concept4s.com - robtex.com

concept4s.com

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::269🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0269.elastic-ssl.ui-r.com
A217.160.0.250🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1124.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:537c:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1124.ui-dns.org
A217.160.83.124🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1124.ui-dns.org
NSns1017.ui-dns.de
A2001:8d8:fe:53:0:d9a0:5011:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1017.ui-dns.de
A217.160.80.17🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1017.ui-dns.de
NSns1034.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5122:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1034.ui-dns.biz
A217.160.81.34🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1034.ui-dns.biz
NSns1125.ui-dns.com
A2001:8d8:fe:53:0:d9a0:527d:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1125.ui-dns.com
A217.160.82.125🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1125.ui-dns.com
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
SOAns1124.ui-dns.orghostmaster@1and1.com 2018-01-22 #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=1774556957

Same first word

concept4s.com

Similar names

4concepts.at
4concepts.com
4concepts.pl
4concepts.eu

DNS History

16 records (8 active, 8 former)

201820192020202120222023202420252026NSns1017.ui-dns.dens1034.ui-dns.bizns1124.ui-dns.orgns1125.ui-dns.comns1016.ui-dns.bizns1036.ui-dns.dens1101.ui-dns.orgns1115.ui-dns.comMXmx00.ionos.demx01.ionos.demx00.kundenserver.demx01.kundenserver.deA2001:8d8:100f:f000::269217.160.0.2502001:8d8:100f:f000::272217.160.0.147
○NSns1016.ui-dns.biz2017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
●NSns1017.ui-dns.de2026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24
●NSns1034.ui-dns.biz2026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24
○NSns1036.ui-dns.de2017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
○NSns1101.ui-dns.org2017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
○NSns1115.ui-dns.com2017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
●NSns1124.ui-dns.org2026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24
●NSns1125.ui-dns.com2026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24
●MXmx00.ionos.de2026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24
○MXmx00.kundenserver.de2017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
●MXmx01.ionos.de2026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24
○MXmx01.kundenserver.de2017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
●A2001:8d8:100f:f000::2692026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24
○A2001:8d8:100f:f000::2722017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
○A217.160.0.1472017-12-18 → 2017-12-18 · 3 obs
● 2017-12-18 16:08:28
○ 2026-02-22 10:15:28
○ 2026-03-26 20:34:24
●A217.160.0.2502026-02-22 → 2026-03-26 · 3 obs
○ 2017-12-18 16:08:28
● 2026-02-22 10:15:28
● 2026-03-26 20:34:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
concept4s.comns1017.ui-dns.de, ns1034.ui-dns.biz, ns1124.ui-dns.org, ns1125.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.80.17

NS records: ns1017.ui-dns.de, ns1034.ui-dns.biz, ns1124.ui-dns.org, ns1125.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concept4s.com (unsigned zone)

⏱️ Timing

Total: 390ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.250
AAAA12001:8d8:100f:f000::269
NS4ns1017.ui-dns.de, ns1034.ui-dns.biz...
MX2mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1124.ui-dns.org hostmaster.1and1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1125.ui-dns.com, ns1125.ui-dns.com)

Analysis

IP Addresses

concept4s.com points to two IPs: 2001:8d8:100f:f000::269 and 217.160.0.250.

Other host names, for instance erac.fr, profi-badshop.ch, demokratie.academy, koperniko.de and baluartepatrimonio.com share IP numbers with concept4s.com.

Name Servers

concept4s.com is delegated to four name servers: ns1034.ui-dns.biz, ns1125.ui-dns.com, ns1017.ui-dns.de and ns1124.ui-dns.org.

concept4s.com at least partially shares name servers with other domains such as praxis-beethovenplatz.de, ls-i.de, ramoma.com, world-of-trains.com and mrcarpet.com.

These name servers are often used together with ns1034.ui-dns.org, ns1125.ui-dns.biz, ns1034.ui-dns.com, ns1125.ui-dns.de, ns1125.ui-dns.org, ns1017.ui-dns.biz, ns1034.ui-dns.de, ns1017.ui-dns.com, ns1017.ui-dns.org and ns1124.ui-dns.com.

Host names with two IP numbers:

ns1034.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5122:100 and 217.160.81.34

ns1125.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:527d:100 and 217.160.82.125

ns1017.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5011:100 and 217.160.80.17

ns1124.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:537c:100 and 217.160.83.124

Mail Servers

Two mail servers handle concept4s.com: mx00.ionos.de and mx01.ionos.de.

concept4s.com shares the same mail server setup as other domains, including steuerberater-mussmann-schade.de, boelter-optik.de, kraftstoff-dortmund.de, europetax.eu and jaloucity-filialen.de.

Host names with a single IP address:

mx00.ionos.de points to 212.227.15.41

mx01.ionos.de points to 217.72.192.67