[outages] Akamai DNS issues

[Steve Pointer]

> But I’m also seeing issues with other sites like enterprise.com and 
> southwest.com that don’t appear to use Akamai DNS. 

I think they do:

$ dig www.enterprise.com

; <<>> DiG 9.11.3-1ubuntu1.15-Ubuntu <<>> www.enterprise.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56312
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 8, ADDITIONAL: 10

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.enterprise.com.            IN      A

;; ANSWER SECTION:
www.enterprise.com.     571     IN      CNAME   ehi-prod-ecom.edgekey.net.
ehi-prod-ecom.edgekey.NET. 21571 IN     CNAME   e38647.dscx.akamaiedge.net.
e38647.dscx.akamaiedge.net. 20  IN      A       23.198.7.180
e38647.dscx.akamaiedge.net. 20  IN      A       23.198.7.176

;; AUTHORITY SECTION:
dscx.akamaiedge.NET.    1727    IN      NS      n6dscx.akamaiedge.net.
dscx.akamaiedge.NET.    1727    IN      NS      n1dscx.akamaiedge.net.
dscx.akamaiedge.NET.    1727    IN      NS      n4dscx.akamaiedge.net.
dscx.akamaiedge.NET.    1727    IN      NS      n2dscx.akamaiedge.net.
dscx.akamaiedge.NET.    1727    IN      NS      n3dscx.akamaiedge.net.
dscx.akamaiedge.NET.    1727    IN      NS      n0dscx.akamaiedge.net.
dscx.akamaiedge.NET.    1727    IN      NS      n5dscx.akamaiedge.net.
dscx.akamaiedge.NET.    1727    IN      NS      n7dscx.akamaiedge.net.

$ dig www.southwest.com

; <<>> DiG 9.11.3-1ubuntu1.15-Ubuntu <<>> www.southwest.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64049
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 8, ADDITIONAL: 11

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.southwest.com.             IN      A

;; ANSWER SECTION:
www.southwest.com.      300     IN      CNAME   www.southwest.com.edgekey.net.
www.southwest.com.edgekey.net. 300 IN   CNAME   e7466.a.akamaiedge.net.
e7466.a.akamaiedge.net. 20      IN      A       23.35.160.178

;; AUTHORITY SECTION:
a.akamaiedge.NET.       1673    IN      NS      n1a.akamaiedge.NET.
a.akamaiedge.NET.       1673    IN      NS      n0a.akamaiedge.NET.
a.akamaiedge.NET.       1673    IN      NS      n4a.akamaiedge.NET.
a.akamaiedge.NET.       1673    IN      NS      n2a.akamaiedge.NET.
a.akamaiedge.NET.       1673    IN      NS      n7a.akamaiedge.NET.
a.akamaiedge.NET.       1673    IN      NS      n6a.akamaiedge.NET.
a.akamaiedge.NET.       1673    IN      NS      n5a.akamaiedge.NET.
a.akamaiedge.NET.       1673    IN      NS      n3a.akamaiedge.NET.