rtcb.de - dns.ninja
rtcb.de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 46.30.215.191🇩🇰 ONECOM46.30.208.0/21 One.com A/S | ||||||
| PTR | webforward.webpod17-cph3.one.com | ||||||
| NS | ns01.one.com ⭐ | ||||||
| A | 2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.one.com | ||||||
| A | 195.206.121.10ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns01.one.com | ||||||
| NS | ns02.one.com | ||||||
| A | 2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.one.com | ||||||
| A | 185.10.11.10ONECOM185.10.11.0/24 | ||||||
| PTR | ns02.one.com | ||||||
| MX | mx1.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.246🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx1.pub.mailpod12-cph3.one.com | ||||||
| MX | mx2.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.247🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx2.pub.mailpod12-cph3.one.com | ||||||
| MX | mx3.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.248🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx3.pub.mailpod12-cph3.one.com | ||||||
| MX | mx4.pub.mailpod12-cph3.one.com ⭐ | ||||||
| A | 104.37.34.249🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx4.pub.mailpod12-cph3.one.com | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-06-15 #2 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1783676650 | ||||||
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
○NSdocks15.rzone.de2015-07-24 → 2018-09-11 · 4 obs
● 2018-09-11 05:50:48
○ 2026-02-18 02:22:38
○ 2026-07-10 09:52:00
●NSns01.one.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 02:22:38
● 2026-07-10 09:52:00
●NSns02.one.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 02:22:38
● 2026-07-10 09:52:00
○NSshades10.rzone.de2015-07-24 → 2018-09-11 · 4 obs
● 2018-09-11 05:50:48
○ 2026-02-18 02:22:38
○ 2026-07-10 09:52:00
●MXmx1.pub.mailpod12-cph3.one.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 02:22:38
● 2026-07-10 09:52:00
●MXmx2.pub.mailpod12-cph3.one.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 02:22:38
● 2026-07-10 09:52:00
●MXmx3.pub.mailpod12-cph3.one.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 02:22:38
● 2026-07-10 09:52:00
●MXmx4.pub.mailpod12-cph3.one.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 02:22:38
● 2026-07-10 09:52:00
○MXsmtpin.rzone.de2015-07-24 → 2018-09-11 · 4 obs
● 2018-09-11 05:50:48
○ 2026-02-18 02:22:38
○ 2026-07-10 09:52:00
○A2a01:238:20a:202:1068::2015-07-24 → 2018-09-11 · 4 obs
● 2018-09-11 05:50:48
○ 2026-02-18 02:22:38
○ 2026-07-10 09:52:00
●A46.30.215.1912026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 02:22:38
● 2026-07-10 09:52:00
○A81.169.145.682015-07-24 → 2018-09-11 · 4 obs
● 2018-09-11 05:50:48
○ 2026-02-18 02:22:38
○ 2026-07-10 09:52:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rtcb.de | ns02.one.com, ns01.one.com | - |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns02.one.com, ns01.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.30.215.191 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 4 | mx4.pub.mailpod12-cph3.one.com (pri: 10), mx1.pub.mailpod12-cph3.one.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
IP Addresses
rtcb.de has exactly one IP address — 46.30.215.191.
fanfare-esch.nl, lneurocom.com, forsvarsadvokat.net plus two other host names have IP numbers in common with rtcb.de.
Name Servers
rtcb.de is delegated to two name servers: ns01.one.com and ns02.one.com.
The name server configuration of rtcb.de is shared with other domains, for instance obackajazzoblues.se, donner.dk, rocksupplies.nl and two others.
ns01.one.com and ns02.one.com each resolve to two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, while ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
rtcb.de has four mail servers: mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com, mx3.pub.mailpod12-cph3.one.com and mx4.pub.mailpod12-cph3.one.com.
At least some of the mail servers used by rtcb.de are shared with other domains: saabnevs.com, kampu.se, elvirawilliams.se and two others among them.
Four host names, each with one IP address: mx1.pub.mailpod12-cph3.one.com has 104.37.34.246, mx2.pub.mailpod12-cph3.one.com has 104.37.34.247, mx3.pub.mailpod12-cph3.one.com has 104.37.34.248 and mx4.pub.mailpod12-cph3.one.com has 104.37.34.249.