`openstack-schulung.eu`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.165^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1121.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5379:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.org`
		A	217.160.83.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.org`
NS	`ns1121.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5179:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.biz`
		A	217.160.81.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.biz`
NS	`ns1121.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5279:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
		A	217.160.82.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.com`
NS	`ns1121.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:121^{🇺🇸 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	`ns1121.ui-dns.de`
		A	217.160.80.121^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1121.ui-dns.de`
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	`ns1121.ui-dns.org`hostmaster@kundenserver.de 2016-06-17 #5

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1123641620

Same first word

openstack-schulung.eu

openstack-schulung.com

openstack-schulung.org

openstack-schulung.info

DNS History

18 records (8 active, 10 former)

○NSns-de.1and1-dns.biz2015-07-04 → 2017-04-07 · 4 obs

● 2015-07-04 17:24:36
● 2017-04-07 10:26:36
○ 2026-03-07 12:16:42
○ 2026-04-26 20:14:44

○NSns-de.1and1-dns.com2015-07-04 → 2017-04-07 · 4 obs

● 2015-07-04 17:24:36
● 2017-04-07 10:26:36
○ 2026-03-07 12:16:42
○ 2026-04-26 20:14:44

○NSns-de.1and1-dns.de2015-07-04 → 2017-04-07 · 4 obs

● 2015-07-04 17:24:36
● 2017-04-07 10:26:36
○ 2026-03-07 12:16:42
○ 2026-04-26 20:14:44

○NSns-de.1and1-dns.org2015-07-04 → 2017-04-07 · 4 obs

● 2015-07-04 17:24:36
● 2017-04-07 10:26:36
○ 2026-03-07 12:16:42
○ 2026-04-26 20:14:44

●NSns1121.ui-dns.biz2026-03-07 → 2026-04-26 · 3 obs

○ 2017-04-07 10:26:36
● 2026-03-07 12:16:42
● 2026-04-26 20:14:44

●NSns1121.ui-dns.com2026-03-07 → 2026-04-26 · 3 obs

○ 2017-04-07 10:26:36
● 2026-03-07 12:16:42
● 2026-04-26 20:14:44

●NSns1121.ui-dns.de2026-03-07 → 2026-04-26 · 3 obs

○ 2017-04-07 10:26:36
● 2026-03-07 12:16:42
● 2026-04-26 20:14:44

●NSns1121.ui-dns.org2026-03-07 → 2026-04-26 · 3 obs

○ 2017-04-07 10:26:36
● 2026-03-07 12:16:42
● 2026-04-26 20:14:44

●MXmx00.ionos.de2026-03-07 → 2026-04-26 · 3 obs

○ 2017-04-07 10:26:36
● 2026-03-07 12:16:42
● 2026-04-26 20:14:44

○MXmx00.kundenserver.de2015-07-04 → 2017-04-07 · 4 obs

● 2015-07-04 17:24:36
● 2017-04-07 10:26:36
○ 2026-03-07 12:16:42
○ 2026-04-26 20:14:44

●MXmx01.ionos.de2026-03-07 → 2026-04-26 · 3 obs

○ 2017-04-07 10:26:36
● 2026-03-07 12:16:42
● 2026-04-26 20:14:44

○MXmx01.kundenserver.de2015-07-04 → 2017-04-07 · 4 obs

● 2015-07-04 17:24:36
● 2017-04-07 10:26:36
○ 2026-03-07 12:16:42
○ 2026-04-26 20:14:44

○A2001:8d8:1000:90b6:3a96:3e25:a1ba:28022015-07-04 → 2016-04-08 · 4 obs

● 2015-07-04 17:24:36
● 2016-04-08 07:56:54
○ 2016-09-15 21:02:18
○ 2026-04-26 20:14:44

○A2001:8d8:1000:90b6:d173:abab:e425:a0372016-09-15 → 2026-03-07 · 5 obs

○ 2016-04-08 07:56:54
● 2016-09-15 21:02:18
● 2026-03-07 12:16:42
○ 2026-03-25 09:45:24
○ 2026-04-26 20:14:44

●A2001:8d8:100f:f000::2002026-03-25 → 2026-04-26 · 3 obs

○ 2026-03-07 12:16:42
● 2026-03-25 09:45:24
● 2026-04-26 20:14:44

○A212.227.32.1152015-07-04 → 2016-04-08 · 4 obs

● 2015-07-04 17:24:36
● 2016-04-08 07:56:54
○ 2016-09-15 21:02:18
○ 2026-04-26 20:14:44

●A217.160.0.1652026-03-25 → 2026-04-26 · 3 obs

○ 2026-03-07 12:16:42
● 2026-03-25 09:45:24
● 2026-04-26 20:14:44

○A217.160.233.512016-09-15 → 2026-03-07 · 5 obs

○ 2016-04-08 07:56:54
● 2016-09-15 21:02:18
● 2026-03-07 12:16:42
○ 2026-03-25 09:45:24
○ 2026-04-26 20:14:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
openstack-schulung.eu	ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.org	-

✅ Authoritative Response

Server:217.160.82.121

NS records: ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstack-schulung.eu (unsigned zone)

⏱️ Timing

Total: 791ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.165`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1121.ui-dns.biz, ns1121.ui-dns.de...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1121.ui-dns.org hostmaster.kundenserve`

Analysis

IP Addresses

openstack-schulung.eu points to two IPs: 2001:8d8:100f:f000::200 and 217.160.0.165.

Other host names including simsesam.de, selnar.com, martin-luther-king-berlin.de, lackiererei-fahrzeugaufbereitung-jurisch-cottbus.de and augenrin.de share IP numbers with openstack-schulung.eu.

Name Servers

openstack-schulung.eu is delegated to four name servers: ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.de and ns1121.ui-dns.org.

openstack-schulung.eu at least partially shares name servers with other domains, including pensionaufcarlsfelde.de, griffinsystems.com, t-ech.net, i-ac.co.uk and relo-automotive.de.

These name servers are commonly used with the name servers ns1081.ui-dns.bizns1081.ui-dns.comns1057.ui-dns.orgns1079.ui-dns.bizns1020.ui-dns.de and ns1064.ui-dns.com.

Hosts with two IP numbers:

Host ns1121.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5179:100 and 217.160.81.121

Host ns1121.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5279:100 and 217.160.82.121

Host ns1121.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:121 and 217.160.80.121

Host ns1121.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5379:100 and 217.160.83.121

Mail Servers

openstack-schulung.eu is handled by two mail servers: mx00.ionos.de and mx01.ionos.de.

openstack-schulung.eu shares its mail server setup with other domains, including hpsdesign.de, hciss.de, frank-twin.de, jobmost.at and dr-heinrich-suechting.de.

Host names with a single IP:

mx00.ionos.de points to 212.227.15.41.

mx01.ionos.de points to 217.72.192.67.

openstack-schulung.eu - robtex.com