On 4/6/21 11:35 AM, Arne Jensen wrote:
login.authorize.net. is a CNAME, but does not have any A records itself.
This one returns A records: ; <<>> DiG 9.10.3-P4-Debian <<>> A login.authorize.net @ns0210.secondary.cloudflare.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25350 ;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ;; QUESTION SECTION: ;login.authorize.net. IN A ;; ANSWER SECTION: login.authorize.net. 300 IN A 104.18.9.127 login.authorize.net. 300 IN A 104.18.8.127 ;; Query time: 15 msec ;; SERVER: 2606:4700:59::a29f:2155#53(2606:4700:59::a29f:2155) ;; WHEN: Tue Apr 06 11:57:19 PDT 2021 ;; MSG SIZE rcvd: 80