And the point of require multiple nameservers is to provide redundancy. There is no redundancy when both servers have the same address.
[rock:~/git/tld-report] marka% ping 162.202.233.81 PING 162.202.233.81 (162.202.233.81): 56 data bytes 64 bytes from 162.202.233.81: icmp_seq=0 ttl=45 time=520.065 ms Request timeout for icmp_seq 1 64 bytes from 162.202.233.81: icmp_seq=2 ttl=45 time=333.043 ms ^C --- 162.202.233.81 ping statistics --- 3 packets transmitted, 2 packets received, 33.3% packet loss round-trip min/avg/max/stddev = 333.043/426.554/520.065/93.511 ms [rock:~/git/tld-report] marka% dig archaxis.net @162.202.233.81 ; <<>> DiG 9.12.0b2+hotspot+add-prefetch+marka <<>> archaxis.net @162.202.233.81 ;; global options: +cmd ;; connection timed out; no servers could be reached [rock:~/git/tld-report] marka% dig archaxis.net @162.202.233.81 +tcp ;; Connection to 162.202.233.81#53(162.202.233.81) for archaxis.net failed: timed out. ;; Connection to 162.202.233.81#53(162.202.233.81) for archaxis.net failed: timed out. ; <<>> DiG 9.12.0b2+hotspot+add-prefetch+marka <<>> archaxis.net @162.202.233.81 +tcp ;; global options: +cmd ;; connection timed out; no servers could be reached ;; Connection to 162.202.233.81#53(162.202.233.81) for archaxis.net failed: timed out. [rock:~/git/tld-report] marka% Mark > On 21 Nov 2017, at 9:51 am, Tony Finch <d...@dotat.at> wrote: > > Ron Wingfield <foobar...@gmail.com> wrote: > >> ns1 IN A 162.202.233.81 >> ns2 IN A 162.202.233.81 > > This address isn't responding to DNS queries. > > Tony. > -- > f.anthony.n.finch <d...@dotat.at> http://dotat.at/ - I xn--zr8h punycode > Sole, Lundy, Fastnet, Irish Sea: South or southwest 4 or 5, increasing 6 or 7, > perhaps gale 8 later. Moderate or rough. Rain or drizzle. Good, occasionally > poor. > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
