der-chb.de - robtex.com
der-chb.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 148.251.217.120🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | medivelopment.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.der-chb.de ⭐ | ||||||
| A | 148.251.217.120🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | medivelopment.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-29 #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=1778425244 | ||||||
Subdomains
mail.der-chb.de |
Same first word
der-chb.de |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-07-19 → 2026-05-10 · 2 obs
● 2026-05-10 15:18:36
●NSrobotns2.second-ns.de2015-07-19 → 2026-05-10 · 2 obs
● 2026-05-10 15:18:36
●NSrobotns3.second-ns.com2015-07-19 → 2026-05-10 · 2 obs
● 2026-05-10 15:18:36
●MXmail.der-chb.de2015-07-19 → 2026-05-10 · 2 obs
● 2026-05-10 15:18:36
●A148.251.217.1202026-02-15 → 2026-05-10 · 3 obs
● 2026-02-15 03:27:28
● 2026-05-10 15:18:36
○A78.46.113.752015-07-19 → 2017-02-16 · 4 obs
● 2017-02-16 11:41:50
○ 2026-02-15 03:27:28
○ 2026-05-10 15:18:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| der-chb.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 der-chb.de (unsigned zone)
⏱️ Timing
Total: 1502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.251.217.120 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.der-chb.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
der-chb.de is a parent of mail.der-chb.de.
IP Addresses
der-chb.de points to a single IP number: 148.251.217.120.
Other host names, for instance medivelopment.de, mail.medivelopment.de, mail.praxis-burchert.de and mail.der-chb.de share IP numbers with der-chb.de.
Name Servers
The delegation for der-chb.de is handled by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
der-chb.de at least partially shares name servers with other domains, for instance fewo-in-steibis.de, landstrassenliebe.com, shellautohofbinzen.de, sk23.de and youmap.org.
Two IP numbers per host:
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
der-chb.de is handled by a single mail server, mail.der-chb.de.
mail.der-chb.de points to a single IP: 148.251.217.120.