`cdn21.de`

DNSSEC	⚠️ Not signed
A	91.132.146.246^{🇩🇪 netcup-AS91.132.144.0/22}
		PTR	`v2202601327760425345.ultrasrv.de`
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2025-12-31 #1

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1771291602

cdn21.com

12cdn.net

21cdn.com

cdn12.live

12cdn.xyz

21cnd.cn

cnd21.com

c21dn.com

ndc21.com

c21nd.com

dnc21.com

21cdn.net

12cdn.com

cdn12.to

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cdn21.de	hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de	-

Server: 193.47.99.5

NS records: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de

⚠️ Insecure (no DNSSEC)

No DS record for cdn21.de (unsigned zone)

Total: 1111ms | Queries: -

Type	Count	Sample Data
A	1	`91.132.146.246`
NS	3	`helium.ns.hetzner.de, hydrogen.ns.hetzner.com...`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

cdn21.de resolves to one IP number: 91.132.146.246.

cdn21.de at least partially shares name servers with other domains, for instance xtux.org, dom-led.com, adil-triqui.de, charterflug.de and koenig.at.