preface-studie.de - robtex.com
preface-studie.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=1774613732 | ||||||
Same first word
preface-studie.de |
DNS History
5 records (5 active, 0 former)
●NSns1.rrze.uni-erlangen.de2015-06-18 → 2026-03-27 · 2 obs
● 2026-03-27 12:35:00
●NSns2.rrze.uni-erlangen.de2015-06-18 → 2026-03-27 · 2 obs
● 2026-03-27 12:35:00
●MXmx-rz-1.rrze.uni-erlangen.de2015-06-18 → 2026-03-27 · 2 obs
● 2026-03-27 12:35:00
●MXmx-rz-2.rrze.uni-erlangen.de2015-06-18 → 2026-03-27 · 2 obs
● 2026-03-27 12:35:00
●MXmx-rz-3.rrze.uni-erlangen.de2015-06-18 → 2026-03-27 · 5 obs
● 2015-11-05 10:57:54
○ 2016-01-24 19:19:10
● 2016-04-26 06:54:26
● 2026-03-27 12:35:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| preface-studie.de | ns1.rrze.uni-erlangen.de, ns2.rrze.uni-erlangen.de | 4 records |
✅ Authoritative Response
Server:131.188.3.2
NS records: ns1.rrze.uni-erlangen.de, ns2.rrze.uni-erlangen.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for preface-studie.de (unsigned zone)
⏱️ Timing
Total: 774ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.rrze.uni-erlangen.de, ns2.rrze.uni-erlangen.de |
| MX | 3 | mx-rz-2.rrze.uni-erlangen.de (pri: 10), mx-rz-1.rrze.uni-erlangen.de (pri: 10)... |
| SOA | 1 | ns1.rrze.uni-erlangen.de hostmaster.rrze |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.rrze.uni-erlangen.de, ns2.rrze.uni-erlangen.de, ns1.rrze.uni-erlangen.de...)
Analysis
Name Servers
preface-studie.de has two name servers: ns1.rrze.uni-erlangen.de and ns2.rrze.uni-erlangen.de.
preface-studie.de shares the same name server setup as other domains, for example university-nuernberg.de, wirtschaftspaedagogik.de, audiolabs-erlangen.de, pedref.org and uni-er.de.
preface-studie.de shares some name servers with other domains, for example university-tv.de, khby.de, 4.0.0.a.8.3.6.0.1.0.0.2.ip6.arpa, uni-nuernberg.de and 81.44.192.in-addr.arpa.
These name servers are often used together with dns-3.dfn.de, tuminfo1.informatik.tu-muenchen.de and dns-1.dfn.de.
Host names with four IP numbers:
ns1.rrze.uni-erlangen.de points to: 2001:638:a000:1001:53::1, 2001:638:a000:1055:53::1, 131.188.0.50 and 131.188.3.2.
Host names with two IP numbers:
ns2.rrze.uni-erlangen.de points to: 2001:638:a000:1054:53::2 and 131.188.12.100.
Mail Servers
preface-studie.de is handled by three mail servers: mx-rz-1.rrze.uni-erlangen.de, mx-rz-2.rrze.uni-erlangen.de and mx-rz-3.rrze.uni-erlangen.de.
preface-studie.de shares some mail servers with other domains, at least partially; for instance pharmakologie.uni-erlangen.de, lpmt130.biomed.uni-erlangen.de, med3.med.uni-erlangen.de, unishop-erlangen.de and mik.med.uni-erlangen.de.
these mail servers are often used together with the mail servers plato.fim.uni-erlangen.de, msbmt010.biomed.uni-erlangen.de, fautm60.ltm.uni-erlangen.de and brain.fablab.uni-erlangen.de.
Host names with two IP numbers:
mx-rz-1.rrze.uni-erlangen.de: 2001:638:a000:1025::14 and 131.188.11.20
mx-rz-2.rrze.uni-erlangen.de: 2001:638:a000:1025::15 and 131.188.11.21
mx-rz-3.rrze.uni-erlangen.de: 2001:638:a000:1025::16 and 131.188.11.22