concept4tec.de - robtex.com

concept4tec.de

DNSSEC⚠️ Not signed
A2a01:4f8:d0a:121c::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww249.your-server.de
A188.40.28.29🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
NSns1.your-server.de ⭐
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXwww249.your-server.de ⭐
A2a01:4f8:d0a:121c::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww249.your-server.de
A188.40.28.29🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
PTRwww249.your-server.de
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2026-01-15 #0

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=1775976711

Same first word

concept4tec.de

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.dens1.hans.hosteurope.dens2.hans.hosteurope.deMXwww249.your-server.demx0.concept4tec.deA188.40.28.292a01:4f8:d0a:121c::246.163.105.21546.163.119.22192.51.145.41
●NSns.second-ns.com2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-19 03:33:06
● 2026-04-09 22:23:42
● 2026-04-12 07:01:14
○NSns1.hans.hosteurope.de2015-07-23 → 2020-02-19 · 4 obs
● 2015-07-23 15:37:10
● 2020-02-19 03:33:06
○ 2026-04-09 22:23:42
○ 2026-04-12 07:01:14
●NSns1.your-server.de2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-19 03:33:06
● 2026-04-09 22:23:42
● 2026-04-12 07:01:14
○NSns2.hans.hosteurope.de2015-07-23 → 2020-02-19 · 4 obs
● 2015-07-23 15:37:10
● 2020-02-19 03:33:06
○ 2026-04-09 22:23:42
○ 2026-04-12 07:01:14
●NSns3.second-ns.de2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-19 03:33:06
● 2026-04-09 22:23:42
● 2026-04-12 07:01:14
○MXmx0.concept4tec.de2015-07-23 → 2020-02-19 · 4 obs
● 2015-07-23 15:37:10
● 2020-02-19 03:33:06
○ 2026-04-09 22:23:42
○ 2026-04-12 07:01:14
●MXwww249.your-server.de2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-19 03:33:06
● 2026-04-09 22:23:42
● 2026-04-12 07:01:14
●A188.40.28.292026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-19 03:33:06
● 2026-04-09 22:23:42
● 2026-04-12 07:01:14
●A2a01:4f8:d0a:121c::22026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-19 03:33:06
● 2026-04-09 22:23:42
● 2026-04-12 07:01:14
○A46.163.105.2152015-07-23 → 2015-11-20 · 4 obs
● 2015-07-23 15:37:10
● 2015-11-20 13:09:18
○ 2016-02-28 19:58:04
○ 2026-04-12 07:01:14
○A46.163.119.2212020-02-19 → 2020-02-19 · 4 obs
○ 2017-03-24 05:32:32
● 2020-02-19 03:33:06
○ 2026-04-09 22:23:42
○ 2026-04-12 07:01:14
○A92.51.145.412016-02-28 → 2017-03-24 · 5 obs
○ 2015-11-20 13:09:18
● 2016-02-28 19:58:04
● 2017-03-24 05:32:32
○ 2020-02-19 03:33:06
○ 2026-04-12 07:01:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
concept4tec.dens3.second-ns.de, ns1.your-server.de, ns.second-ns.com4 records

✅ Authoritative Response

Server:213.239.204.242

NS records: ns3.second-ns.de, ns1.your-server.de, ns.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concept4tec.de (unsigned zone)

⏱️ Timing

Total: 635ms | Queries: -

📄 Records

TypeCountSample Data
A1188.40.28.29
AAAA12a01:4f8:d0a:121c::2
NS3ns.second-ns.com, ns1.your-server.de...
MX1www249.your-server.de (pri: 10)
TXT1v=spf1 +a +mx ?all
SOA1ns1.your-server.de postmaster.your-serve

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

IP Addresses

concept4tec.de resolves to two IP numbers: 2a01:4f8:d0a:121c::2 and 188.40.28.29.

Other host names, for instance kamo.fi, mail.claudia-bayer.at, kaminfeuer.com, mail.patrickhagemann.de and livingunconventionally.com share IP numbers with concept4tec.de.

Name Servers

concept4tec.de is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

concept4tec.de partially shares name servers with other domains; examples include habitax.de, 8.8.2.1.c.1.c.1.8.f.4.0.1.0.a.2.ip6.arpa, felder-edv.at, dr-scheuermann.de and 25.109.65.in-addr.arpa.

These name servers are often used with the name servers ns.second-ns.de and ns12.your-server.de.

Host names with two IP numbers:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242.

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4.

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

Mail Servers

concept4tec.de is handled by a single mail server, www249.your-server.de.

concept4tec.de has the same mail server setup as other domains, including oyce.at, cbworld.de, fit-machbar.de, andremachowsky.com and combustion-equipment.com.

Host www249.your-server.de resolves to two IPs: 2a01:4f8:d0a:121c::2 and 188.40.28.29.