bt-systems.net - robtex.com
bt-systems.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.123.233.209🇦🇹 A1TELEKOM-AT80.120.0.0/14 HIGHWAY194 | ||||||
| NS | dns.dns1.de ⭐ | ||||||
| A | 2a02:2940:0:a0d1::246🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany | ||||||
| PTR | dns.dns1.de | ||||||
| A | 95.130.16.246🇩🇪 INETWIRE-AS95.130.16.0/21 Key-Systems GmbH / PartnerGate Liebherrstr. 22 80538 Muenchen, Germany | ||||||
| PTR | dns.dns1.de | ||||||
| NS | dns.dns2.de | ||||||
| A | 2a02:2940:0:a0d2::218🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany | ||||||
| PTR | dns.dns2.de | ||||||
| A | 95.130.17.218🇩🇪 INETWIRE-AS95.130.17.0/24 InterNetWire Communications GmbH Wilhelm-Wagenfeld-Str. 16 80807 Muenchen | ||||||
| PTR | dns.dns2.de | ||||||
| NS | dns.dns3.de | ||||||
| A | 2a00:11c0:e:766::2🇩🇪 ANEXIA2a00:11c0:e::/48 Internetdienstleistungs GmbH DE - Frankfurt | ||||||
| PTR | dns.dns3.de | ||||||
| A | 217.146.22.194🇩🇪 ANEXIA217.146.22.0/24 Anexia DE - Frankfurt | ||||||
| PTR | dns.dns3.de | ||||||
| NS | dns.dns4.de | ||||||
| A | 2a01:4f8:192:2187::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | dns.dns4.de | ||||||
| A | 144.76.91.137🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | dns.dns4.de | ||||||
| SOA | dns.dns1.dednsmaster@bt-center.at 2025-03-11 #1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774539382 | ||||||
Same first word
Similar names
stb-system.com |
bst-system.eu |
bst-system.com |
bst-system.net |
bst-system.org |
bst-system.de |
tb-systems.nl |
systems-tb.de |
tb-systems.de |
DNS History
16 records (5 active, 11 former)
●NSdns.dns1.de2026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 21:15:08
● 2026-03-26 15:46:12
●NSdns.dns2.de2026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 21:15:08
● 2026-03-26 15:46:12
●NSdns.dns3.de2026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 21:15:08
● 2026-03-26 15:46:12
●NSdns.dns4.de2026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 21:15:08
● 2026-03-26 15:46:12
○NSns13.domaincontrol.com2018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○NSns14.domaincontrol.com2018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○MXbtsystems-net0e.mail.protection.outlook.com2018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A184.168.221.322018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A184.168.221.362018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A184.168.221.452018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A184.168.221.482018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A184.168.221.512018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A184.168.221.592018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A50.63.202.452018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
○A50.63.202.592018-10-09 → 2018-10-09 · 3 obs
○ 2026-02-27 21:15:08
○ 2026-03-26 15:46:12
●A80.123.233.2092026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 21:15:08
● 2026-03-26 15:46:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | h.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net... | - |
| bt-systems.net | dns.dns1.de, dns.dns2.de, dns.dns3.de, dns.dns4.de | - |
✅ Authoritative Response
Server:95.130.17.218
NS records: dns.dns1.de, dns.dns2.de, dns.dns3.de, dns.dns4.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bt-systems.net (unsigned zone)
⏱️ Timing
Total: 668ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.123.233.209 |
| NS | 4 | dns.dns3.de, dns.dns4.de... |
| SOA | 1 | dns.dns1.de dnsmaster.bt-center.at |
Analysis
IP Addresses
bt-systems.net resolves to one IP number: 80.123.233.209.
other host names including ibk-kormend.hu, bt-center.org, watzke.at, bt-watzke.at and bt-marketingcenter.com share IP numbers with bt-systems.net.
Name Servers
bt-systems.net is delegated to four name servers: dns.dns1.de, dns.dns2.de, dns.dns3.de and dns.dns4.de.
bt-systems.net at least partially shares name servers with other domains, for instance farbimpulse.de, rechtsanwaelte-schwenen.de, skymoves.net, kaelte-klima-koch.de and forumholz.at.
Host names with two IP numbers:
dns.dns1.de points to 2a02:2940:0:a0d1::246 and 95.130.16.246; dns.dns2.de points to 2a02:2940:0:a0d2::218 and 95.130.17.218; dns.dns3.de points to 2a00:11c0:e:766::2 and 217.146.22.194; dns.dns4.de points to 2a01:4f8:192:2187::2 and 144.76.91.137.