sfb854.de - robtex.com

sfb854.de

DNSSEC⚠️ Not signed
NSdfnserv2.urz.uni-magdeburg.de ⭐
A141.44.1.2🇩🇪 DFN141.44.0.0/16
PTRdfnserv2.urz.uni-magdeburg.de
NSdfnserv1.urz.uni-magdeburg.de
A141.44.1.1🇩🇪 DFN141.44.0.0/16
PTRdfnserv1.urz.uni-magdeburg.de
NSdns-2.dfn.de
A2001:638:d:b102::1🇩🇪 DFN2001:638::/32 -V6-AGG1
PTRdns-2.dfn.de
A193.174.75.54🇩🇪 DFN193.174.0.0/15 -AGG-1
PTRdns-2.dfn.de
NSdns-3.dfn.de
A2001:638:d:b103::1🇩🇪 DFN2001:638::/32 -V6-AGG1
PTRdns-3.dfn.de
A193.174.75.58🇩🇪 DFN193.174.0.0/15 -AGG-1
PTRdns-3.dfn.de
MXa2501.mx.srv.dfn.de ⭐
A194.95.233.9🇩🇪 DFN194.94.0.0/15 -AGG-16
PTRa2501.mx.srv.dfn.de
MXb2501.mx.srv.dfn.de ⭐
A194.95.235.9🇩🇪 DFN194.94.0.0/15 -AGG-16
PTRb2501.mx.srv.dfn.de
MXc2501.mx.srv.dfn.de ⭐
A194.95.239.9🇩🇪 DFN194.94.0.0/15 -AGG-16
PTRc2501.mx.srv.dfn.de
TXTHARICA-Z2KD9ZDZfkcxENnu62u
TXTv=spf1 a:spf.ovgu.de ~all
SOAdfnserv2.urz.uni-magdeburg.dehostmaster@uni-magdeburg.de 2025-12-12 #0

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1776707556

Subdomains

www.sfb854.de

Same first word

sfb854.de

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSdfnserv1.urz.uni-magdeburg.dedfnserv2.urz.uni-magdeburg.dedns-2.dfn.dedns-3.dfn.dews-kar1.win-ip.dfn.dews-mue1.win-ip.dfn.deMXa2501.mx.srv.dfn.deb2501.mx.srv.dfn.dec2501.mx.srv.dfn.demx1.ovgu.demx2.ovgu.de
●NSdfnserv1.urz.uni-magdeburg.de2015-07-22 → 2026-04-20 · 2 obs
● 2015-07-22 05:41:40
● 2026-04-20 18:22:54
●NSdfnserv2.urz.uni-magdeburg.de2015-07-22 → 2026-04-20 · 2 obs
● 2015-07-22 05:41:40
● 2026-04-20 18:22:54
●NSdns-2.dfn.de2017-02-16 → 2026-04-20 · 3 obs
○ 2016-07-02 06:46:34
● 2017-02-16 12:52:52
● 2026-04-20 18:22:54
●NSdns-3.dfn.de2017-02-16 → 2026-04-20 · 3 obs
○ 2016-07-02 06:46:34
● 2017-02-16 12:52:52
● 2026-04-20 18:22:54
○NSws-kar1.win-ip.dfn.de2015-07-22 → 2016-07-02 · 4 obs
● 2015-07-22 05:41:40
● 2016-07-02 06:46:34
○ 2017-02-16 12:52:52
○ 2026-04-20 18:22:54
○NSws-mue1.win-ip.dfn.de2015-07-22 → 2016-07-02 · 4 obs
● 2015-07-22 05:41:40
● 2016-07-02 06:46:34
○ 2017-02-16 12:52:52
○ 2026-04-20 18:22:54
●MXa2501.mx.srv.dfn.de2026-04-20 → 2026-04-20 · 2 obs
○ 2017-02-16 12:52:52
● 2026-04-20 18:22:54
●MXb2501.mx.srv.dfn.de2026-04-20 → 2026-04-20 · 2 obs
○ 2017-02-16 12:52:52
● 2026-04-20 18:22:54
●MXc2501.mx.srv.dfn.de2026-04-20 → 2026-04-20 · 2 obs
○ 2017-02-16 12:52:52
● 2026-04-20 18:22:54
○MXmx1.ovgu.de2015-07-22 → 2016-07-02 · 4 obs
● 2015-07-22 05:41:40
● 2016-07-02 06:46:34
○ 2017-02-16 12:52:52
○ 2026-04-20 18:22:54
○MXmx2.ovgu.de2015-07-22 → 2016-07-02 · 4 obs
● 2015-07-22 05:41:40
● 2016-07-02 06:46:34
○ 2017-02-16 12:52:52
○ 2026-04-20 18:22:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
sfb854.dedns-2.dfn.de, dfnserv2.urz.uni-magdeburg.de, dfnserv1.urz.uni-magdeburg.de, dns-3.dfn.de2 records

✅ Authoritative Response

Server:193.174.75.58

NS records: dns-2.dfn.de, dfnserv2.urz.uni-magdeburg.de, dfnserv1.urz.uni-magdeburg.de, dns-3.dfn.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfb854.de (unsigned zone)

⏱️ Timing

Total: 1295ms | Queries: -

📄 Records

TypeCountSample Data
NS4dfnserv1.urz.uni-magdeburg.de, dfnserv2.urz.uni-magdeburg.de...
MX3c2501.mx.srv.dfn.de (pri: 10), a2501.mx.srv.dfn.de (pri: 10)...
TXT2v=spf1 a:spf.ovgu.de ~all, HARICA-Z2KD9ZDZfkcxENnu62u
SOA1dfnserv2.urz.uni-magdeburg.de hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dfnserv1.urz.uni-magdeburg.de, dfnserv2.urz.uni-magdeburg.de)

Analysis

Hierarchy

sfb854.de is a parent of www.sfb854.de.

Name Servers

sfb854.de is delegated to four name servers: dns-2.dfn.de, dns-3.dfn.de, dfnserv1.urz.uni-magdeburg.de and dfnserv2.urz.uni-magdeburg.de.

sfb854.de at least partially shares name servers with other domains, for instance hia.rwth-aachen.de, zibi-summersymposium.de, skd.museum, zaum-online.de and heureka.rwth-aachen.de.

These name servers are commonly used together with the name servers dns-1.dfn.de, zs1.rz.rwth-aachen.de, zs2.rz.rwth-aachen.de, deneb.dfn.de, chaplin.rz.uni-frankfurt.de, wattdenn.rz.uni-frankfurt.de, warumdenn.rz.uni-frankfurt.de, weshalbdenn.rz.uni-frankfurt.de, wiesodenn.rz.uni-frankfurt.de and adns1.zih.tu-dresden.de.

Two IP numbers per host:

Host dns-2.dfn.de points to 2001:638:d:b102::1 and 193.174.75.54.

Host dns-3.dfn.de points to 2001:638:d:b103::1 and 193.174.75.58.

One IP number per host:

Host dfnserv1.urz.uni-magdeburg.de points to 141.44.1.1.

Host dfnserv2.urz.uni-magdeburg.de points to 141.44.1.2.

Mail Servers

sfb854.de is handled by three mail servers: a2501.mx.srv.dfn.de, b2501.mx.srv.dfn.de and c2501.mx.srv.dfn.de.

sfb854.de shares mail servers with other domains at least in part, for instance ub.uni-magdeburg.de, trans-port.net, st.uni-magdeburg.de, ww.uni-magdeburg.de and studentenwerk-magdeburg.de.

Host names with one IP number:

a2501.mx.srv.dfn.de points to 194.95.233.9.

b2501.mx.srv.dfn.de points to 194.95.235.9.

c2501.mx.srv.dfn.de points to 194.95.239.9.