physics4u.de - robtex.com

physics4u.de

DNSSEC⚠️ Not signed
A91.233.85.214🇩🇪 IPB91.233.84.0/22 -1blu-PI
PTRcluster.b85.w3w.de
NSns1.prodns.de ⭐
A13.248.213.54🇺🇸 Amazon13.248.208.0/20
PTRa93aba133e46b51cd.awsglobalaccelerator.com
NSns2.prodns.de
A87.238.197.120🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK
PTR120.197.238.87.in-addr.arpa
NSns3.prodns.de
A136.243.102.23🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3
PTR23.102.243.136.in-addr.arpa
MXmail.physics4u.de ⭐
A91.233.85.210🇩🇪 IPB91.233.84.0/22 -1blu-PI
PTRhostmx1bln2.prossl.de
TXTv=spf1 a mx ip4:91.233.84.0/22 ~all
SOAns1.prodns.dednsmaster@prodns.de 2025-05-18 #1

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=1776193233

Subdomains

mail.physics4u.de

Same first word

physics4u.com
physics4u.de
physics4u.gr

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSns1.prodns.dens2.prodns.dens3.prodns.deMXmail.physics4u.deA91.233.85.21491.233.85.212
●NSns1.prodns.de2015-06-20 → 2026-04-14 · 2 obs
● 2015-06-20 13:10:18
● 2026-04-14 19:29:52
●NSns2.prodns.de2015-06-20 → 2026-04-14 · 2 obs
● 2015-06-20 13:10:18
● 2026-04-14 19:29:52
●NSns3.prodns.de2015-06-20 → 2026-04-14 · 2 obs
● 2015-06-20 13:10:18
● 2026-04-14 19:29:52
●MXmail.physics4u.de2015-06-20 → 2026-04-14 · 2 obs
● 2015-06-20 13:10:18
● 2026-04-14 19:29:52
○A91.233.85.2122015-06-20 → 2017-01-10 · 4 obs
● 2015-06-20 13:10:18
● 2017-01-10 07:41:46
○ 2026-04-14 06:00:30
○ 2026-04-14 19:29:52
●A91.233.85.2142026-04-14 → 2026-04-14 · 3 obs
○ 2017-01-10 07:41:46
● 2026-04-14 06:00:30
● 2026-04-14 19:29:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
physics4u.dens3.prodns.de, ns2.prodns.de, ns1.prodns.de2 records

✅ Authoritative Response

Server:13.248.213.54

NS records: ns3.prodns.de, ns2.prodns.de, ns1.prodns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for physics4u.de (unsigned zone)

⏱️ Timing

Total: 927ms | Queries: -

📄 Records

TypeCountSample Data
A191.233.85.214
NS3ns3.prodns.de, ns2.prodns.de...
MX1mail.physics4u.de (pri: 10)
TXT1v=spf1 a mx ip4:91.233.84.0/22 ~all
SOA1ns1.prodns.de dnsmaster.prodns.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.prodns.de, ns1.prodns.de)

Analysis

Hierarchy

physics4u.de is the parent of mail.physics4u.de.

IP Addresses

physics4u.de points to a single IP number: 91.233.85.214.

other host names for instance eplc.biz, roenitzsch.de, dres-kurze.de, caracool.at and kweimar.net share IP numbers with physics4u.de.

Name Servers

physics4u.de is delegated to three name servers: ns1.prodns.de, ns2.prodns.de and ns3.prodns.de.

physics4u.de at least partially shares name servers with other domains, for instance krummidrive.ch, ericwaha.de, duboiswoodfloors.com, sw-mediendesign.de and internisten-muenster.de.

These name servers are commonly used alongside the name servers ns2.prodns.eu, ns5.prodns.de, ns4.prodns.eu, ns1.w3w.de and ns2.w3w.info.

Host names with one IP number:

ns1.prodns.de points to 13.248.213.54.

ns2.prodns.de points to 87.238.197.120.

ns3.prodns.de points to 136.243.102.23.

Mail Servers

physics4u.de is handled by a single mail server, mail.physics4u.de.

Host name mail.physics4u.de points to IP address 91.233.85.210.