Our company registered the domain example.com
with Amazon's Route53 registrar. This also created a hosted DNS zone named example.com
in Amazon Route53 DNS service. Before applying any modification, the DNS records looked like this:
example.com. 3600 IN NS ns-187.awsdns-23.com.
example.com. 3600 IN NS ns-1817.awsdns-35.co.uk.
example.com. 3600 IN NS ns-982.awsdns-58.net.
example.com. 3600 IN NS ns-1201.awsdns-22.org.
example.com. 3600 IN SOA ns-187.awsdns-23.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
We would like to delegate the whole example.com
zone to one of our partners, which uses another DNS service (OVH), while remaining the owners of the zone. I instructed our partner to create the zone in their DNS service and give me their name servers (which are dns15.ovh.net
and ns15.ovh.net
). Then I replaced the NS records for example.com
in Amazon Route53 with their name servers, but it doesn't seem to work as expected. This is what shows up when querying ANY with dig using the default resolver:
example.com. 3600 IN NS dns15.ovh.net.
example.com. 3600 IN NS ns15.ovh.net.
example.com. 3600 IN SOA ns-187.awsdns-23.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
I can see that the new NS records have been propagated correctly to all resolvers, but records set on our partner's side are completely ignored, except when using their name servers explicitly to resolve DNS queries. This is what shows up when querying with their resolvers (which I was expecting to see with all other resolvers as well):
example.com. 3600 IN NS dns15.ovh.net.
example.com. 3600 IN NS ns15.ovh.net.
example.com. 3600 IN SOA dns15.ovh.net. tech.ovh.net. 2021052803 86400 3600 3600000 60
example.com. 3600 IN MX 1 mx4.mail.ovh.net.
example.com. 3600 IN MX 10 mx3.mail.ovh.net.
example.com. 3600 IN A 213.186.33.5
example.com. 3600 IN TXT "1|www.example.com"
This is the first time we try to delegate a whole 2nd level domain, but we have been delegating sub-domains in the past without any issue. Is it possible at all to delegate a root domain to another DNS service?