develop4u.de - dns.ninja
develop4u.de
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=1781341930 | ||||||
Same first word
DNS History
12 records (8 active, 4 former)
●NSns.stassen-net.de2015-06-17 → 2026-06-13 · 2 obs
● 2026-06-13 09:12:28
●NSns1.stassen-net.de2017-06-29 → 2026-06-13 · 3 obs
● 2017-06-29 17:30:24
● 2026-06-13 09:12:28
●NSns2.stassen-net.de2017-06-29 → 2026-06-13 · 3 obs
● 2017-06-29 17:30:24
● 2026-06-13 09:12:28
○NSsaturn.stassen-net.de2015-06-17 → 2016-04-03 · 4 obs
● 2016-04-03 09:31:36
○ 2016-09-15 18:48:40
○ 2026-06-13 09:12:28
○NStitan.stassen-net.de2016-04-03 → 2016-09-15 · 5 obs
● 2016-04-03 09:31:36
● 2016-09-15 18:48:40
○ 2017-06-29 17:30:24
○ 2026-06-13 09:12:28
○NSuranus.stassen-net.de2015-06-17 → 2016-09-15 · 4 obs
● 2016-09-15 18:48:40
○ 2017-06-29 17:30:24
○ 2026-06-13 09:12:28
●MXsmtp.stassen-net.de2015-06-17 → 2026-06-13 · 2 obs
● 2026-06-13 09:12:28
●MXtitan.stassen-net.de2026-02-16 → 2026-06-13 · 3 obs
● 2026-02-16 12:43:44
● 2026-06-13 09:12:28
●MXuranus.stassen-net.de2015-06-17 → 2026-06-13 · 2 obs
● 2026-06-13 09:12:28
●A148.251.120.732016-04-03 → 2026-06-13 · 3 obs
● 2016-04-03 09:31:36
● 2026-06-13 09:12:28
●A2a01:4f8:210:104e::22017-06-29 → 2026-06-13 · 3 obs
● 2017-06-29 17:30:24
● 2026-06-13 09:12:28
○A5.9.37.2422015-06-17 → 2016-01-15 · 4 obs
● 2016-01-15 12:59:42
○ 2016-04-03 09:31:36
○ 2026-06-13 09:12:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| develop4u.de | ns1.stassen-net.de, ns2.stassen-net.de | 4 records |
✅ Authoritative Response
Server:148.251.120.73
NS records: ns1.stassen-net.de, ns2.stassen-net.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for develop4u.de (unsigned zone)
⏱️ Timing
Total: 644ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.251.120.73 |
| AAAA | 1 | 2a01:4f8:210:104e::2 |
| NS | 2 | ns2.stassen-net.de, ns1.stassen-net.de |
| MX | 3 | uranus.stassen-net.de (pri: 40), smtp.stassen-net.de (pri: 10)... |
| TXT | 1 | v=spf1 mx ip4:148.251.120.73 ip6:2a01:4f |
| SOA | 1 | ns.stassen-net.de nsadmin.stassen-net.de |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.stassen-net.de, ns1.stassen-net.de, ns2.stassen-net.de...)
Analysis
IP Addresses
develop4u.de points to two IP numbers: 148.251.120.73 and 2a01:4f8:210:104e::2.
titan4.stassen-net.de, developforyou.de, stassen.cx and two other host names share IP numbers with develop4u.de.
Name Servers
develop4u.de is delegated to three name servers: ns1.stassen-net.de, ns2.stassen-net.de and ns.stassen-net.de.
develop4u.de shares at least some of its name servers with other domains, including developforyou.de, stassen.cx, develop4you.de and two others.
The hostnames ns1.stassen-net.de, ns2.stassen-net.de and ns.stassen-net.de each point to two IP numbers. ns1.stassen-net.de and ns.stassen-net.de both resolve to 148.251.120.73 and 2a01:4f8:210:104e::2, while ns2.stassen-net.de resolves to 144.76.28.78 and 2a01:4f8:191:144d::4711:815.
ns1.stassen-net.de and ns.stassen-net.de are host names that each point to 2a01:4f8:210:104e::2 IP addresses.
ns1.stassen-net.de and ns.stassen-net.de are host names that each point to 148.251.120.73 IP addresses.
Mail Servers
develop4u.de is handled by three mail servers: smtp.stassen-net.de, titan.stassen-net.de and uranus.stassen-net.de.
develop4u.de has at least partial mail server overlap with other domains such as stassen-net.de, kiga-otzenrath.de, developforyou.de and two more.
smtp.stassen-net.de, titan.stassen-net.de and uranus.stassen-net.de each resolve to two IP addresses: smtp.stassen-net.de points to 148.251.120.73 and 2a01:4f8:210:104e::2; titan.stassen-net.de points to 148.251.120.73 and 2a01:4f8:210:104e::2; uranus.stassen-net.de points to 144.76.28.78 and 2a01:4f8:191:144d::4711:815.
smtp.stassen-net.de and titan.stassen-net.de are host names that each point to 2a01:4f8:210:104e::2 IP addresses.
smtp.stassen-net.de and titan.stassen-net.de are host names that each point to 148.251.120.73 IP addresses.