root-folder.de - dns.ninja
root-folder.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 142.132.143.136🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC | ||||||
| PTR | mail.root-mail.de | ||||||
| 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 | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-05-14 #1 | ||||||
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=1781613141 | ||||||
Subdomains
mail.root-folder.de |
Same first word
root-folder.de |
DNS History
7 records (4 active, 3 former)
●NSns1.first-ns.de2015-07-11 → 2026-06-16 · 2 obs
● 2026-06-16 12:55:26
●NSrobotns2.second-ns.de2015-07-11 → 2026-06-16 · 2 obs
● 2026-06-16 12:55:26
●NSrobotns3.second-ns.com2015-07-11 → 2026-06-16 · 2 obs
● 2026-06-16 12:55:26
○MXmail.root-folder.de2015-07-11 → 2017-02-12 · 4 obs
● 2017-02-12 21:16:40
○ 2026-02-23 02:31:42
○ 2026-06-16 12:55:26
●A142.132.143.1362026-02-23 → 2026-06-16 · 3 obs
● 2026-02-23 02:31:42
● 2026-06-16 12:55:26
○A176.9.124.2182015-11-19 → 2017-02-12 · 5 obs
● 2015-11-19 14:32:08
● 2017-02-12 21:16:40
○ 2026-02-23 02:31:42
○ 2026-06-16 12:55:26
○A5.9.144.2192015-07-11 → 2015-07-11 · 3 obs
○ 2015-11-19 14:32:08
○ 2026-06-16 12:55:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| root-folder.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for root-folder.de (unsigned zone)
⏱️ Timing
Total: 1120ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 142.132.143.136 |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
The domain mail.root-folder.de falls under the parent root-folder.de.
IP Addresses
root-folder.de points to a single IP number: 142.132.143.136.
Additional host names — nginx.root-imentary.de, mail.root-folder.de, scp-rvd.de and two others — share IP numbers with root-folder.de.
Name Servers
Three name servers are authoritative for root-folder.de: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
At least some of root-folder.de's name servers are shared with other domains, for example openptis.net, toxgps.com, schaumloescher.com and two more.
These name servers tend to be used in conjunction with the name servers hydrogen.ns.hetzner.com.
robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2. All three hostnames point to two IP numbers each.