rtmann.de - dns.ninja

rtmann.de

DNSSEC⚠️ Not signed
A212.34.167.38🇩🇪 AS12348212.34.160.0/19 ODN OnlineDienst Nordbayern GmbH & Co. KG
PTRplesk5.odn.de
NSdns1.odn.de ⭐
A2a01:120:0:101::d1🇩🇪 AS123482a01:120::/29 ODN OnlineDienst Nordbayern GmbH & Co. KG Steinstrasse 19 90419 Nuernberg
PTRdns1.odn.de
A212.34.160.53🇩🇪 AS12348212.34.160.0/19 ODN OnlineDienst Nordbayern GmbH & Co. KG
PTRdns1.odn.de
NSdns2.odn.de
A2a01:120:0:102::d2🇩🇪 AS123482a01:120::/29 ODN OnlineDienst Nordbayern GmbH & Co. KG Steinstrasse 19 90419 Nuernberg
PTRdns2.odn.de
A212.34.164.234🇩🇪 AS12348212.34.160.0/19 ODN OnlineDienst Nordbayern GmbH & Co. KG
PTRdns2.odn.de
NSdns3.odn.de
A2a01:120:0:103::d3🇩🇪 AS123482a01:120::/29 ODN OnlineDienst Nordbayern GmbH & Co. KG Steinstrasse 19 90419 Nuernberg
PTRdns3.odn.de
A212.34.166.20🇩🇪 AS12348212.34.160.0/19 ODN OnlineDienst Nordbayern GmbH & Co. KG
PTRdns3.odn.de
MXmail.rtmann.de ⭐
A212.34.167.38🇩🇪 AS12348212.34.160.0/19 ODN OnlineDienst Nordbayern GmbH & Co. KG
PTRplesk5.odn.de
TXTv=spf1 a mx ~all
SOAdns1.odn.dehartm@odn.de 2026-04-20 #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=1781367833

Subdomains

mail.rtmann.de
onlyoffice.rtmann.de

Same first word

rtmann.de

Similar names

rntman.com
ntrman.net
rantmn.com
ntrman.cc

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdns1.odn.dedns2.odn.dedns3.odn.deMXmail.rtmann.demx.odn.deA212.34.167.38212.34.167.362a01:120:0:4200::b1
●NSdns1.odn.de2015-05-26 → 2026-06-13 · 2 obs
● 2015-05-26 14:11:46
● 2026-06-13 16:44:42
●NSdns2.odn.de2015-05-26 → 2026-06-13 · 2 obs
● 2015-05-26 14:11:46
● 2026-06-13 16:44:42
●NSdns3.odn.de2015-05-26 → 2026-06-13 · 2 obs
● 2015-05-26 14:11:46
● 2026-06-13 16:44:42
●MXmail.rtmann.de2015-05-26 → 2026-06-13 · 2 obs
● 2015-05-26 14:11:46
● 2026-06-13 16:44:42
○MXmx.odn.de2015-05-26 → 2017-12-29 · 4 obs
● 2015-05-26 14:11:46
● 2017-12-29 02:43:46
○ 2026-02-18 05:51:50
○ 2026-06-13 16:44:42
○A212.34.167.362015-05-26 → 2017-12-29 · 4 obs
● 2015-05-26 14:11:46
● 2017-12-29 02:43:46
○ 2026-02-18 05:51:50
○ 2026-06-13 16:44:42
●A212.34.167.382026-02-18 → 2026-06-13 · 3 obs
○ 2017-12-29 02:43:46
● 2026-02-18 05:51:50
● 2026-06-13 16:44:42
○A2a01:120:0:4200::b12017-12-29 → 2017-12-29 · 4 obs
○ 2015-05-26 14:11:46
● 2017-12-29 02:43:46
○ 2026-02-18 05:51:50
○ 2026-06-13 16:44:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, z.nic.de, a.nic.de-
rtmann.dedns2.odn.de, dns3.odn.de, dns1.odn.de6 records

✅ Authoritative Response

Server:212.34.160.53

NS records: dns2.odn.de, dns3.odn.de, dns1.odn.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtmann.de (unsigned zone)

⏱️ Timing

Total: 634ms | Queries: -

📄 Records

TypeCountSample Data
A1212.34.167.38
NS3dns3.odn.de, dns1.odn.de...
MX1mail.rtmann.de (pri: 10)
TXT1v=spf1 a mx ~all
SOA1dns1.odn.de hartm.odn.de

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (dns3.odn.de, dns2.odn.de, dns1.odn.de...)

Analysis

Hierarchy

rtmann.de is the parent domain of mail.rtmann.de and onlyoffice.rtmann.de.

IP Addresses

rtmann.de points to a single IP number: 212.34.167.38.

Additional host names — mail.theartofbusiness.de, mail.rtmann.de, christian-ruckdeschel.de and two others — share IP numbers with rtmann.de.

Name Servers

DNS for rtmann.de is handled by three authoritative name servers: dns1.odn.de, dns2.odn.de and dns3.odn.de.

rtmann.de has at least partial name server overlap with other domains, such as xn--nrnberger-holding-22b.com, xn--versicherungennrnberger-qpc.org, xn--business-nrnberg-szb.de and two others.

Three hostnames — dns1.odn.de, dns2.odn.de and dns3.odn.de — each have two IP addresses: dns1.odn.de has 212.34.160.53 and 2a01:120:0:101::d1, dns2.odn.de has 212.34.164.234 and 2a01:120:0:102::d2, and dns3.odn.de has 212.34.166.20 and 2a01:120:0:103::d3.

Mail Servers

rtmann.de has one mail server: mail.rtmann.de.

mail.rtmann.de has exactly one IP number: 212.34.167.38.