undefinedbehavior.de - robtex.com
undefinedbehavior.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=1787215841 | ||||||
Subdomains
git.undefinedbehavior.de |
Same first word
undefinedbehavior.github.io |
undefinedbehavior.com |
undefinedbehavior.xyz |
undefinedbehavior.de |
Previous names
Next names
DNS History
9 records (9 active, 0 former)
●MXmxext1.mailbox.org2026-07-05 → 2026-08-20 · 2 obs
● 2026-08-20 08:54:56
●MXmxext2.mailbox.org2026-07-05 → 2026-08-20 · 2 obs
● 2026-08-20 08:54:56
●MXmxext3.mailbox.org2026-07-05 → 2026-08-20 · 2 obs
● 2026-08-20 08:54:56
●MXmxext4.mailbox.org2026-08-20 → 2026-08-20 · 3 obs
● 2026-08-20 08:54:54
● 2026-08-20 08:54:56
●A185.216.176.1252026-07-05 → 2026-08-20 · 2 obs
● 2026-08-20 08:54:56
●A2a03:4000:4f:106::2026-07-05 → 2026-08-20 · 2 obs
● 2026-08-20 08:54:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| undefinedbehavior.de | ns3.inwx.eu, ns.inwx.de, ns2.inwx.de | - |
✅ Authoritative Response
Server:176.97.158.104
NS records: ns3.inwx.eu, ns.inwx.de, ns2.inwx.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for undefinedbehavior.de (unsigned zone)
⏱️ Timing
Total: 1202ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.216.176.125 |
| AAAA | 1 | 2a03:4000:4f:106:: |
| NS | 3 | ns3.inwx.eu, ns2.inwx.de... |
| MX | 4 | mxext2.mailbox.org (pri: 10), mxext3.mailbox.org (pri: 10)... |
| SOA | 1 | ns.inwx.de hostmaster.inwx.de |
Analysis
Hierarchy
undefinedbehavior.de serves as the parent of git.undefinedbehavior.de.
IP Addresses
undefinedbehavior.de directs to two IP numbers, 185.216.176.125 and 2a03:4000:4f:106::
Name Servers
Three name servers are authoritative for undefinedbehavior.de: ns2.inwx.de, ns.inwx.de and ns3.inwx.eu.
undefinedbehavior.de has at least partial name server overlap with other domains, such as betaco.de, verbundserver.de, askimo.net and two others.
It is common to find these name servers paired with the name servers ns3.inwx.de, ns1.innogames.de, dns3.cloudns.net and dns4.cloudns.net.
ns2.inwx.de resolves to 176.97.158.104 and 2001:67c:10b8::104. ns.inwx.de resolves to 192.174.68.104 and 2001:67c:1bc::104. ns3.inwx.eu resolves to 45.87.158.53 and 2a02:d500::53. All three hostnames point to two IP numbers each.
Mail Servers
Four mail servers handle email for undefinedbehavior.de: mxext1.mailbox.org, mxext2.mailbox.org, mxext3.mailbox.org and mxext4.mailbox.org.
undefinedbehavior.de shares at least some of its mail servers with other domains — for example ns1.pheno-flags.com, lohne-lohnt-sich.de, altner.info and two more.
mxext1.mailbox.org, mxext2.mailbox.org, mxext3.mailbox.org and mxext4.mailbox.org all point to exactly two IP numbers each: mxext1.mailbox.org → 80.241.60.212 and 2001:67c:2050:104:0:1:25:1; mxext2.mailbox.org → 80.241.60.215 and 2001:67c:2050:104:0:2:25:1; mxext3.mailbox.org → 80.241.60.216 and 2001:67c:2050:104:0:3:25:1; mxext4.mailbox.org → 80.241.60.217 and 2001:67c:2050:104:0:4:25:1.