On Thu, May 28, 2020 at 07:35:10PM +0000, Dan Walters via Outages wrote:
Simile.amazon.com and business.amazon.com both seem to be working but www.amazon.com<http://www.amazon.com> and amazon.com both are not.
Carrier spectrum Wisconsin.
Dns seems to be resolving... but have seen a few nxdomains show up from the web browser?
Results from one authoritative amazon.com server shown below; similar results for the others.
dig +short NS amazon.com ns2.p31.dynect.net. pdns6.ultradns.co.uk. ns3.p31.dynect.net. ns4.p31.dynect.net. ns1.p31.dynect.net. pdns1.ultradns.net.
dig @ns2.p31.dynect.net www.amazon.com
;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43669 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;www.amazon.com. IN A ;; ANSWER SECTION: www.amazon.com. 1800 IN CNAME tp.47cf2c8c9-frontier.amazon.com.
dig @ns2.p31.dynect.net tp.47cf2c8c9-frontier.amazon.com.
;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39568 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;tp.47cf2c8c9-frontier.amazon.com. IN A One of my caches has: www.amazon.com. 1793 IN CNAME tp.47cf2c8c9-frontier.amazon.com. tp.47cf2c8c9-frontier.amazon.com. 53 IN CNAME www.amazon.com.edgekey.net. www.amazon.com.edgekey.net. 3575 IN CNAME e15316.e22.akamaiedge.net. e15316.e22.akamaiedge.net. 13 IN A 23.10.134.216 This has been going on longer than 53 seconds, so apparently sometimes the authoritative servers are able to resolve the "tp..." name. -- Brett