Seth Mattinen <sethm@rollernet.us> writes:
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:
Looks like they host DNS on both cloudflare and akami, but zone contents are different on the two platforms: bjorn@miraculix:~$ for s in $(dig +short ns authorize.net|sort); do echo -n "$s: ";dig +short login.authorize.net @$s|xargs; done a10-64.akam.net.: login.authorize.net.cdn.cloudflare.net. a1-190.akam.net.: login.authorize.net.cdn.cloudflare.net. a2-65.akam.net.: login.authorize.net.cdn.cloudflare.net. a9-64.akam.net.: login.authorize.net.cdn.cloudflare.net. ns0090.secondary.cloudflare.com.: 104.18.8.127 104.18.9.127 ns0210.secondary.cloudflare.com.: 104.18.9.127 104.18.8.127 Interesting enough the serial number is consistent though: bjorn@miraculix:~$ for s in $(dig +short ns authorize.net|sort); do echo -n "$s: ";dig +short soa authorize.net @$s; done a10-64.akam.net.: ns1.dnsvisa.com. premiumdns.support.neustar. 2019103361 600 300 1209600 300 a1-190.akam.net.: ns1.dnsvisa.com. premiumdns.support.neustar. 2019103361 600 300 1209600 300 a2-65.akam.net.: ns1.dnsvisa.com. premiumdns.support.neustar. 2019103361 600 300 1209600 300 a9-64.akam.net.: ns1.dnsvisa.com. premiumdns.support.neustar. 2019103361 600 300 1209600 300 ns0090.secondary.cloudflare.com.: ns1.dnsvisa.com. premiumdns.support.neustar. 2019103361 600 300 1209600 300 ns0210.secondary.cloudflare.com.: ns1.dnsvisa.com. premiumdns.support.neustar. 2019103361 600 300 1209600 300 I wish I could say that this is surprising.... Bjørn