cssk.de - dns.ninja

cssk.de

DNSSEC🔒 Signed (DS record present)
A2003:2:2:15:80:150:6:143🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space
PTRtld.t-online.de
A80.150.6.143🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider
NSdns01-tld.t-online.de ⭐
A2003:2:6:137:80:157:195:90🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space
A80.157.195.90🇩🇪 DTAG80.157.0.0/16 Deutsche Telekom AG, Internet service provider
NSdns02-tld.t-online.de
A2003:180:a::1:53🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space
PTRdns02-tld.t-online.de
A212.185.24.9🇩🇪 DTAG212.184.0.0/15 Deutsche Telekom AG, Internet service provider
PTRdns02-tld.t-online.de
MXsmtp-01.tld.t-online.de ⭐
A194.25.134.76🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider
PTRsmtp-01.tld.t-online.de
MXsmtp-02.tld.t-online.de ⭐
A194.25.134.12🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider
PTRsmtp-02.tld.t-online.de
TXTv=spf1 ip4:194.25.134.16/29 ip4:194.25.134.80/29 -all
SOAdns01-tld.t-online.dedns@telekom.de 2023-11-28 #2

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=1782644486

Same first word

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DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSdns01-tld.t-online.dedns02-tld.t-online.dedns1.dnsspace.netdns2.dnsspace.netns1.m2pi.dens2.m2pi.dens3.m2pi.deMXsmtp-01.tld.t-online.desmtp-02.tld.t-online.demail.cssk.deserver1.m2plusi.deA2003:2:2:15:80:150:6:14380.150.6.143178.248.247.91
●NSdns01-tld.t-online.de2026-03-06 → 2026-06-28 · 3 obs
○ 2018-01-01 11:52:58
● 2026-03-06 01:05:46
● 2026-06-28 11:17:42
●NSdns02-tld.t-online.de2026-03-06 → 2026-06-28 · 3 obs
○ 2018-01-01 11:52:58
● 2026-03-06 01:05:46
● 2026-06-28 11:17:42
○NSdns1.dnsspace.net2015-06-17 → 2015-11-06 · 4 obs
● 2015-06-17 20:09:22
● 2015-11-06 11:49:50
○ 2016-02-01 19:37:30
○ 2026-06-28 11:17:42
○NSdns2.dnsspace.net2015-06-17 → 2015-11-06 · 4 obs
● 2015-06-17 20:09:22
● 2015-11-06 11:49:50
○ 2016-02-01 19:37:30
○ 2026-06-28 11:17:42
○NSns1.m2pi.de2016-02-01 → 2018-01-01 · 5 obs
○ 2015-11-06 11:49:50
● 2016-02-01 19:37:30
● 2018-01-01 11:52:58
○ 2026-03-06 01:05:46
○ 2026-06-28 11:17:42
○NSns2.m2pi.de2016-02-01 → 2018-01-01 · 5 obs
○ 2015-11-06 11:49:50
● 2016-02-01 19:37:30
● 2018-01-01 11:52:58
○ 2026-03-06 01:05:46
○ 2026-06-28 11:17:42
○NSns3.m2pi.de2016-02-01 → 2018-01-01 · 5 obs
○ 2015-11-06 11:49:50
● 2016-02-01 19:37:30
● 2018-01-01 11:52:58
○ 2026-03-06 01:05:46
○ 2026-06-28 11:17:42
○MXmail.cssk.de2015-06-17 → 2015-11-06 · 4 obs
● 2015-06-17 20:09:22
● 2015-11-06 11:49:50
○ 2016-02-01 19:37:30
○ 2026-06-28 11:17:42
○MXserver1.m2plusi.de2016-02-01 → 2018-01-01 · 5 obs
○ 2015-11-06 11:49:50
● 2016-02-01 19:37:30
● 2018-01-01 11:52:58
○ 2026-03-06 01:05:46
○ 2026-06-28 11:17:42
●MXsmtp-01.tld.t-online.de2026-03-06 → 2026-06-28 · 3 obs
○ 2018-01-01 11:52:58
● 2026-03-06 01:05:46
● 2026-06-28 11:17:42
●MXsmtp-02.tld.t-online.de2026-03-06 → 2026-06-28 · 3 obs
○ 2018-01-01 11:52:58
● 2026-03-06 01:05:46
● 2026-06-28 11:17:42
○A178.248.247.912015-06-17 → 2018-01-01 · 4 obs
● 2015-06-17 20:09:22
● 2018-01-01 11:52:58
○ 2026-03-06 01:05:46
○ 2026-06-28 11:17:42
●A2003:2:2:15:80:150:6:1432026-03-06 → 2026-06-28 · 3 obs
○ 2018-01-01 11:52:58
● 2026-03-06 01:05:46
● 2026-06-28 11:17:42
●A80.150.6.1432026-03-06 → 2026-06-28 · 3 obs
○ 2018-01-01 11:52:58
● 2026-03-06 01:05:46
● 2026-06-28 11:17:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, z.nic.de, f.nic.de-
cssk.dedns02-tld.t-online.de, dns01-tld.t-online.de-

✅ Authoritative Response

Server:80.157.195.90

NS records: dns02-tld.t-online.de, dns01-tld.t-online.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1204ms | Queries: -

📄 Records

TypeCountSample Data
A180.150.6.143
AAAA12003:2:2:15:80:150:6:143
NS2dns01-tld.t-online.de, dns02-tld.t-online.de
MX2smtp-01.tld.t-online.de (pri: 10), smtp-02.tld.t-online.de (pri: 10)
TXT1v=spf1 ip4:194.25.134.16/29 ip4:194.25.1
SOA1dns01-tld.t-online.de dns.telekom.de

Analysis

IP Addresses

cssk.de directs to two IP numbers, 80.150.6.143 and 2003:2:2:15:80:150:6:143

andysportal.de, behret.de, koch-forst.de and two other host names share IP numbers with cssk.de.

Name Servers

DNS delegation for cssk.de points to two name servers: dns01-tld.t-online.de and dns02-tld.t-online.de.

cssk.de uses the same name servers as several other domains — among them speedpaint.de, khp-piechota.de, eliog.de and two more.

cssk.de has partial name server overlap with other domains, including depechemode.name.

dns01-tld.t-online.de directs to 80.157.195.90 and 2003:2:6:137:80:157:195:90. dns02-tld.t-online.de directs to 212.185.24.9 and 2003:180:a::1:53. Each host name carries two IP addresses.

Mail Servers

Mail for cssk.de is handled by two mail servers — smtp-01.tld.t-online.de and smtp-02.tld.t-online.de.

cssk.de uses an identical mail server configuration to several other domains — among them peter-quint.de, forschner-baumaschinen.com, sj-solutions.de and two more.

At least a portion of cssk.de's mail servers are also used by other domains, for example g-tr.de.

smtp-01.tld.t-online.de resolves to 194.25.134.76. smtp-02.tld.t-online.de resolves to 194.25.134.12. Both host names point to a single IP number.