complexsystems.de - dns.ninja

`complexsystems.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::282^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0282.elastic-ssl.ui-r.com`
A	217.160.0.221^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1052.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:5134:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1052.ui-dns.biz`
		A	217.160.81.52^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1052.ui-dns.biz`
NS	`ns1052.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5234:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1052.ui-dns.com`
		A	217.160.82.52^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1052.ui-dns.com`
NS	`ns1052.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5034:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1052.ui-dns.de`
		A	217.160.80.52^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1052.ui-dns.de`
NS	`ns1052.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5334:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1052.ui-dns.org`
		A	217.160.83.52^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1052.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	`ns1052.ui-dns.biz`hostmaster@kundenserver.de 2016-12-31 #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=1781951372

Same first word

complexsystems.com

complexsystems.de

complexsystems.fail

complexsystems.net.au

complexsystems.ru

DNS History

31 records (8 active, 23 former)

○NSns-de.1and1-dns.biz2017-03-13 → 2017-03-13 · 4 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
○ 2020-03-26 23:48:44
○ 2026-06-20 11:06:54

○NSns-de.1and1-dns.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
○ 2020-03-26 23:48:44
○ 2026-06-20 11:06:54

○NSns-de.1and1-dns.de2017-03-13 → 2017-03-13 · 4 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
○ 2020-03-26 23:48:44
○ 2026-06-20 11:06:54

○NSns-de.1and1-dns.org2017-03-13 → 2017-03-13 · 4 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
○ 2020-03-26 23:48:44
○ 2026-06-20 11:06:54

○NSns1.routing.net2015-11-10 → 2016-05-04 · 5 obs

○ 2015-06-27 10:54:40
● 2015-11-10 09:43:12
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○NSns1.webhostunited.eu2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 10:54:40
○ 2015-11-10 09:43:12
○ 2026-06-20 11:06:54

●NSns1052.ui-dns.biz2020-03-26 → 2026-06-20 · 3 obs

○ 2017-03-13 21:46:38
● 2020-03-26 23:48:44
● 2026-06-20 11:06:54

●NSns1052.ui-dns.com2020-03-26 → 2026-06-20 · 3 obs

○ 2017-03-13 21:46:38
● 2020-03-26 23:48:44
● 2026-06-20 11:06:54

●NSns1052.ui-dns.de2020-03-26 → 2026-06-20 · 3 obs

○ 2017-03-13 21:46:38
● 2020-03-26 23:48:44
● 2026-06-20 11:06:54

●NSns1052.ui-dns.org2020-03-26 → 2026-06-20 · 3 obs

○ 2017-03-13 21:46:38
● 2020-03-26 23:48:44
● 2026-06-20 11:06:54

○NSns2.routing.net2015-11-10 → 2016-05-04 · 5 obs

○ 2015-06-27 10:54:40
● 2015-11-10 09:43:12
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○NSns2.webhostunited.eu2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 10:54:40
○ 2015-11-10 09:43:12
○ 2026-06-20 11:06:54

○NSns3.routing.net2015-11-10 → 2016-05-04 · 5 obs

○ 2015-06-27 10:54:40
● 2015-11-10 09:43:12
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○NSns3.webhostunited.eu2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 10:54:40
○ 2015-11-10 09:43:12
○ 2026-06-20 11:06:54

○NSns4.webhostunited.eu2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 10:54:40
○ 2015-11-10 09:43:12
○ 2026-06-20 11:06:54

○MXalt1.aspmx.l.google.com2015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○MXalt2.aspmx.l.google.com2015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○MXaspmx.l.google.com2015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○MXaspmx2.googlemail.com2015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○MXaspmx3.googlemail.com2015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○MXaspmx4.googlemail.com2015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

○MXaspmx5.googlemail.com2015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

●MXmx00.ionos.de2026-03-11 → 2026-06-20 · 3 obs

○ 2020-03-26 23:48:44
● 2026-03-11 19:50:28
● 2026-06-20 11:06:54

○MXmx00.kundenserver.de2017-03-13 → 2020-03-26 · 5 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
● 2020-03-26 23:48:44
○ 2026-03-11 19:50:28
○ 2026-06-20 11:06:54

●MXmx01.ionos.de2026-03-11 → 2026-06-20 · 3 obs

○ 2020-03-26 23:48:44
● 2026-03-11 19:50:28
● 2026-06-20 11:06:54

○MXmx01.kundenserver.de2017-03-13 → 2020-03-26 · 5 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
● 2020-03-26 23:48:44
○ 2026-03-11 19:50:28
○ 2026-06-20 11:06:54

○A2001:8d8:1000:305d:c832:e530:bf42:c0732017-03-13 → 2020-03-26 · 5 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
● 2020-03-26 23:48:44
○ 2026-03-11 19:50:28
○ 2026-06-20 11:06:54

●A2001:8d8:100f:f000::2822026-03-11 → 2026-06-20 · 3 obs

○ 2020-03-26 23:48:44
● 2026-03-11 19:50:28
● 2026-06-20 11:06:54

●A217.160.0.2212026-03-11 → 2026-06-20 · 3 obs

○ 2020-03-26 23:48:44
● 2026-03-11 19:50:28
● 2026-06-20 11:06:54

○A217.160.231.1702017-03-13 → 2020-03-26 · 5 obs

○ 2016-05-04 03:31:16
● 2017-03-13 21:46:38
● 2020-03-26 23:48:44
○ 2026-03-11 19:50:28
○ 2026-06-20 11:06:54

○A62.112.144.2242015-06-27 → 2016-05-04 · 4 obs

● 2015-06-27 10:54:40
● 2016-05-04 03:31:16
○ 2017-03-13 21:46:38
○ 2026-06-20 11:06:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
complexsystems.de	ns1052.ui-dns.de, ns1052.ui-dns.com, ns1052.ui-dns.biz, ns1052.ui-dns.org	-

✅ Authoritative Response

Server:217.160.80.52

NS records: ns1052.ui-dns.de, ns1052.ui-dns.com, ns1052.ui-dns.biz, ns1052.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for complexsystems.de (unsigned zone)

⏱️ Timing

Total: 829ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.221`
AAAA	1	`2001:8d8:100f:f000::282`
NS	4	`ns1052.ui-dns.de, ns1052.ui-dns.biz...`
MX	2	`mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1052.ui-dns.biz hostmaster.kundenserve`

Analysis

IP Addresses

complexsystems.de points to the IP addresses 217.160.0.221 and 2001:8d8:100f:f000::282

freefrom.com, mitsegelreisen.com, kraeter.eu plus two other host names have IP numbers in common with complexsystems.de.

Name Servers

Four name servers handle the delegation for complexsystems.de: ns1052.ui-dns.biz, ns1052.ui-dns.com, ns1052.ui-dns.de and ns1052.ui-dns.org.

There is at least partial name server overlap between complexsystems.de and other domains — andreas-o.de, dogandme.de, werteunion.bayern and two more among them.

These name servers frequently co-occur with the name servers ns1017.ui-dns.de and ns1034.ui-dns.org.

All four hostnames — ns1052.ui-dns.biz, ns1052.ui-dns.com, ns1052.ui-dns.de and ns1052.ui-dns.org — resolve to two IP numbers apiece: ns1052.ui-dns.biz to 217.160.81.52 and 2001:8d8:fe:53:0:d9a0:5134:100; ns1052.ui-dns.com to 217.160.82.52 and 2001:8d8:fe:53:0:d9a0:5234:100; ns1052.ui-dns.de to 217.160.80.52 and 2001:8d8:fe:53:0:d9a0:5034:100; ns1052.ui-dns.org to 217.160.83.52 and 2001:8d8:fe:53:0:d9a0:5334:100.

Mail Servers

complexsystems.de uses two mail servers, mx00.ionos.de and mx01.ionos.de.

The mail server setup of complexsystems.de matches that of other domains such as boellinger.com, spyc.info, bandpack.net and two others.

mx00.ionos.de → 212.227.15.41 and mx01.ionos.de → 217.72.192.67: one IP number per host name.