kat-zen.com - robtex.com

kat-zen.com

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.191🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1028.ui-dns.com ⭐
A2001:8d8:fe:53:0:d9a0:521c:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1028.ui-dns.com
A217.160.82.28🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1028.ui-dns.com
NSns1042.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:512a:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1042.ui-dns.biz
A217.160.81.42🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1042.ui-dns.biz
NSns1073.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5349:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1073.ui-dns.org
A217.160.83.73🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1073.ui-dns.org
NSns1123.ui-dns.de
A2607:f1c0:fe:53:185:132:32:123🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1123.ui-dns.de
A217.160.80.123🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1123.ui-dns.de
MXmx00.ionos.co.uk ⭐
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.co.uk ⭐
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
SOAns1028.ui-dns.comhostmaster@1und1.com 2017-06-01 #7

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778601516

Same first word

kat-zen.com
kat-zen.de

Similar names

zen-kat.com
zak-net.de
ez-tank.com
ak-zent.com
kaz-net.co.jp
anz-tek.com
kaz-net.kz

DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns1028.ui-dns.comns1042.ui-dns.bizns1073.ui-dns.orgns1123.ui-dns.dens1.incowebhost.dens2.incowebhost.dens3.incowebhost.dens4.incowebhost.deMXmx00.ionos.co.ukmx01.ionos.co.ukmail.kat-zen.comA2001:8d8:100f:f000::200217.160.0.19191.184.35.130
○NSns1.incowebhost.de2015-07-04 → 2017-03-21 · 4 obs
● 2015-07-04 00:17:22
● 2017-03-21 23:11:58
○ 2026-04-17 15:59:12
○ 2026-05-12 16:18:28
●NSns1028.ui-dns.com2026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
●NSns1042.ui-dns.biz2026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
●NSns1073.ui-dns.org2026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
●NSns1123.ui-dns.de2026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
○NSns2.incowebhost.de2015-07-04 → 2017-03-21 · 4 obs
● 2015-07-04 00:17:22
● 2017-03-21 23:11:58
○ 2026-04-17 15:59:12
○ 2026-05-12 16:18:28
○NSns3.incowebhost.de2015-07-04 → 2017-03-21 · 4 obs
● 2015-07-04 00:17:22
● 2017-03-21 23:11:58
○ 2026-04-17 15:59:12
○ 2026-05-12 16:18:28
○NSns4.incowebhost.de2015-07-04 → 2017-03-21 · 4 obs
● 2015-07-04 00:17:22
● 2017-03-21 23:11:58
○ 2026-04-17 15:59:12
○ 2026-05-12 16:18:28
○MXmail.kat-zen.com2015-07-04 → 2017-03-21 · 4 obs
● 2015-07-04 00:17:22
● 2017-03-21 23:11:58
○ 2026-04-17 15:59:12
○ 2026-05-12 16:18:28
●MXmx00.ionos.co.uk2026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
●MXmx01.ionos.co.uk2026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
●A2001:8d8:100f:f000::2002026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
●A217.160.0.1912026-04-17 → 2026-05-12 · 3 obs
○ 2017-03-21 23:11:58
● 2026-04-17 15:59:12
● 2026-05-12 16:18:28
○A91.184.35.1302015-07-04 → 2017-03-21 · 4 obs
● 2015-07-04 00:17:22
● 2017-03-21 23:11:58
○ 2026-04-17 15:59:12
○ 2026-05-12 16:18:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
kat-zen.comns1042.ui-dns.biz, ns1073.ui-dns.org, ns1123.ui-dns.de, ns1028.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.82.28

NS records: ns1042.ui-dns.biz, ns1073.ui-dns.org, ns1123.ui-dns.de, ns1028.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kat-zen.com (unsigned zone)

⏱️ Timing

Total: 931ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.191
AAAA12001:8d8:100f:f000::200
NS4ns1042.ui-dns.biz, ns1123.ui-dns.de...
MX2mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1028.ui-dns.com hostmaster.1und1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1028.ui-dns.com, ns1028.ui-dns.com)

Analysis

IP Addresses

kat-zen.com points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.191.

Other host names, for instance clickertraining.de, ko-on.de, kuert.de, belvivre.com and a4printers.es share IP numbers with kat-zen.com.

Name Servers

kat-zen.com is delegated to four name servers: ns1042.ui-dns.biz, ns1028.ui-dns.com, ns1123.ui-dns.de and ns1073.ui-dns.org.

kat-zen.com at least partially shares its name servers with other domains, for instance diariodemarratxi.com, entremontrealais.com, buesche.com, jimpenfield.com and mencos.org.

These name servers are commonly used with ns1123.ui-dns.biz, ns1123.ui-dns.com, ns1123.ui-dns.org, ns1073.ui-dns.com, ns1073.ui-dns.de, ns1073.ui-dns.biz, ns1028.ui-dns.biz, ns1028.ui-dns.de, ns1028.ui-dns.org and ns1042.ui-dns.com.

Host names with two IPs: ns1042.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:512a:100 and 217.160.81.42; ns1028.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:521c:100 and 217.160.82.28; ns1123.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:123 and 217.160.80.123; ns1073.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5349:100 and 217.160.83.73.

Mail Servers

Two mail servers mx00.ionos.co.uk and mx01.ionos.co.uk handle kat-zen.com.

kat-zen.com uses the same mail server setup as other domains such as a5hydraulics.com, monitotech.com, dolphindive.co.uk, verdegem.co.uk and kevsertabak.com.

Host names with a single IP:

mx00.ionos.co.uk resolves to 212.227.15.41.

mx01.ionos.co.uk resolves to 217.72.192.67.