returnzero.de - dns.ninja
returnzero.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.106.132.24🇩🇪 IONOS-AS87.106.0.0/16 IONOS-PA-5 | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.returnzero.de ⭐ | ||||||
| A | 87.106.132.24🇩🇪 IONOS-AS87.106.0.0/16 IONOS-PA-5 | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-10 #0 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786481665 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2015-08-04 → 2026-08-11 · 2 obs
● 2026-08-11 21:21:30
●NSrobotns2.second-ns.de2015-08-04 → 2026-08-11 · 2 obs
● 2026-08-11 21:21:30
●NSrobotns3.second-ns.com2015-08-04 → 2026-08-11 · 2 obs
● 2026-08-11 21:21:30
●MXmail.returnzero.de2015-08-04 → 2026-08-11 · 5 obs
● 2026-02-15 08:52:38
○ 2026-06-24 21:43:12
● 2026-08-11 21:21:28
● 2026-08-11 21:21:30
●A87.106.132.242015-08-04 → 2026-08-11 · 5 obs
● 2026-02-15 08:52:38
○ 2026-06-24 21:43:12
● 2026-08-11 21:21:28
● 2026-08-11 21:21:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| returnzero.de | robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.133.100.103
NS records: robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for returnzero.de (unsigned zone)
⏱️ Timing
Total: 1906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.106.132.24 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.returnzero.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
IP Addresses
returnzero.de resolves to one IP address: 87.106.132.24.
s16960444.rootmaster.info is an example of another host name that shares IP numbers with returnzero.de.
Name Servers
returnzero.de has three name servers — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
returnzero.de has at least partial name server overlap with other domains, such as darmstadtcongress.de, prohaszka.net, cleverreactor.com and two others.
Each of robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de points to two IP numbers. robotns3.second-ns.com points to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de points to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de points to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
Mail for returnzero.de is handled by a single mail server, mail.returnzero.de.
mail.returnzero.de points to one IP number — 87.106.132.24.