I need to delegate our subdomain using NS record, but its not updating

i need to delegate our subdomain using NS record,

What is the domain, subdomain and nameservers?

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Sub domain is info.lc.ac.ae, i added NS record in cloudflare with 4 Name server but not propogating.

The nameservers are delegated…

dig -4 +trace +nodnssec info.lc.ac.ae

; <<>> DiG 9.18.18-0ubuntu0.22.04.2-Ubuntu <<>> -4 +trace +nodnssec info.lc.ac.ae
;; global options: +cmd
.			7172	IN	NS	a.root-servers.net.
.			7172	IN	NS	i.root-servers.net.
.			7172	IN	NS	h.root-servers.net.
.			7172	IN	NS	c.root-servers.net.
.			7172	IN	NS	m.root-servers.net.
.			7172	IN	NS	g.root-servers.net.
.			7172	IN	NS	b.root-servers.net.
.			7172	IN	NS	k.root-servers.net.
.			7172	IN	NS	l.root-servers.net.
.			7172	IN	NS	e.root-servers.net.
.			7172	IN	NS	f.root-servers.net.
.			7172	IN	NS	d.root-servers.net.
.			7172	IN	NS	j.root-servers.net.
;; Received 239 bytes from 127.0.0.53#53(127.0.0.53) in 0 ms

ae.			172800	IN	NS	ns1.aedns.ae.
ae.			172800	IN	NS	ns2.aedns.ae.
ae.			172800	IN	NS	ns4.apnic.net.
ae.			172800	IN	NS	nsext-pch.aedns.ae.
;; Received 319 bytes from 193.0.14.129#53(k.root-servers.net) in 16 ms

lc.ac.ae.		3600	IN	NS	dana.ns.cloudflare.com.
lc.ac.ae.		3600	IN	NS	gabe.ns.cloudflare.com.
;; Received 125 bytes from 199.4.137.1#53(nsext-pch.aedns.ae) in 0 ms

info.lc.ac.ae.		300	IN	NS	ns1.exacttarget.com.
info.lc.ac.ae.		300	IN	NS	ns2.exacttarget.com.
info.lc.ac.ae.		300	IN	NS	ns3.exacttarget.com.
info.lc.ac.ae.		300	IN	NS	ns4.exacttarget.com.
;; Received 129 bytes from 172.64.32.105#53(dana.ns.cloudflare.com) in 0 ms

;; Received 70 bytes from 66.231.94.222#53(ns2.exacttarget.com) in 140 ms

…but the 4 nameservers don’t contain themselves as NS records…

dig info.lc.ac.ae ns @ns1.exacttarget.com

; <<>> DiG 9.18.18-0ubuntu0.22.04.2-Ubuntu <<>> info.lc.ac.ae ns @ns1.exacttarget.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 57319
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 3bc52833c62b4718e1c0a72166289e2e134395ce2b61c056 (good)
;; QUESTION SECTION:
;info.lc.ac.ae.			IN	NS

…which is why you probably think they aren’t propagating as you are doing this…

dig info.lc.ac.ae ns

; <<>> DiG 9.18.18-0ubuntu0.22.04.2-Ubuntu <<>> info.lc.ac.ae ns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 9307
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;info.lc.ac.ae.			IN	NS

So when i try to do the dns check i cannot see the record for info.lc.ac.ae

the Team that provided the Name server, infom us they cannot see the name server for our subdomain and not delegated.

As I showed, it is delegated so what you have configured in Cloudflare is working as it should. As I said, the reason you can’t resolve the NS records is because your delegated nameservers don’t contain the NS records themselves.

Think about it this way, you have delegated requests for info.lc.ac.ae to nsX.exacttarget.com. So when you request A, AAAA, CNAME, TXT or even NS for info.lc.ac.ae, the requests are delegated to nsX.exacttarget.com, but those don’t currently have those NS records set inside themselves.

thank you very much for your support. we are trying to delegate to salesforce, do you have any experinece with sales force or please advise any other configuration from salesforce team.

If you are delegating to someone else’s nameservers, then the relevant configuration will be made at their end.

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