linuxcup.de - dns.ninja
linuxcup.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.201.236.57🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC | ||||||
| PTR | mail.wellweller.de | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| 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.linuxcup.de ⭐ | ||||||
| A | 195.201.236.57🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC | ||||||
| PTR | mail.wellweller.de | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-07-20 #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=1785012108 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NShydrogen.ns.hetzner.com2026-04-29 → 2026-07-25 · 3 obs
● 2026-04-29 15:48:52
● 2026-07-25 20:47:40
●NSns1.first-ns.de2015-06-18 → 2026-07-25 · 2 obs
● 2026-07-25 20:47:40
●NSrobotns2.second-ns.de2015-06-18 → 2026-07-25 · 2 obs
● 2026-07-25 20:47:40
●NSrobotns3.second-ns.com2015-06-18 → 2026-07-25 · 2 obs
● 2026-07-25 20:47:40
●MXmail.linuxcup.de2015-06-18 → 2026-07-25 · 2 obs
● 2026-07-25 20:47:40
○A176.9.44.1302015-06-18 → 2016-06-19 · 4 obs
● 2016-06-19 22:39:16
○ 2017-02-08 14:43:22
○ 2026-07-25 20:47:40
○A176.9.79.1202017-02-08 → 2019-12-24 · 5 obs
● 2017-02-08 14:43:22
● 2019-12-24 04:12:00
○ 2026-04-29 15:48:52
○ 2026-07-25 20:47:40
●A195.201.236.572026-04-29 → 2026-07-25 · 3 obs
● 2026-04-29 15:48:52
● 2026-07-25 20:47:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| linuxcup.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 linuxcup.de (unsigned zone)
⏱️ Timing
Total: 1447ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.201.236.57 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.linuxcup.de (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
Hierarchy
linuxcup.de is the parent domain of *.linuxcup.de and mail.linuxcup.de.
IP Addresses
linuxcup.de points to a single IP number: 195.201.236.57.
Among others, mail.linuxcup.de, mail.wellweller.de, wellweller.de and *.linuxcup.de resolve to the same IP numbers as linuxcup.de.
Name Servers
linuxcup.de has four authoritative name servers: robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de and hydrogen.ns.hetzner.com.
linuxcup.de partially shares its NS delegation with several other domains, including paar-it.com, mellinda.de, schachbund-bayern.de and two others.
These name servers are regularly seen alongside oxygen.ns.hetzner.com and helium.ns.hetzner.de as name servers.
robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de and hydrogen.ns.hetzner.com each carry two IP addresses. robotns3.second-ns.com has 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de has 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de has 213.133.100.103 and 2a01:4f8:0:1::5ddc:2; hydrogen.ns.hetzner.com has 213.133.100.98 and 2a01:4f8:0:1::add:1098.
Mail Servers
linuxcup.de has one mail server: mail.linuxcup.de.
mail.linuxcup.de directs to just one IP number, 195.201.236.57.