t9nn.de - robtex.com

t9nn.de

DNSSEC⚠️ Not signed
A2a01:4f8:c010:9d7a::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRt9nn.de
A168.119.182.214🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXmailcow.t9nn.de ⭐
A2a01:4f8:1c1e:8800::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmailcow.t9nn.de
A49.12.193.180🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC
PTRmailcow.t9nn.de
TXTv=spf1 a mx -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-04-14 #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=1776189556

PTR for

214.182.119.168.in-addr.arpa

Subdomains

mailcow.t9nn.de

Same first word

t9nn.de

DNS History

6 records (6 active, 0 former)

NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comMXmailcow.t9nn.deA168.119.182.2142a01:4f8:c010:9d7a::1
●NShelium.ns.hetzner.de2026-02-15 → 2026-04-14 · 2 obs
● 2026-02-15 12:14:10
● 2026-04-14 18:15:30
●NShydrogen.ns.hetzner.com2026-02-15 → 2026-04-14 · 2 obs
● 2026-02-15 12:14:10
● 2026-04-14 18:15:30
●NSoxygen.ns.hetzner.com2026-02-15 → 2026-04-14 · 2 obs
● 2026-02-15 12:14:10
● 2026-04-14 18:15:30
●MXmailcow.t9nn.de2026-02-15 → 2026-04-14 · 2 obs
● 2026-02-15 12:14:10
● 2026-04-14 18:15:30
●A168.119.182.2142026-02-15 → 2026-04-14 · 2 obs
● 2026-02-15 12:14:10
● 2026-04-14 18:15:30
●A2a01:4f8:c010:9d7a::12026-02-15 → 2026-04-14 · 2 obs
● 2026-02-15 12:14:10
● 2026-04-14 18:15:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
t9nn.dehelium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com-

✅ Authoritative Response

Server:213.133.100.98

NS records: helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for t9nn.de (unsigned zone)

⏱️ Timing

Total: 1329ms | Queries: -

📄 Records

TypeCountSample Data
A1168.119.182.214
AAAA12a01:4f8:c010:9d7a::1
NS3hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...
MX1mailcow.t9nn.de (pri: 10)
TXT1v=spf1 a mx -all
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

Hierarchy

t9nn.de is the parent of mailcow.t9nn.de.

IP Addresses

t9nn.de resolves to two IP numbers: 2a01:4f8:c010:9d7a::1 and 168.119.182.214.

Other host names, for instance static.214.182.119.168.clients.your-server.de, share IP numbers with t9nn.de.

Name Servers

t9nn.de is delegated to three name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

t9nn.de at least partially shares name servers with other domains, for instance webserver1.gr, yolokube.de, kantbetrieb.de, planetech-game.com and org01.com.

These name servers are commonly used with ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to: 2a01:4f8:0:1::add:1098 and 213.133.100.98.

oxygen.ns.hetzner.com points to: 2a01:4f8:0:1::add:2992 and 88.198.229.192.

helium.ns.hetzner.de points to: 2001:67c:192c::add:5 and 193.47.99.5.

Mail Servers

t9nn.de is handled by a single mail server, mailcow.t9nn.de.

t9nn.de shares the same mail server setup as other domains, for instance christoph-hassel.de.

mailcow.t9nn.de resolves to two IP numbers: 2a01:4f8:1c1e:8800::1 and 49.12.193.180.