`concept-u-design.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::216^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0216.elastic-ssl.ui-r.com`
A	217.160.0.15^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1124.ui-dns.de` ⭐
		A	2607:f1c0:fe:53:185:132:32:124^{🇺🇸 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	`ns1124.ui-dns.de`
		A	217.160.80.124^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1124.ui-dns.de`
NS	`ns1023.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5217:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.com`
		A	217.160.82.23^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1023.ui-dns.com`
NS	`ns1028.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:511c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1028.ui-dns.biz`
		A	217.160.81.28^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1028.ui-dns.biz`
NS	`ns1075.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:534b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.org`
		A	217.160.83.75^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1075.ui-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1124.ui-dns.de`hostmaster@1und1.com 2017-06-01 #7

`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=1775385681

Same first word

concept-u-design.de

DNS History

14 records (8 active, 6 former)

●NSns1023.ui-dns.com2026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

●NSns1028.ui-dns.biz2026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

●NSns1075.ui-dns.org2026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

●NSns1124.ui-dns.de2026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

○NSns65.1und1.de2015-08-04 → 2017-04-10 · 4 obs

● 2015-08-04 10:04:02
● 2017-04-10 00:51:42
○ 2026-04-05 11:06:32
○ 2026-04-05 11:06:36

○NSns66.1und1.de2015-08-04 → 2017-04-10 · 4 obs

● 2015-08-04 10:04:02
● 2017-04-10 00:51:42
○ 2026-04-05 11:06:32
○ 2026-04-05 11:06:36

●MXmx00.ionos.de2026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

○MXmx00.kundenserver.de2015-08-04 → 2017-04-10 · 4 obs

● 2015-08-04 10:04:02
● 2017-04-10 00:51:42
○ 2026-04-05 11:06:32
○ 2026-04-05 11:06:36

●MXmx01.ionos.de2026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

○MXmx01.kundenserver.de2015-08-04 → 2017-04-10 · 4 obs

● 2015-08-04 10:04:02
● 2017-04-10 00:51:42
○ 2026-04-05 11:06:32
○ 2026-04-05 11:06:36

●A2001:8d8:100f:f000::2162026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

●A217.160.0.152026-04-05 → 2026-04-05 · 3 obs

○ 2017-04-10 00:51:42
● 2026-04-05 11:06:32
● 2026-04-05 11:06:36

○A217.160.223.12016-09-09 → 2017-04-10 · 5 obs

○ 2016-04-05 03:06:42
● 2016-09-09 17:15:38
● 2017-04-10 00:51:42
○ 2026-04-05 11:06:32
○ 2026-04-05 11:06:36

○A82.165.115.2542015-08-04 → 2016-04-05 · 4 obs

● 2015-08-04 10:04:02
● 2016-04-05 03:06:42
○ 2016-09-09 17:15:38
○ 2026-04-05 11:06:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
concept-u-design.de	ns1023.ui-dns.com, ns1028.ui-dns.biz, ns1075.ui-dns.org, ns1124.ui-dns.de	-

✅ Authoritative Response

Server:217.160.80.124

NS records: ns1023.ui-dns.com, ns1028.ui-dns.biz, ns1075.ui-dns.org, ns1124.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concept-u-design.de (unsigned zone)

⏱️ Timing

Total: 4462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.15`
AAAA	1	`2001:8d8:100f:f000::216`
NS	4	`ns1028.ui-dns.biz, ns1075.ui-dns.org...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1124.ui-dns.de hostmaster.1und1.com`

Analysis

IP Addresses

concept-u-design.de resolves to two IPs: 2001:8d8:100f:f000::216 and 217.160.0.15.

other host names for instance antoga.com, andresnet.com, gastropraxis-os.de, datteln.com and kind-tec.net share IP numbers with concept-u-design.de.

Name Servers

concept-u-design.de is delegated to four name servers: ns1028.ui-dns.biz, ns1023.ui-dns.com, ns1124.ui-dns.de and ns1075.ui-dns.org.

concept-u-design.de at least partially shares name servers with other domains, for instance fernandez-elp.com, xlwrap.com, worldtravelauthors.com, prodomo-ag.ch and fc-forst.de.

These name servers are often used together with the name servers ns1124.ui-dns.com, ns1124.ui-dns.biz, ns1124.ui-dns.org, ns1028.ui-dns.org, ns1028.ui-dns.com, ns1028.ui-dns.de, ns1023.ui-dns.org, ns1023.ui-dns.biz, ns1023.ui-dns.de and ns1075.ui-dns.com.

Host names with two IP numbers:

Host name ns1028.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:511c:100 and 217.160.81.28.

Host name ns1023.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5217:100 and 217.160.82.23.

Host name ns1124.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:124 and 217.160.80.124.

Host name ns1075.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:534b:100 and 217.160.83.75.

Mail Servers

concept-u-design.de is handled by two mail servers: mx00.ionos.de and mx01.ionos.de.

concept-u-design.de shares the same mail server setup as other domains, for instance hecarez.com, sabo-elektronik.net, zihla.de, bockteam.eu and saaraerotechnik.net.

Host names with one IP number:

The host mx00.ionos.de points to 212.227.15.41 and the host mx01.ionos.de points to 217.72.192.67.

concept-u-design.de - robtex.com