contzen.de - robtex.com

contzen.de

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::25c🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-025c.elastic-ssl.ui-r.com
A217.160.0.54🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1025.ui-dns.de ⭐
A2001:8d8:fe:53:0:d9a0:5019:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1025.ui-dns.de
A217.160.80.25🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1025.ui-dns.de
NSns1025.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5119:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1025.ui-dns.biz
A217.160.81.25🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1025.ui-dns.biz
NSns1025.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5219:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1025.ui-dns.com
A217.160.82.25🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1025.ui-dns.com
NSns1025.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5319:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1025.ui-dns.org
A217.160.83.25🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1025.ui-dns.org
MXmx00.ionos.de ⭐
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.de ⭐
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
SOAns1025.ui-dns.dehostmaster@schlund.de 2017-04-24 #9

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1774539849

Same first word

contzen.de

Similar names

centzon.co.uk
zonnect.com
conzent.com
tonezcn.com
connetz.de
netzcon.de
netconz.com
conzent.net
netzcon.com
contenz.com
zonnect.net

DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns1025.ui-dns.bizns1025.ui-dns.comns1025.ui-dns.dens1025.ui-dns.orgns.schlund.dens2.schlund.deMXmx00.ionos.demx01.ionos.demx00.schlund.demx01.schlund.deA2001:8d8:100f:f000::25c217.160.0.54217.160.231.10782.165.73.232
○NSns.schlund.de2015-07-19 → 2017-02-17 · 4 obs
● 2015-07-19 02:35:10
● 2017-02-17 10:28:18
○ 2026-02-27 03:32:12
○ 2026-03-26 16:04:46
●NSns1025.ui-dns.biz2026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
●NSns1025.ui-dns.com2026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
●NSns1025.ui-dns.de2026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
●NSns1025.ui-dns.org2026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
○NSns2.schlund.de2015-07-19 → 2017-02-17 · 4 obs
● 2015-07-19 02:35:10
● 2017-02-17 10:28:18
○ 2026-02-27 03:32:12
○ 2026-03-26 16:04:46
●MXmx00.ionos.de2026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
○MXmx00.schlund.de2015-07-19 → 2017-02-17 · 4 obs
● 2015-07-19 02:35:10
● 2017-02-17 10:28:18
○ 2026-02-27 03:32:12
○ 2026-03-26 16:04:46
●MXmx01.ionos.de2026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
○MXmx01.schlund.de2015-07-19 → 2017-02-17 · 4 obs
● 2015-07-19 02:35:10
● 2017-02-17 10:28:18
○ 2026-02-27 03:32:12
○ 2026-03-26 16:04:46
●A2001:8d8:100f:f000::25c2026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
●A217.160.0.542026-02-27 → 2026-03-26 · 3 obs
○ 2017-02-17 10:28:18
● 2026-02-27 03:32:12
● 2026-03-26 16:04:46
○A217.160.231.1072016-05-04 → 2017-02-17 · 5 obs
○ 2016-02-24 13:26:36
● 2016-05-04 06:15:56
● 2017-02-17 10:28:18
○ 2026-02-27 03:32:12
○ 2026-03-26 16:04:46
○A82.165.73.2322015-07-19 → 2016-02-24 · 4 obs
● 2015-07-19 02:35:10
● 2016-02-24 13:26:36
○ 2016-05-04 06:15:56
○ 2026-03-26 16:04:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
contzen.dens1025.ui-dns.biz, ns1025.ui-dns.org, ns1025.ui-dns.de, ns1025.ui-dns.com-

✅ Authoritative Response

Server:217.160.81.25

NS records: ns1025.ui-dns.biz, ns1025.ui-dns.org, ns1025.ui-dns.de, ns1025.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contzen.de (unsigned zone)

⏱️ Timing

Total: 2798ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.54
AAAA12001:8d8:100f:f000::25c
NS4ns1025.ui-dns.org, ns1025.ui-dns.de...
MX2mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1025.ui-dns.de hostmaster.schlund.de

Analysis

IP Addresses

contzen.de points to two IP numbers: 2001:8d8:100f:f000::25c and 217.160.0.54.

Other host names such as sumatea.es, www.geovit.de, kiro-media.de, rfglobalsolutions.com and deppe-gmbh.de share IP numbers with contzen.de.

Name Servers

contzen.de is delegated to four name servers: ns1025.ui-dns.biz, ns1025.ui-dns.com, ns1025.ui-dns.de and ns1025.ui-dns.org.

At least part of the name servers for contzen.de are shared with other domains, for instance schellwien.com, kenwyatt.co.uk, delrayknee.com, aceplaces411.com and natvit.fr.

These name servers are commonly used alongside ns1050.ui-dns.biz, ns1099.ui-dns.org, ns1097.ui-dns.com, ns1042.ui-dns.org, ns1058.ui-dns.biz, ns1058.ui-dns.de, ns1109.ui-dns.com, ns1029.ui-dns.de and ns1070.ui-dns.de.

Host names with two IP numbers:

ns1025.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5119:100 and 217.160.81.25

ns1025.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5219:100 and 217.160.82.25

ns1025.ui-dns.de points to: 2001:8d8:fe:53:0:d9a0:5019:100 and 217.160.80.25

ns1025.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5319:100 and 217.160.83.25

Mail Servers

contzen.de is handled by two mail servers: mx00.ionos.de and mx01.ionos.de.

contzen.de uses the same mail server setup as other domains, for instance www.ondeso.com, clou-group.de, 24-pro.com, haeusl.de and guetler.org.

Some mail servers are shared between contzen.de and other domains, for instance weiss-in-au.de.

Hostnames with a single IP

mx00.ionos.de resolves to: 212.227.15.41.

mx01.ionos.de resolves to: 217.72.192.67.