rfhcampus.de - robtex.com
rfhcampus.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ans1.rh-koeln.de ⭐ | ||||||
| A | 195.37.23.3🇩🇪 DFN195.37.0.0/16 -AGG-3 | ||||||
| NS | ans2.rh-koeln.de | ||||||
| A | 195.37.18.84🇩🇪 DFN195.37.0.0/16 -AGG-3 | ||||||
| PTR | ans2.rh-koeln.de | ||||||
| NS | deneb.dfn.de | ||||||
| A | 2001:638:800:1::9🇩🇪 DFN2001:638::/32 -V6-AGG1 | ||||||
| PTR | deneb.dfn.de | ||||||
| A | 192.76.176.9🇺🇸 DFN192.76.176.0/24 ZPL-NET | ||||||
| PTR | deneb.dfn.de | ||||||
| MX | mail.rfhcampus.de ⭐ | ||||||
| SOA | ans1.rh-koeln.derz@rfh-koeln.de 2025-12-16 #4 | ||||||
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=1777317186 | ||||||
Subdomains
www.rfhcampus.de |
Same first word
rfhcampus.de |
Similar names
DNS History
7 records (4 active, 3 former)
●NSans1.rh-koeln.de2026-04-08 → 2026-04-27 · 3 obs
● 2026-04-08 04:05:24
● 2026-04-27 19:38:10
●NSans2.rh-koeln.de2026-04-08 → 2026-04-27 · 3 obs
● 2026-04-08 04:05:24
● 2026-04-27 19:38:10
○NSdns1.rfh-koeln.de2015-06-22 → 2017-02-05 · 4 obs
● 2017-02-05 03:31:16
○ 2026-04-08 04:05:24
○ 2026-04-27 19:38:10
○NSdns2.rfh-koeln.de2015-06-22 → 2017-02-05 · 4 obs
● 2017-02-05 03:31:16
○ 2026-04-08 04:05:24
○ 2026-04-27 19:38:10
●MXmail.rfhcampus.de2015-06-22 → 2026-04-27 · 2 obs
● 2026-04-27 19:38:10
○A195.37.20.1352015-06-22 → 2017-02-05 · 4 obs
● 2017-02-05 03:31:16
○ 2026-04-08 04:05:24
○ 2026-04-27 19:38:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rfhcampus.de | ans2.rh-koeln.de, deneb.dfn.de, ans1.rh-koeln.de | 2 records |
✅ Authoritative Response
Server:195.37.18.84
NS records: ans2.rh-koeln.de, deneb.dfn.de, ans1.rh-koeln.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rfhcampus.de (unsigned zone)
⏱️ Timing
Total: 1346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | deneb.dfn.de, ans1.rh-koeln.de... |
| MX | 1 | mail.rfhcampus.de (pri: 10) |
| SOA | 1 | ans1.rh-koeln.de rz.rfh-koeln.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ans2.rh-koeln.de, ans1.rh-koeln.de)
Analysis
Hierarchy
rfhcampus.de is the parent of www.rfhcampus.de.
Name Servers
rfhcampus.de is delegated to three name servers deneb.dfn.de, ans1.rh-koeln.de and ans2.rh-koeln.de.
rfhcampus.de at least partially shares name servers with other domains, for instance diw.de, 192.94.194.in-addr.arpa, imani-project.eu, bauhauskooperation.de and wettergefahren.de.
These name servers are commonly used with the following name servers: dns-1.dfn.de, dns-3.dfn.de, dns-2.dfn.de, rzdnsprime.rz.tu-bs.de, rzdnssecond.rz.tu-bs.de, dnsisp1.dwd.de, dnsisp2.dwd.de, ibcluster.dmz5.local, dn(0x736578)tgm.dwd.de and ns1.uni-halle.de.
Host names with two IPs:
deneb.dfn.de points to: 2001:638:800:1::9 and 192.76.176.9.
Host names with one IP:
ans1.rh-koeln.de points to: 195.37.23.3.
ans2.rh-koeln.de points to: 195.37.18.84.
Mail Servers
rfhcampus.de is handled by a single mail server, mail.rfhcampus.de.