`dun.cx`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5406^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b883^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.6^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.131^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melinda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melinda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melinda.ns.cloudflare.com`
		A	108.162.192.198^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	172.64.32.198^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	173.245.58.198^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
NS	`rex.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c0d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c30d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:230d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rex.ns.cloudflare.com`
		A	108.162.195.13^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
		A	162.159.44.13^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
		A	172.64.35.13^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rex.ns.cloudflare.com`
MX	`_dc-mx.96a5ddf86367.dun.cx` ⭐
		A	159.195.92.212^{🇩🇰 netcup159.195.92.0/22}
			PTR	`v2202603339999438242.hotsrv.de`
TXT	`v=spf1 +a +mx +ip4:103.174.153.171 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.6, 172.67.184.131
		IPv6 hints	2606:4700:3031::6815:5406, 2606:4700:3037::ac43:b883
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=29, name=cloudflare-ech.com
SOA	`melinda.ns.cloudflare.com`dns@cloudflare.com serial=2409596021

`cx`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns.anycast.nic.cx` ⭐
	NS	`ns1.anycastdns.cz`
	NS	`ns2.anycastdns.cz`
	TXT	`Generation Time: 1785865134`
	TXT	`Generation Time ISO 8601: 2026-08-04 17:38:54`
	SOA	`ns.anycast.nic.cx`hostmaster@coccaregistry.org 2026-08-04 #17

⚠️ On DNS blocklist: urlshortener

Same first word

dun.nu

dun.be

dun.jp

dun.net

dun.dk

dun.so

dun.cz

dun.kim

dun.us

dun.wtf

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dun.cx

dun.no

dun.canva-apps.cn

dun.eu

dun.name

dun.cn

dun.fr

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dun.info

dun.org

dun.global

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dun.la

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dun.pw

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dun.it

dun.im

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dun.me

dun.org.uk

dun.tv

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dun.com

dun.nl

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dun.ro

dun.ca

Similar names

nud.be

und.red

udn.org

dnu.co.uk

und.su

nud.ge

ndu.com

udn.su

dnu.eu

dnu.jp

und.sk

udn.info

udn.se

nud.ca

und.com.ua

dnu.dp.ua

und.org.tr

udn.in

nud.ir

udn.vn

und.cn

ndu.org

nud.me

dnu.at

ndu.au

ndu.edu.pk

udn.co.za

nud.li

ndu.se

und.com

dnu.edu.vn

nud.co.jp

dnu.in.ua

ndu.edu.tw

dnu.vn

und.hu

nud.in

und.cz

ndu.wtf

ndu.eu

dnu.us

nud.pl

und.nl

ndu.dk

und.com.tr

nud.es

ndu.ac.jp

udn.pl

udn.today

dnu.de

ndu.digital

nud.com

und.com.cn

ndu.edu.az

udn.be

und.es

und.world

ndu.edu.ua

ndu.org.nz

ndu.be

und.org.br

und.so

dnu.com.mx

ndu.edu

und.ch

nud.at

dnu.org.uk

dnu.co.kr

dnu.dk

udn.de

udn.co

udn.ch

nud.jp

und.jp

ndu.co.uk

und.pink

ndu.info.az

und.org

ndu.com.vn

nud.co.za

udn.ne.jp

udn.ac.id

nud.us

dnu.ch

ndu.ac.ug

und.casino

nud.com.mx

ndu.pl

udn.com.tw

und.at

dnu.pl

und.co

DNS History

11 records (7 active, 4 former)

●NSmelinda.ns.cloudflare.com2026-08-01 → 2026-08-04 · 2 obs

● 2026-08-01 21:11:06
● 2026-08-04 18:57:06

●NSrex.ns.cloudflare.com2026-08-01 → 2026-08-04 · 2 obs

● 2026-08-01 21:11:06
● 2026-08-04 18:57:06

●MX_dc-mx.96a5ddf86367.dun.cx2026-08-01 → 2026-08-04 · 2 obs

● 2026-08-01 21:11:06
● 2026-08-04 18:57:06

●A104.21.84.62026-08-04 → 2026-08-04 · 3 obs

○ 2026-08-01 21:11:06
● 2026-08-04 18:57:04
● 2026-08-04 18:57:06

●A172.67.184.1312026-08-04 → 2026-08-04 · 3 obs

○ 2026-08-01 21:11:06
● 2026-08-04 18:57:04
● 2026-08-04 18:57:06

○A188.114.96.02026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:11:06
○ 2026-08-04 18:57:04
○ 2026-08-04 18:57:06

○A188.114.97.02026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:11:06
○ 2026-08-04 18:57:04
○ 2026-08-04 18:57:06

●A2606:4700:3031::6815:54062026-08-04 → 2026-08-04 · 3 obs

○ 2026-08-01 21:11:06
● 2026-08-04 18:57:04
● 2026-08-04 18:57:06

●A2606:4700:3037::ac43:b8832026-08-04 → 2026-08-04 · 3 obs

○ 2026-08-01 21:11:06
● 2026-08-04 18:57:04
● 2026-08-04 18:57:06

○A2a06:98c1:3120::42026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:11:06
○ 2026-08-04 18:57:04
○ 2026-08-04 18:57:06

○A2a06:98c1:3121::42026-08-01 → 2026-08-01 · 3 obs

● 2026-08-01 21:11:06
○ 2026-08-04 18:57:04
○ 2026-08-04 18:57:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cx	ns2.anycastdns.cz, ns1.anycastdns.cz, ns.anycast.nic.cx	-
dun.cx	rex.ns.cloudflare.com, melinda.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.13

NS records: rex.ns.cloudflare.com, melinda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dun.cx (unsigned zone)

⏱️ Timing

Total: 875ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.184.131, 104.21.84.6`
AAAA	2	`2606:4700:3031::6815:5406, 2606:4700:3037::ac43:b883`
NS	2	`melinda.ns.cloudflare.com, rex.ns.cloudflare.com`
MX	1	`_dc-mx.96a5ddf86367.dun.cx (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:103.174.153.171 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melinda.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

dun.cx resolves to four IP addresses: 104.21.84.6, 172.67.184.131, 2606:4700:3031::6815:5406 and 2606:4700:3037::ac43:b883.

Additional host names — itatibadosul.rs.leg.br, fm-expert.com, funesushibar.com and two others — share IP numbers with dun.cx.

Name Servers

dun.cx has two authoritative name servers — melinda.ns.cloudflare.com and rex.ns.cloudflare.com.

dun.cx shares its name server setup with other domains, including cryptomatrix.money, find-my-ld-support.click, maps-ltp-support.click and two others.

dun.cx shares at least some of its name servers with other domains, including ferranconde.com, stevekirbytherapy.co.uk, dimanaracik198.store and two others.

These name servers are frequently paired with the name servers heather.ns.cloudflare.com and iris.ns.cloudflare.com.

Host names with 6 IP numbers:

melinda.ns.cloudflare.com points to 108.162.192.198, 172.64.32.198, 173.245.58.198 and 3 other IP addresses.

rex.ns.cloudflare.com points to 108.162.195.13, 162.159.44.13, 172.64.35.13 and 3 other IP addresses.

Mail Servers

dun.cx has one mail server: _dc-mx.96a5ddf86367.dun.cx.

_dc-mx.96a5ddf86367.dun.cx points to one IP number — 159.195.92.212.

dun.cx - robtex.com

dun.cx

cx

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`dun.cx`

`cx`