cluster-zero.de - dns.ninja

`cluster-zero.de`

DNSSEC	⚠️ Not signed
A	217.160.0.2^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-2.elastic-ssl.ui-r.com`
NS	`ns1021.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:5215:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.com`
		A	217.160.82.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.com`
NS	`ns1021.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5115:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.biz`
		A	217.160.81.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.biz`
NS	`ns1021.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:21^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1021.ui-dns.de`
		A	185.132.32.21^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1021.ui-dns.de`
NS	`ns1021.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5315:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.org`
		A	217.160.83.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.org`
MX	`minas-morgul.cluster-zero.de` ⭐
		A	217.92.200.125^{🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider}
			PTR	`minas-morgul.cluster-zero.de`
MX	`mx00.kundenserver.de`⁽²⁰⁾
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.kundenserver.de`⁽²⁰⁾
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
SOA	`ns1021.ui-dns.com`hostmaster@1und1.de 2016-04-20 #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=1783842677

Subdomains

minas-morgul.cluster-zero.de

Same first word

cluster-zero.de

DNS History

12 records (8 active, 4 former)

●NSns1021.ui-dns.biz2026-02-16 → 2026-07-12 · 3 obs

○ 2017-04-06 10:23:34
● 2026-02-16 06:05:34
● 2026-07-12 08:28:50

●NSns1021.ui-dns.com2026-02-16 → 2026-07-12 · 3 obs

○ 2017-04-06 10:23:34
● 2026-02-16 06:05:34
● 2026-07-12 08:28:50

●NSns1021.ui-dns.de2026-02-16 → 2026-07-12 · 3 obs

○ 2017-04-06 10:23:34
● 2026-02-16 06:05:34
● 2026-07-12 08:28:50

●NSns1021.ui-dns.org2026-02-16 → 2026-07-12 · 3 obs

○ 2017-04-06 10:23:34
● 2026-02-16 06:05:34
● 2026-07-12 08:28:50

○NSns65.1und1.de2015-05-29 → 2017-04-06 · 4 obs

● 2015-05-29 15:31:50
● 2017-04-06 10:23:34
○ 2026-02-16 06:05:34
○ 2026-07-12 08:28:50

○NSns66.1und1.de2015-05-29 → 2017-04-06 · 4 obs

● 2015-05-29 15:31:50
● 2017-04-06 10:23:34
○ 2026-02-16 06:05:34
○ 2026-07-12 08:28:50

●MXminas-morgul.cluster-zero.de2015-05-29 → 2026-07-12 · 2 obs

● 2015-05-29 15:31:50
● 2026-07-12 08:28:50

●MXmx00.kundenserver.de2015-05-29 → 2026-07-12 · 2 obs

● 2015-05-29 15:31:50
● 2026-07-12 08:28:50

●MXmx01.kundenserver.de2015-05-29 → 2026-07-12 · 2 obs

● 2015-05-29 15:31:50
● 2026-07-12 08:28:50

●A217.160.0.22026-02-16 → 2026-07-12 · 3 obs

○ 2017-04-06 10:23:34
● 2026-02-16 06:05:34
● 2026-07-12 08:28:50

○A217.160.231.2082016-09-09 → 2017-04-06 · 5 obs

○ 2016-03-27 20:29:50
● 2016-09-09 04:25:36
● 2017-04-06 10:23:34
○ 2026-02-16 06:05:34
○ 2026-07-12 08:28:50

○A82.165.107.652015-05-29 → 2016-03-27 · 4 obs

● 2015-05-29 15:31:50
● 2016-03-27 20:29:50
○ 2016-09-09 04:25:36
○ 2026-07-12 08:28:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cluster-zero.de	ns1021.ui-dns.org, ns1021.ui-dns.de, ns1021.ui-dns.biz, ns1021.ui-dns.com	-

✅ Authoritative Response

Server:217.160.81.21

NS records: ns1021.ui-dns.org, ns1021.ui-dns.de, ns1021.ui-dns.biz, ns1021.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cluster-zero.de (unsigned zone)

⏱️ Timing

Total: 1607ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.2`
NS	4	`ns1021.ui-dns.biz, ns1021.ui-dns.org...`
MX	3	`mx00.kundenserver.de (pri: 20), minas-morgul.cluster-zero.de (pri: 10)...`
SOA	1	`ns1021.ui-dns.com hostmaster.1und1.de`

Analysis

Hierarchy

minas-morgul.cluster-zero.de is a subdomain of cluster-zero.de.

IP Addresses

cluster-zero.de has exactly one IP address — 217.160.0.2.

michael-welsch.de, dieterbartel.de, ingecert.com plus two other host names have IP numbers in common with cluster-zero.de.

Name Servers

Four name servers handle the delegation for cluster-zero.de: ns1021.ui-dns.biz, ns1021.ui-dns.com, ns1021.ui-dns.de and ns1021.ui-dns.org.

The name servers of cluster-zero.de overlap at least partially with those of other domains — among them myvideodream.com, emporio-sissi.de, litecco.de and two more.

These name servers commonly co-occur with the name servers ns1102.ui-dns.de, ns1052.ui-dns.de, ns1091.ui-dns.de and ns1112.ui-dns.org.

Each of the four hosts ns1021.ui-dns.biz, ns1021.ui-dns.com, ns1021.ui-dns.de and ns1021.ui-dns.org has two IP addresses. ns1021.ui-dns.biz points to 217.160.81.21 and 2001:8d8:fe:53:0:d9a0:5115:100. ns1021.ui-dns.com points to 217.160.82.21 and 2001:8d8:fe:53:0:d9a0:5215:100. ns1021.ui-dns.de points to 185.132.32.21 and 2607:f1c0:fe:53:185:132:32:21. ns1021.ui-dns.org points to 217.160.83.21 and 2001:8d8:fe:53:0:d9a0:5315:100.

Mail Servers

Mail for cluster-zero.de is routed through three mail servers — minas-morgul.cluster-zero.de, mx00.kundenserver.de and mx01.kundenserver.de.

At least some of the mail servers used by cluster-zero.de are shared with other domains: s337496496.online.de, blueox-music.de, ab-reisinger.de and two others among them.

Three hostnames, one IP address apiece: minas-morgul.cluster-zero.de resolves to 217.92.200.125, mx00.kundenserver.de resolves to 212.227.15.41 and mx01.kundenserver.de resolves to 217.72.192.67.