rtsk.de - dns.ninja

rtsk.de

DNSSEC⚠️ Not signed
A2a01:4f8:d0a:1344::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww527.your-server.de
A188.40.30.57🇩🇪 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
MXwww527.your-server.de ⭐
A2a01:4f8:d0a:1344::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww527.your-server.de
A188.40.30.57🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
PTRwww527.your-server.de
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2026-01-13 #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=1782415667

Same first word

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krts.tv
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ktrs.dk
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krts.co.jp
kstr.ru
stkr.fr

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.dedocks17.rzone.deshades13.rzone.deMXwww527.your-server.desmtp.rzone.deA188.40.30.572a01:4f8:d0a:1344::22a01:238:20a:202:1082::81.169.145.82
○NSdocks17.rzone.de2015-06-17 → 2017-06-08 · 4 obs
● 2015-06-17 13:27:38
● 2017-06-08 23:11:52
○ 2026-02-15 07:47:10
○ 2026-06-25 19:28:30
●NSns.second-ns.com2026-02-15 → 2026-06-25 · 3 obs
○ 2017-06-08 23:11:52
● 2026-02-15 07:47:10
● 2026-06-25 19:28:30
●NSns1.your-server.de2026-02-15 → 2026-06-25 · 3 obs
○ 2017-06-08 23:11:52
● 2026-02-15 07:47:10
● 2026-06-25 19:28:30
●NSns3.second-ns.de2026-02-15 → 2026-06-25 · 3 obs
○ 2017-06-08 23:11:52
● 2026-02-15 07:47:10
● 2026-06-25 19:28:30
○NSshades13.rzone.de2015-06-17 → 2017-06-08 · 4 obs
● 2015-06-17 13:27:38
● 2017-06-08 23:11:52
○ 2026-02-15 07:47:10
○ 2026-06-25 19:28:30
○MXsmtp.rzone.de2015-06-17 → 2017-06-08 · 4 obs
● 2015-06-17 13:27:38
● 2017-06-08 23:11:52
○ 2026-02-15 07:47:10
○ 2026-06-25 19:28:30
●MXwww527.your-server.de2026-02-15 → 2026-06-25 · 3 obs
○ 2017-06-08 23:11:52
● 2026-02-15 07:47:10
● 2026-06-25 19:28:30
●A188.40.30.572026-02-15 → 2026-06-25 · 3 obs
○ 2017-06-08 23:11:52
● 2026-02-15 07:47:10
● 2026-06-25 19:28:30
○A2a01:238:20a:202:1082::2015-06-17 → 2017-06-08 · 4 obs
● 2015-06-17 13:27:38
● 2017-06-08 23:11:52
○ 2026-02-15 07:47:10
○ 2026-06-25 19:28:30
●A2a01:4f8:d0a:1344::22026-02-15 → 2026-06-25 · 3 obs
○ 2017-06-08 23:11:52
● 2026-02-15 07:47:10
● 2026-06-25 19:28:30
○A81.169.145.822015-06-17 → 2017-06-08 · 4 obs
● 2015-06-17 13:27:38
● 2017-06-08 23:11:52
○ 2026-02-15 07:47:10
○ 2026-06-25 19:28:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
rtsk.dens3.second-ns.de, ns.second-ns.com, ns1.your-server.de4 records

✅ Authoritative Response

Server:213.133.100.102

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtsk.de (unsigned zone)

⏱️ Timing

Total: 3117ms | Queries: -

📄 Records

TypeCountSample Data
A1188.40.30.57
AAAA12a01:4f8:d0a:1344::2
NS3ns1.your-server.de, ns3.second-ns.de...
MX1www527.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

rtsk.de points to the IP addresses 188.40.30.57 and 2a01:4f8:d0a:1344::2

Two other host names, along with queisser.org, elklein.de and zahnrad-records.de, also share IP numbers with rtsk.de.

Name Servers

The authoritative name servers for rtsk.de are ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de — three in total.

At least some of rtsk.de's name servers are shared with other domains, for example onlinesprache.de, weissbierpils.com, jetbo.de and two more.

ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de all resolve to exactly two IP numbers apiece: ns.second-ns.com → 213.239.204.242 and 2a01:4f8:0:a101::b:1; ns3.second-ns.de → 193.47.99.4 and 2001:67c:192c::add:b3; ns1.your-server.de → 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

The sole mail server for rtsk.de is www527.your-server.de.

Among the domains sharing a mail server setup with rtsk.de are 129bpm.de, wimpassing.info, etoa.ch and two others.

www527.your-server.de directs to two IP numbers, 188.40.30.57 and 2a01:4f8:d0a:1344::2.