[nsd-users] glue records for NS

[Paul Wouters]

On Fri, 18 Jan 2019, Michael A. Peters wrote:

> running diagnostic test at http://www.dnssy.com/
>
> It claims
>
>     Glue is not provided by your nameservers. This means they did not
>     provide the IP address of your nameservers, so an extra step may be
>     required to resolve your domain. The following nameservers did not
>     have glue:
>
>     ns3.anetdns.com
>     ns2.anetdns.com
>     ns1.anetdns.com

> Am I doing it wrong, or is the diagnostic wrong?

The diagnostic is wrong:

$ dig ns anetdns.com @ns1.anetdns.com.

; <<>> DiG 9.9.4-RedHat-9.9.4-72.el7 <<>> ns anetdns.com @ns1.anetdns.com.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13779
;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 7
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;anetdns.com.			IN	NS

;; ANSWER SECTION:
anetdns.com.		3600	IN	NS	ns1.anetdns.com.
anetdns.com.		3600	IN	NS	ns2.anetdns.com.
anetdns.com.		3600	IN	NS	ns3.anetdns.com.

;; ADDITIONAL SECTION:
ns1.anetdns.com.	3600	IN	A	45.56.122.65
ns2.anetdns.com.	3600	IN	A	173.255.210.222
ns3.anetdns.com.	3600	IN	A	178.79.185.217
ns1.anetdns.com.	3600	IN	AAAA 2600:3c00::f03c:91ff:fe33:ac4b
ns2.anetdns.com.	3600	IN	AAAA 2600:3c01::f03c:91ff:fe33:ddb6
ns3.anetdns.com.	3600	IN	AAAA 2a01:7e00::f03c:91ff:fe18:8a7e

;; Query time: 38 msec
;; SERVER: 45.56.122.65#53(45.56.122.65)
;; WHEN: Fri Jan 18 10:50:05 EST 2019
;; MSG SIZE  rcvd: 226