tsystems.lu - robtex.com
tsystems.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.158.66.24🇩🇪 SCZN-AS80.158.64.0/22 belongs to 80.158.64.0/21 | ||||||
| NS | pns.dtag.de ⭐ | ||||||
| A | 2003:40:8000::100🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| PTR | pns.dtag.de | ||||||
| A | 194.25.0.125🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | pns.dtag.de | ||||||
| NS | ns1.telekom.net | ||||||
| A | 2003:180:a:1000::53🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space | ||||||
| PTR | ns1.telekom.net | ||||||
| A | 212.185.24.65🇩🇪 DTAG212.184.0.0/15 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | ns1.telekom.net | ||||||
| MX | mail.t-systems.be ⭐ | ||||||
| MX | mx.colt.net(20) | ||||||
| A | 212.74.77.105🇬🇧 COLT212.74.77.0/24 Internal 4 | ||||||
| PTR | mc25.lon.server.colt.net | ||||||
| SOA | pns.dtag.dednsadmin@nic.dtag.de 2021-12-17 #0 | ||||||
lu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | 1.ns.lu ⭐ | ||||||
| NS | g.dns.lu | ||||||
| NS | i.dns.lu | ||||||
| NS | j.dns.lu | ||||||
| NS | k.dns.lu | ||||||
| NS | p.dns.lu | ||||||
| NS | r.ns.lu | ||||||
| TXT | Exported: 2026-07-15 04:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1784080872 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.telekom.net2026-07-02 → 2026-07-15 · 2 obs
● 2026-07-15 02:38:34
●MXmail.t-systems.be2026-07-02 → 2026-07-15 · 2 obs
● 2026-07-15 02:38:34
●A80.158.66.242026-07-02 → 2026-07-15 · 2 obs
● 2026-07-15 02:38:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | 1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu... | - |
| tsystems.lu | pns.dtag.de, ns1.telekom.net | - |
✅ Authoritative Response
Server:212.185.24.65
NS records: pns.dtag.de, ns1.telekom.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tsystems.lu (unsigned zone)
⏱️ Timing
Total: 1332ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.158.66.24 |
| NS | 2 | pns.dtag.de, ns1.telekom.net |
| MX | 2 | mx.colt.net (pri: 20), mail.t-systems.be (pri: 10) |
| SOA | 1 | pns.dtag.de dnsadmin.nic.dtag.de |
Analysis
IP Addresses
tsystems.lu resolves to just one IP address, 80.158.66.24.
Two other host names, along with emetriq.biz, deutsche-telekom-venture.de and telekom.academy, also share IP numbers with tsystems.lu.
Name Servers
Two name servers handle the delegation for tsystems.lu: pns.dtag.de and ns1.telekom.net.
tsystems.lu shares its NS records with other domains, for example michaelzobel.com, ultra-color.info, zhg-online.com and two others.
The name servers of tsystems.lu overlap at least partially with those of other domains — among them 241.86.217.in-addr.arpa, fescreen-fcs.de, 3.128.87.in-addr.arpa and two more.
These name servers commonly appear in delegations together with secondary006.dtag.net, secondary007.dtag.net, dns01.dns.t-ipnet.de and 7 other.
pns.dtag.de and ns1.telekom.net both carry two IP addresses. The A records for pns.dtag.de are 194.25.0.125 and 2003:40:8000::100; the A records for ns1.telekom.net are 212.185.24.65 and 2003:180:a:1000::53.
Mail Servers
tsystems.lu is served by two mail servers, mail.t-systems.be and mx.colt.net.
There is at least a partial MX overlap between tsystems.lu and other domains, including personalueberlassung.net, europaeische-fachhochschule.de, humanizingmarketing.com and two others.
These mail servers tend to appear in combination with mail servers smtp.coltintermail.com, mail.sgate.be, mail2.t-systems.be and 4 others.
Host names that point to one IP address:
The hostname mx.colt.net resolves to 212.74.77.105.