Unrecognized two NS DNS record

I have set two NS record in my CF DNS panel for domain cavallino-bianco.com (ref. image)

But no one are recognized externally:

or

https://www.nslookup.io/domains/mailing.cavallino-bianco.com/dns-records/
(the same Cloudflare still not recognize this NS record!)

Thanks for your support!

P.S.
I have already read the documentation in Delegating Subdomains · Cloudflare DNS docs and it doesn’t contain any helpful info

The delegation is showing, but the nameservers you are pointing at aren’t answering for mailing.cavallino-bianco.com.

dig +trace +nodnssec -4 mailing.cavallino-bianco.com

; <<>> DiG 9.10.6 <<>> +trace +nodnssec -4 mailing.cavallino-bianco.com
;; global options: +cmd
.			517235	IN	NS	a.root-servers.net.
.			517235	IN	NS	b.root-servers.net.
.			517235	IN	NS	c.root-servers.net.
.			517235	IN	NS	d.root-servers.net.
.			517235	IN	NS	e.root-servers.net.
.			517235	IN	NS	f.root-servers.net.
.			517235	IN	NS	g.root-servers.net.
.			517235	IN	NS	h.root-servers.net.
.			517235	IN	NS	i.root-servers.net.
.			517235	IN	NS	j.root-servers.net.
.			517235	IN	NS	k.root-servers.net.
.			517235	IN	NS	l.root-servers.net.
.			517235	IN	NS	m.root-servers.net.
;; Received 239 bytes from 127.0.2.2#53(127.0.2.2) in 0 ms

com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
;; Received 856 bytes from 192.36.148.17#53(i.root-servers.net) in 15 ms

cavallino-bianco.com.	172800	IN	NS	ram.ns.cloudflare.com.
cavallino-bianco.com.	172800	IN	NS	naya.ns.cloudflare.com.
;; Received 372 bytes from 192.33.14.30#53(b.gtld-servers.net) in 20 ms

mailing.cavallino-bianco.com. 86400 IN	NS	ns0.isprit2.de.
mailing.cavallino-bianco.com. 86400 IN	NS	ns1.isprit2.de.
;; Received 103 bytes from 108.162.194.242#53(naya.ns.cloudflare.com) in 14 ms

;; Received 57 bytes from 213.221.110.58#53(ns0.isprit2.de) in 29 ms
dig mailing.cavallino-bianco.com @ns0.isprit2.de

; <<>> DiG 9.10.6 <<>> mailing.cavallino-bianco.com @ns0.isprit2.de
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 57861
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;.	IN	A

;; Query time: 50 msec
;; SERVER: 213.221.110.58#53(213.221.110.58)
;; WHEN: Mon Feb 26 11:36:12 GMT 2024
;; MSG SIZE  rcvd: 57
2 Likes

Thanks @sjr for your reply!

1 Like

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