02303.de - robtex.com

02303.de

DNSSEC⚠️ Not signed
A81.20.137.41🇩🇪 SURFPLANET-AS81.20.128.0/20 Surfplanet GmbH PA-Block
NSns1.nstool.de ⭐
A45.141.180.40🇩🇪 RaSiCom45.141.180.0/22 Route via AS213211
PTRns1.nstool.de
NSns2.nstool.de
A194.187.140.66🇩🇪 WS24-AS194.187.140.0/22 Part of AS58211 IP Network
PTR66.140.187.194.ip.2-host.de
NSns3.nstool.de
A188.138.6.103🇫🇷 VELIANET-AS188.138.0.0/21
PTRns3.nstool.de
MXmx.telenoise.de ⭐
A2a02:f98:0:24:215:5dff:fede:6347🇩🇪 SURFPLANET-AS2a02:f98::/32 Surfplanet GmbH PA-Block
PTRmx10.telenoise.de
A2a02:f98:0:24:215:5dff:fede:6349🇩🇪 SURFPLANET-AS2a02:f98::/32 Surfplanet GmbH PA-Block
PTRmx20.telenoise.de
A2a02:f98:0:24:215:5dff:fede:634b🇩🇪 SURFPLANET-AS2a02:f98::/32 Surfplanet GmbH PA-Block
PTRmx30.telenoise.de
A81.20.138.151🇩🇪 SURFPLANET-AS81.20.128.0/20 Surfplanet GmbH PA-Block
PTRmx10.telenoise.de
A81.20.138.152🇩🇪 SURFPLANET-AS81.20.128.0/20 Surfplanet GmbH PA-Block
PTRmx20.telenoise.de
A81.20.138.153🇩🇪 SURFPLANET-AS81.20.128.0/20 Surfplanet GmbH PA-Block
PTRmx30.telenoise.de
TXTv=spf1 a mx ptr ip4:81.20.138.151 ip4:81.20.138.152 ip4:81.20.138.153 ip4:81....
SOAns1.nstool.dehostmaster@02303.de 2025-11-26 #5

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=1771291602

Same first word

02303.net
02303.com

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DNS History

18 records (5 active, 13 former)

20162017201820192020202120222023202420252026NSns1.nstool.dens2.nstool.dens3.nstool.dens1.internetwire.dens1.parkingcrew.netns2.internetwire.dens2.parkingcrew.netns3.internetwire.dens4.internetwire.depri.mordac.desec.mordac.deMXmx.telenoise.demail.02303.demail.h-email.netA81.20.137.41185.53.179.981.20.137.2895.130.17.36
○NSns1.internetwire.de2015-11-05 → 2016-12-02 · 5 obs
○ 2015-06-30 08:46:14
● 2015-11-05 06:49:46
● 2016-12-02 05:58:22
○ 2020-01-14 11:20:38
○ 2026-03-14 11:14:34
●NSns1.nstool.de2026-03-14 → 2026-03-14 · 3 obs
○ 2020-01-14 11:20:38
● 2026-03-14 11:14:30
● 2026-03-14 11:14:34
○NSns1.parkingcrew.net2015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 08:46:14
○ 2015-11-05 06:49:46
○ 2026-03-14 11:14:34
○NSns2.internetwire.de2015-11-05 → 2016-12-02 · 5 obs
○ 2015-06-30 08:46:14
● 2015-11-05 06:49:46
● 2016-12-02 05:58:22
○ 2020-01-14 11:20:38
○ 2026-03-14 11:14:34
●NSns2.nstool.de2026-03-14 → 2026-03-14 · 3 obs
○ 2020-01-14 11:20:38
● 2026-03-14 11:14:30
● 2026-03-14 11:14:34
○NSns2.parkingcrew.net2015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 08:46:14
○ 2015-11-05 06:49:46
○ 2026-03-14 11:14:34
○NSns3.internetwire.de2015-11-05 → 2016-12-02 · 5 obs
○ 2015-06-30 08:46:14
● 2015-11-05 06:49:46
● 2016-12-02 05:58:22
○ 2020-01-14 11:20:38
○ 2026-03-14 11:14:34
●NSns3.nstool.de2026-03-14 → 2026-03-14 · 3 obs
○ 2020-01-14 11:20:38
● 2026-03-14 11:14:30
● 2026-03-14 11:14:34
○NSns4.internetwire.de2015-11-05 → 2016-12-02 · 5 obs
○ 2015-06-30 08:46:14
● 2015-11-05 06:49:46
● 2016-12-02 05:58:22
○ 2020-01-14 11:20:38
○ 2026-03-14 11:14:34
○NSpri.mordac.de2020-01-14 → 2020-01-14 · 4 obs
○ 2016-12-02 05:58:22
● 2020-01-14 11:20:38
○ 2026-03-14 11:14:30
○ 2026-03-14 11:14:34
○NSsec.mordac.de2020-01-14 → 2020-01-14 · 4 obs
○ 2016-12-02 05:58:22
● 2020-01-14 11:20:38
○ 2026-03-14 11:14:30
○ 2026-03-14 11:14:34
○MXmail.02303.de2015-11-05 → 2016-12-02 · 5 obs
○ 2015-06-30 08:46:14
● 2015-11-05 06:49:46
● 2016-12-02 05:58:22
○ 2020-01-14 11:20:38
○ 2026-03-14 11:14:34
○MXmail.h-email.net2015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 08:46:14
○ 2015-11-05 06:49:46
○ 2026-03-14 11:14:34
●MXmx.telenoise.de2026-03-14 → 2026-03-14 · 3 obs
○ 2020-01-14 11:20:38
● 2026-03-14 11:14:30
● 2026-03-14 11:14:34
○A185.53.179.92015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 08:46:14
○ 2015-11-05 06:49:46
○ 2026-03-14 11:14:34
○A81.20.137.282020-01-14 → 2020-01-14 · 4 obs
○ 2016-12-02 05:58:22
● 2020-01-14 11:20:38
○ 2026-03-14 11:14:30
○ 2026-03-14 11:14:34
●A81.20.137.412026-03-14 → 2026-03-14 · 3 obs
○ 2020-01-14 11:20:38
● 2026-03-14 11:14:30
● 2026-03-14 11:14:34
○A95.130.17.362015-11-05 → 2016-12-02 · 5 obs
○ 2015-06-30 08:46:14
● 2015-11-05 06:49:46
● 2016-12-02 05:58:22
○ 2020-01-14 11:20:38
○ 2026-03-14 11:14:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
02303.dens1.nstool.de, ns2.nstool.de, ns3.nstool.de3 records

✅ Authoritative Response

Server: 188.138.6.103

NS records: ns1.nstool.de, ns2.nstool.de, ns3.nstool.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 02303.de (unsigned zone)

⏱️ Timing

Total: 748ms | Queries: -

📄 Records

TypeCountSample Data
A181.20.137.41
NS3ns3.nstool.de, ns1.nstool.de...
MX1mx.telenoise.de (pri: 10)
TXT1v=spf1 a mx ptr ip4:81.20.138.151 ip4:81
SOA1ns1.nstool.de hostmaster.02303.de

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.nstool.de, ns2.nstool.de, ns3.nstool.de)

Analysis

IP Addresses

02303.de maps to IP address 81.20.137.41.

Other host names, for instance abkaufen.de, www.tele33.de, zoiper.de, www.call2call.de and multi-tec-autogas.de share IP numbers with 02303.de.

Name Servers

02303.de is delegated to name servers ns1.nstool.de, ns2.nstool.de and ns3.nstool.de.

02303.de at least partially shares name servers with other domains such as i-ned.de, surmann.us, tallship-sailing.eu, toys4love.com and aieh.de.

Host names with a single IP:

ns1.nstool.de points to 45.141.180.40

ns2.nstool.de points to 194.187.140.66

ns3.nstool.de points to 188.138.6.103

Mail Servers

02303.de is handled by a single mail server, mx.telenoise.de.

02303.de shares the same mail server setup as other domains, including multi-tec-autogas.de, z08.de, telenoise.net, hauptkatalog.net and telenoise.com.

02303.de shares some mail servers with other domains, for instance aquarena-schwimmhalle.de and schiefelbusch.de.

These mail servers are commonly used together with mx10.telenoise.de and mx20.telenoise.de.

mx.telenoise.de resolves to six IP numbers: 2a02:f98:0:24:215:5dff:fede:6347, 2a02:f98:0:24:215:5dff:fede:6349, 2a02:f98:0:24:215:5dff:fede:634b, 81.20.138.151, 81.20.138.152 and 81.20.138.153.