; OPT PSEUDOSECTION:<br>
; EDNS: version: 0, flags:; udp: 4096<br>
;; QUESTION SECTION:<br>
;<a href="http://mycloudydatadffgdfssdf.s3.amazonaws.com" rel="noreferrer" target="_blank">mycloudydatadffgdfssdf.s3.amazonaws.com</a>. IN CNAME<br>
<br>
;; ANSWER SECTION:<br>
<a href="http://mycloudydatadffgdfssdf.s3.amazonaws.com" rel="noreferrer" target="_blank">mycloudydatadffgdfssdf.s3.amazonaws.com</a>. 7519 IN CNAME <a href="http://s3-directional-w.amazonaws.com" rel="noreferrer" target="_blank">s3-directional-w.amazonaws.com</a>.<br>
<a href="http://s3-directional-w.amazonaws.com" rel="noreferrer" target="_blank">s3-directional-w.amazonaws.com</a>. 600 IN CNAME <a href="http://s3-1-w.amazonaws.com" rel="noreferrer" target="_blank">s3-1-w.amazonaws.com</a>.<br>
<br>
;; AUTHORITY SECTION:<br>
<a href="http://amazonaws.com" rel="noreferrer" target="_blank">amazonaws.com</a>. 3600 IN NS <a href="http://r1.amazonaws.com" rel="noreferrer" target="_blank">r1.amazonaws.com</a>.<br>
<a href="http://amazonaws.com" rel="noreferrer" target="_blank">amazonaws.com</a>. 3600 IN NS <a href="http://r2.amazonaws.com" rel="noreferrer" target="_blank">r2.amazonaws.com</a>.<br>
<a href="http://amazonaws.com" rel="noreferrer" target="_blank">amazonaws.com</a>. 3600 IN NS <a href="http://u1.amazonaws.com" rel="noreferrer" target="_blank">u1.amazonaws.com</a>.<br>
<a href="http://amazonaws.com" rel="noreferrer" target="_blank">amazonaws.com</a>. 3600 IN NS <a href="http://u2.amazonaws.com" rel="noreferrer" target="_blank">u2.amazonaws.com</a>.<br>
<br>
;; ADDITIONAL SECTION:<br>
<a href="http://r1.amazonaws.com" rel="noreferrer" target="_blank">r1.amazonaws.com</a>. 7211 IN A 205.251.192.27<br>
<a href="http://r1.amazonaws.com" rel="noreferrer" target="_blank">r1.amazonaws.com</a>. 3583 IN AAAA 2600:9000:5300:1b00::1<br>
<a href="http://r2.amazonaws.com" rel="noreferrer" target="_blank">r2.amazonaws.com</a>. 7213 IN A 205.251.195.199<br>
<a href="http://r2.amazonaws.com" rel="noreferrer" target="_blank">r2.amazonaws.com</a>. 3613 IN AAAA 2600:9000:5303:c700::1<br>
<a href="http://u1.amazonaws.com" rel="noreferrer" target="_blank">u1.amazonaws.com</a>. 1800 IN A 156.154.64.10<br>
<a href="http://u1.amazonaws.com" rel="noreferrer" target="_blank">u1.amazonaws.com</a>. 3593 IN AAAA 2001:502:f3ff::10<br>
<a href="http://u2.amazonaws.com" rel="noreferrer" target="_blank">u2.amazonaws.com</a>. 1800 IN A 156.154.65.10<br>
<a href="http://u2.amazonaws.com" rel="noreferrer" target="_blank">u2.amazonaws.com</a>. 3607 IN AAAA 2610:a1:1014::10<br>
<br>
;; Query time: 207 msec<br>
;; SERVER: 2600:9000:5300:1b00::1#53(2600:9000:5300:1b00::1)<br>
;; WHEN: Wed Oct 23 13:40:23 CEST 2019<br>
;; MSG SIZE rcvd: 364<br>
<br>
But some RIPE Atlas probes experience problems:<br>
<br>
% blaeu-resolve -r 100 --type CNAME <a href="http://mycloudydatadffgdfss666df.s3.amazonaws.com" rel="noreferrer" target="_blank">mycloudydatadffgdfss666df.s3.amazonaws.com</a>.<br>
[<a href="http://s3-directional-w.amazonaws.com" rel="noreferrer" target="_blank">s3-directional-w.amazonaws.com</a>.] : 78 occurrences <br>
[ERROR: SERVFAIL] : 9 occurrences <br>
[ERROR: FORMERR] : 1 occurrences <br>
[ERROR: NXDOMAIN] : 1 occurrences <br>
Test #23109470 done at 2019-10-23T11:41:28Z<br>
</blockquote></div>