isp-chemnitz.de - robtex.com
isp-chemnitz.de
| DNSSEC | ⚠️ Not signed | ||||||
| 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.isp-chemnitz.de ⭐ | ||||||
| A | 89.58.0.121🇩🇪 netcup-AS89.58.0.0/22 | ||||||
| PTR | mail.h1rsvr.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2021-12-12 #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=1774791947 | ||||||
Subdomains
mail.isp-chemnitz.de |
Same first word
isp-chemnitz.de |
DNS History
4 records (4 active, 0 former)
●NSns1.first-ns.de2015-06-27 → 2026-03-29 · 2 obs
● 2026-03-29 13:50:52
●NSrobotns2.second-ns.de2015-06-27 → 2026-03-29 · 2 obs
● 2026-03-29 13:50:52
●NSrobotns3.second-ns.com2015-06-27 → 2026-03-29 · 2 obs
● 2026-03-29 13:50:52
●MXmail.isp-chemnitz.de2015-06-27 → 2026-03-29 · 2 obs
● 2026-03-29 13:50:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| isp-chemnitz.de | robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de | - |
✅ Authoritative Response
Server:213.133.100.103
NS records: robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isp-chemnitz.de (unsigned zone)
⏱️ Timing
Total: 589ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.isp-chemnitz.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
isp-chemnitz.de is the parent of mail.isp-chemnitz.de.
Name Servers
isp-chemnitz.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
isp-chemnitz.de at least partially shares name servers with other domains, including dbtoolkit.de, aetherbrueder.de, trivials.de, ursula-leitzmann.com and www.seo-portal.ro.
These name servers are commonly used with hydrogen.ns.hetzner.com and ns1.your-server.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
isp-chemnitz.de is handled by a single mail server, mail.isp-chemnitz.de.
mail.isp-chemnitz.de points to a single IP: 89.58.0.121.