sf-bergmann.de - robtex.com
sf-bergmann.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.239.192.47🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | static.213-239-192-47.clients.your-server.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 | ||||||
| MX | mail.sf-bergmann.de ⭐ | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-23 #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=1776158600 | ||||||
Subdomains
mail.sf-bergmann.de |
Same first word
sf-bergmann.de |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2015-07-02 → 2026-04-14 · 2 obs
● 2026-04-14 09:31:10
●NSrobotns2.second-ns.de2015-07-02 → 2026-04-14 · 2 obs
● 2026-04-14 09:31:10
●NSrobotns3.second-ns.com2015-07-02 → 2026-04-14 · 2 obs
● 2026-04-14 09:31:10
●MXmail.sf-bergmann.de2015-07-02 → 2026-04-14 · 2 obs
● 2026-04-14 09:31:10
●A213.239.192.472015-07-02 → 2026-04-14 · 2 obs
● 2026-04-14 09:31:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| sf-bergmann.de | ns1.first-ns.de, robotns3.second-ns.com, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:213.133.100.103
NS records: ns1.first-ns.de, robotns3.second-ns.com, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sf-bergmann.de (unsigned zone)
⏱️ Timing
Total: 1331ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.239.192.47 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.sf-bergmann.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
sf-bergmann.de is the parent of mail.sf-bergmann.de.
IP Addresses
sf-bergmann.de resolves to one IP number: 213.239.192.47.
Other host names, for instance rindfrey-online.de, static.213-239-192-47.clients.your-server.de, 213-239-192-47.clients.your-server.de and schmidt-buettelborn.de share IP numbers with sf-bergmann.de.
Name Servers
sf-bergmann.de is delegated to three name servers robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
sf-bergmann.de at least partially shares name servers with other domains, for instance aaq.de, dekoplant.com, fifaforums.eu, xtin.ch and hinweisschild.org.
these name servers are often used together with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de and robotns3.second-ns.de.
Host names with two IP numbers:
robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3.
ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238.
robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.
Mail Servers
sf-bergmann.de is handled by a single mail server, mail.sf-bergmann.de.