isp.root4u.de - robtex.com
isp.root4u.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a05:bec0::2🇩🇪 ACTIVE-SERVERS2a05:bec0::/29 iNTERWERK.de Routing | ||||||
| PTR | isp.root-control.de | ||||||
| A | 109.230.239.251🇩🇪 ACTIVE-SERVERS109.230.239.0/24 | ||||||
root4u.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a05:bec0::2🇩🇪 ACTIVE-SERVERS2a05:bec0::/29 iNTERWERK.de Routing | ||||||
| A | 109.230.239.251🇩🇪 ACTIVE-SERVERS109.230.239.0/24 | ||||||
| NS | ns2.interwerk.de ⭐ | ||||||
| NS | ns.interwerk.de | ||||||
| MX | mx.root4u.de ⭐ | ||||||
| SOA | ns.interwerk.dehostmaster@interwerk.de 2026-03-11 #0 | ||||||
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
●A109.230.239.2512015-08-14 → 2026-04-13 · 2 obs
● 2015-08-14 11:40:28
● 2026-04-13 07:59:50
● 2026-04-13 07:59:50
○A2a02:d40:3:1:dcbd:44ff:fecb:bea12016-03-17 → 2016-07-20 · 5 obs
○ 2015-08-14 11:40:28
● 2016-03-17 05:15:16
● 2016-07-20 19:20:30
○ 2026-02-16 11:55:32
○ 2026-04-13 07:59:50
● 2016-03-17 05:15:16
● 2016-07-20 19:20:30
○ 2026-02-16 11:55:32
○ 2026-04-13 07:59:50
●A2a05:bec0::22026-02-16 → 2026-04-13 · 3 obs
○ 2016-07-20 19:20:30
● 2026-02-16 11:55:32
● 2026-04-13 07:59:50
● 2026-02-16 11:55:32
● 2026-04-13 07:59:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| root4u.de | ns.interwerk.de, ns2.interwerk.de | 4 records |
✅ Authoritative Response
Server:109.230.236.254
NS records: ns.interwerk.de, ns2.interwerk.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for root4u.de (unsigned zone)
⏱️ Timing
Total: 3755ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.230.239.251 |
| AAAA | 1 | 2a05:bec0::2 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.interwerk.de, ns.interwerk.de, ns2.interwerk.de...)
Analysis
IP Addresses
isp.root4u.de points to two IPs: 2a05:bec0::2 and 109.230.239.251.
Other host names including activeservers.de, www.active-server.net, www.derawa.de, evo-server.de and ns.active-server.net share IP numbers with isp.root4u.de.