join2.de - dns.ninja
join2.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.181.3.180🇩🇪 GSI140.181.0.0/16 | ||||||
| PTR | lxwiki10.gsi.de | ||||||
| NS | lxdns1.gsi.de ⭐ | ||||||
| A | 140.181.96.11🇩🇪 GSI140.181.0.0/16 | ||||||
| PTR | lxdns1.gsi.de | ||||||
| NS | dns-2.dfn.de | ||||||
| A | 2001:638:d:b102::1🇩🇪 DFN2001:638::/32 -V6-AGG1 | ||||||
| PTR | dns-2.dfn.de | ||||||
| A | 193.174.75.54🇩🇪 DFN193.174.0.0/15 -AGG-1 | ||||||
| PTR | dns-2.dfn.de | ||||||
| NS | dns-3.dfn.de | ||||||
| A | 2001:638:d:b103::1🇩🇪 DFN2001:638::/32 -V6-AGG1 | ||||||
| PTR | dns-3.dfn.de | ||||||
| A | 193.174.75.58🇩🇪 DFN193.174.0.0/15 -AGG-1 | ||||||
| PTR | dns-3.dfn.de | ||||||
| NS | lxdns2.gsi.de | ||||||
| A | 140.181.96.29🇩🇪 GSI140.181.0.0/16 | ||||||
| PTR | lxdns2.gsi.de | ||||||
| MX | a2841.mx.srv.dfn.de ⭐ | ||||||
| A | 194.95.233.69🇩🇪 DFN194.94.0.0/15 -AGG-16 | ||||||
| PTR | a2841.mx.srv.dfn.de | ||||||
| MX | b2841.mx.srv.dfn.de ⭐ | ||||||
| A | 194.95.235.69🇩🇪 DFN194.94.0.0/15 -AGG-16 | ||||||
| PTR | b2841.mx.srv.dfn.de | ||||||
| MX | c2841.mx.srv.dfn.de ⭐ | ||||||
| A | 194.95.239.69🇩🇪 DFN194.94.0.0/15 -AGG-16 | ||||||
| PTR | c2841.mx.srv.dfn.de | ||||||
| SOA | lxdns1.gsi.delinux-service@gsi.de serial=1780306311 | ||||||
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=1784958812 | ||||||
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
●MXa2841.mx.srv.dfn.de2026-05-30 → 2026-07-25 · 3 obs
● 2026-05-30 00:49:20
● 2026-07-25 06:19:12
●MXb2841.mx.srv.dfn.de2026-05-30 → 2026-07-25 · 3 obs
● 2026-05-30 00:49:20
● 2026-07-25 06:19:12
●MXc2841.mx.srv.dfn.de2026-05-30 → 2026-07-25 · 3 obs
● 2026-05-30 00:49:20
● 2026-07-25 06:19:12
○MXlxmtin1.gsi.de2026-04-27 → 2026-05-15 · 4 obs
● 2026-05-15 13:22:00
○ 2026-05-30 00:49:20
○ 2026-07-25 06:19:12
○MXlxmtin2.gsi.de2026-04-27 → 2026-05-15 · 4 obs
● 2026-05-15 13:22:00
○ 2026-05-30 00:49:20
○ 2026-07-25 06:19:12
○MXlxmtin3.gsi.de2026-04-27 → 2026-05-30 · 4 obs
● 2026-05-30 00:49:20
○ 2026-07-25 06:19:10
○ 2026-07-25 06:19:12
○MXlxmtin4.gsi.de2026-04-27 → 2026-05-30 · 4 obs
● 2026-05-30 00:49:20
○ 2026-07-25 06:19:10
○ 2026-07-25 06:19:12
●A140.181.3.1802026-04-27 → 2026-07-25 · 2 obs
● 2026-07-25 06:19:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| join2.de | lxdns1.gsi.de, lxdns2.gsi.de, dns-2.dfn.de, dns-3.dfn.de | 2 records |
✅ Authoritative Response
Server:193.174.75.54
NS records: lxdns1.gsi.de, lxdns2.gsi.de, dns-2.dfn.de, dns-3.dfn.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for join2.de (unsigned zone)
⏱️ Timing
Total: 1190ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.181.3.180 |
| NS | 4 | dns-3.dfn.de, lxdns1.gsi.de... |
| MX | 3 | c2841.mx.srv.dfn.de (pri: 10), b2841.mx.srv.dfn.de (pri: 10)... |
| SOA | 1 | lxdns1.gsi.de linux-service.gsi.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (lxdns2.gsi.de, lxdns1.gsi.de)
Analysis
IP Addresses
join2.de points to a single IP number: 140.181.3.180.
lxwiki10.gsi.de is an example of another host name that shares IP numbers with join2.de.
Name Servers
join2.de has four authoritative name servers: dns-2.dfn.de, dns-3.dfn.de, lxdns1.gsi.de and lxdns2.gsi.de.
At least some of join2.de's name servers are shared with other domains, for example mzb.uni-frankfurt.de, hausderastronomie.net, hochschulefulda.de and two more.
These name servers tend to co-occur with dns-1.dfn.de, zs1.rz.rwth-aachen.de, zs2.rz.rwth-aachen.de and 7 other name servers in the same DNS delegations.
Host names with two IP numbers:
dns-2.dfn.de resolves to 193.174.75.54 and 2001:638:d:b102::1.
dns-3.dfn.de resolves to 193.174.75.58 and 2001:638:d:b103::1.
Host names pointing to a single IP address:
lxdns1.gsi.de resolves to 140.181.96.11.
lxdns2.gsi.de resolves to 140.181.96.29.
Mail Servers
The MX records for join2.de list three mail servers: a2841.mx.srv.dfn.de, b2841.mx.srv.dfn.de and c2841.mx.srv.dfn.de.
join2.de shares mail servers — at least in part — with other domains, including opentransfer.eu, gsi.de, superheavies.de and two others.
It is common to find these mail servers used together with the mail servers lxmtin3.gsi.de and lxmtin4.gsi.de.
Each of the three hostnames points to exactly one IP address: a2841.mx.srv.dfn.de points to 194.95.233.69, b2841.mx.srv.dfn.de points to 194.95.235.69 and c2841.mx.srv.dfn.de points to 194.95.239.69.