`openstack-schulung.com`

DNSSEC	⚠️ Not signed
A	2001:8d8:1000:90b6:d173:abab:e425:a037^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`kundenserver.de`
A	217.160.233.51^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1092.ui-dns.com` ⭐
		A	2001:8d8:fe:53:0:d9a0:525c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.com`
		A	217.160.82.92^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.com`
NS	`ns1092.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:515c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.biz`
		A	217.160.81.92^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.biz`
NS	`ns1092.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:92^{🇺🇸 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	`ns1092.ui-dns.de`
		A	217.160.80.92^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.de`
NS	`ns1092.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:535c:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1092.ui-dns.org`
		A	217.160.83.92^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1092.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	`ns1092.ui-dns.com`hostmaster@kundenserver.de 2016-06-17 #3

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777219056

Same first word

openstack-schulung.eu

openstack-schulung.com

openstack-schulung.org

openstack-schulung.info

DNS History

16 records (8 active, 8 former)

○NSns-de.1and1-dns.biz2015-05-09 → 2017-03-19 · 4 obs

● 2015-05-09 20:00:44
● 2017-03-19 14:01:34
○ 2020-01-16 05:30:22
○ 2026-04-26 15:58:18

○NSns-de.1and1-dns.com2015-05-09 → 2017-03-19 · 4 obs

● 2015-05-09 20:00:44
● 2017-03-19 14:01:34
○ 2020-01-16 05:30:22
○ 2026-04-26 15:58:18

○NSns-de.1and1-dns.de2015-05-09 → 2017-03-19 · 4 obs

● 2015-05-09 20:00:44
● 2017-03-19 14:01:34
○ 2020-01-16 05:30:22
○ 2026-04-26 15:58:18

○NSns-de.1and1-dns.org2015-05-09 → 2017-03-19 · 4 obs

● 2015-05-09 20:00:44
● 2017-03-19 14:01:34
○ 2020-01-16 05:30:22
○ 2026-04-26 15:58:18

●NSns1092.ui-dns.biz2020-01-16 → 2026-04-26 · 3 obs

○ 2017-03-19 14:01:34
● 2020-01-16 05:30:22
● 2026-04-26 15:58:18

●NSns1092.ui-dns.com2020-01-16 → 2026-04-26 · 3 obs

○ 2017-03-19 14:01:34
● 2020-01-16 05:30:22
● 2026-04-26 15:58:18

●NSns1092.ui-dns.de2020-01-16 → 2026-04-26 · 3 obs

○ 2017-03-19 14:01:34
● 2020-01-16 05:30:22
● 2026-04-26 15:58:18

●NSns1092.ui-dns.org2020-01-16 → 2026-04-26 · 3 obs

○ 2017-03-19 14:01:34
● 2020-01-16 05:30:22
● 2026-04-26 15:58:18

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

○ 2020-01-16 05:30:22
● 2026-03-07 12:16:40
● 2026-04-26 15:58:18

○MXmx00.kundenserver.de2015-05-09 → 2020-01-16 · 4 obs

● 2015-05-09 20:00:44
● 2020-01-16 05:30:22
○ 2026-03-07 12:16:40
○ 2026-04-26 15:58:18

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

○ 2020-01-16 05:30:22
● 2026-03-07 12:16:40
● 2026-04-26 15:58:18

○MXmx01.kundenserver.de2015-05-09 → 2020-01-16 · 4 obs

● 2015-05-09 20:00:44
● 2020-01-16 05:30:22
○ 2026-03-07 12:16:40
○ 2026-04-26 15:58:18

○A2001:8d8:1000:90b6:3a96:3e25:a1ba:28022015-05-09 → 2016-03-24 · 4 obs

● 2015-05-09 20:00:44
● 2016-03-24 11:26:48
○ 2016-07-16 00:01:56
○ 2026-04-26 15:58:18

●A2001:8d8:1000:90b6:d173:abab:e425:a0372016-07-16 → 2026-04-26 · 3 obs

○ 2016-03-24 11:26:48
● 2016-07-16 00:01:56
● 2026-04-26 15:58:18

○A212.227.32.1152015-05-09 → 2016-03-24 · 4 obs

● 2015-05-09 20:00:44
● 2016-03-24 11:26:48
○ 2016-07-16 00:01:56
○ 2026-04-26 15:58:18

●A217.160.233.512016-07-16 → 2026-04-26 · 3 obs

○ 2016-03-24 11:26:48
● 2016-07-16 00:01:56
● 2026-04-26 15:58:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...	-
openstack-schulung.com	ns1092.ui-dns.de, ns1092.ui-dns.biz, ns1092.ui-dns.org, ns1092.ui-dns.com	2 records

✅ Authoritative Response

Server:217.160.80.92

NS records: ns1092.ui-dns.de, ns1092.ui-dns.biz, ns1092.ui-dns.org, ns1092.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 807ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.233.51`
AAAA	1	`2001:8d8:1000:90b6:d173:abab:e425:a037`
NS	4	`ns1092.ui-dns.org, ns1092.ui-dns.com...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1092.ui-dns.com hostmaster.kundenserve`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1092.ui-dns.com, ns1092.ui-dns.com)

Analysis

IP Addresses

openstack-schulung.com resolves to two IPs: 2001:8d8:1000:90b6:d173:abab:e425:a037 and 217.160.233.51.

other host names for instance britsche.net, serabigold.org, fbconseils.com, duchesse-anne.co and crapo.de share IP numbers with openstack-schulung.com.

Name Servers

openstack-schulung.com is delegated to four name servers: ns1092.ui-dns.biz, ns1092.ui-dns.com, ns1092.ui-dns.de and ns1092.ui-dns.org.

openstack-schulung.com at least partially shares name servers with other domains, for instance defrancisco.eu, militaryworldradio.com, archisevilla.org, nachlassverwalter.de and xeuc.eu.

These name servers are commonly used with ns1044.ui-dns.org, ns1103.ui-dns.com, ns1103.ui-dns.de and ns1102.ui-dns.org.

Host names with two IP numbers:

Host name ns1092.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:515c:100 and 217.160.81.92.

Host name ns1092.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:525c:100 and 217.160.82.92.

Host name ns1092.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:92 and 217.160.80.92.

Host name ns1092.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:535c:100 and 217.160.83.92.

Mail Servers

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

openstack-schulung.com shares the same mail server setup as other domains, for instance mr-car.de, igst.de, huestegge.net, webpro-gmbh.de and calandco.com.

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.

openstack-schulung.com - robtex.com