netmath.de - dns.ninja

netmath.de

DNSSEC⚠️ Not signed
A2001:638:208:ef2f:fc02:28ff:fe42:d7f0🇩🇪 DFN2001:638::/32 -V6-AGG1
A131.246.123.140🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN
NSns1.rptu.de ⭐
A2a03:63c0::53:1001🇩🇪 UNIKL2a03:63c0::/32 -V6-1
PTRns1.rptu.de
A131.246.9.117🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN
PTRns1.rptu.de
NSns2.rptu.de
A2a03:63c0::53:1002🇩🇪 UNIKL2a03:63c0::/32 -V6-1
PTRns2.rptu.de
A131.246.1.117🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN
PTRns2.rptu.de
MXmailgate2.uni-kl.de ⭐
A2001:638:208:120::209🇩🇪 DFN2001:638::/32 -V6-AGG1
PTRmailgate2.uni-kl.de
A131.246.120.209🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN
PTRmailgate2.uni-kl.de
MXmailgate1.uni-kl.de(10)
A2001:638:208:120::208🇩🇪 DFN2001:638::/32 -V6-AGG1
PTRmailgate1.uni-kl.de
A131.246.120.208🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN
PTRmailgate1.uni-kl.de
SOAns1.rptu.dehostmaster@uni-kl.de 2024-11-15 #77

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=1783199270

Same first word

netmath.de
netmath.net
netmath.org
netmath.ca
netmath.com

Similar names

tathmen.com
mathnet.at
antthem.com
ethanmt.com
hamnett.biz
tathmen.net
tmenath.de
mathnet.spb.ru
hamnett.com
hamnett.org
mathnet.info
hettman.com
mathnet.github.io
thetman.com
mtnheat.com
mathnet.ru
mathnet.or.kr
mathnet.am
mathnet.com
mathnet.eu
atnthem.com
mathnet.ch
mathnet.de
matthen.com
mathnet.gr
hamnett.net
mathnet.biz
matthen.github.io
mathnet.org

DNS History

13 records (6 active, 7 former)

20192020202120222023202420252026NSns1.rptu.dens2.rptu.dens1060.ui-dns.bizns1060.ui-dns.comns1060.ui-dns.dens1060.ui-dns.orgMXmailgate1.uni-kl.demailgate2.uni-kl.demx00.kundenserver.demx01.kundenserver.deA131.246.123.1402001:638:208:ef2f:fc02:28ff:fe42:d7f0131.246.123.145
●NSns1.rptu.de2026-02-20 → 2026-07-04 · 3 obs
○ 2018-08-29 07:52:58
● 2026-02-20 07:23:36
● 2026-07-04 21:32:36
○NSns1060.ui-dns.biz2018-08-29 → 2018-08-29 · 3 obs
● 2018-08-29 07:52:58
○ 2026-02-20 07:23:36
○ 2026-07-04 21:32:36
○NSns1060.ui-dns.com2018-08-29 → 2018-08-29 · 3 obs
● 2018-08-29 07:52:58
○ 2026-02-20 07:23:36
○ 2026-07-04 21:32:36
○NSns1060.ui-dns.de2018-08-29 → 2018-08-29 · 3 obs
● 2018-08-29 07:52:58
○ 2026-02-20 07:23:36
○ 2026-07-04 21:32:36
○NSns1060.ui-dns.org2018-08-29 → 2018-08-29 · 3 obs
● 2018-08-29 07:52:58
○ 2026-02-20 07:23:36
○ 2026-07-04 21:32:36
●NSns2.rptu.de2026-02-20 → 2026-07-04 · 3 obs
○ 2018-08-29 07:52:58
● 2026-02-20 07:23:36
● 2026-07-04 21:32:36
●MXmailgate1.uni-kl.de2026-02-20 → 2026-07-04 · 3 obs
○ 2018-08-29 07:52:58
● 2026-02-20 07:23:36
● 2026-07-04 21:32:36
●MXmailgate2.uni-kl.de2026-02-20 → 2026-07-04 · 3 obs
○ 2018-08-29 07:52:58
● 2026-02-20 07:23:36
● 2026-07-04 21:32:36
○MXmx00.kundenserver.de2018-08-29 → 2018-08-29 · 3 obs
● 2018-08-29 07:52:58
○ 2026-02-20 07:23:36
○ 2026-07-04 21:32:36
○MXmx01.kundenserver.de2018-08-29 → 2018-08-29 · 3 obs
● 2018-08-29 07:52:58
○ 2026-02-20 07:23:36
○ 2026-07-04 21:32:36
●A131.246.123.1402026-02-20 → 2026-07-04 · 3 obs
○ 2018-08-29 07:52:58
● 2026-02-20 07:23:36
● 2026-07-04 21:32:36
○A131.246.123.1452018-08-29 → 2018-08-29 · 3 obs
● 2018-08-29 07:52:58
○ 2026-02-20 07:23:36
○ 2026-07-04 21:32:36
●A2001:638:208:ef2f:fc02:28ff:fe42:d7f02026-02-20 → 2026-07-04 · 3 obs
○ 2018-08-29 07:52:58
● 2026-02-20 07:23:36
● 2026-07-04 21:32:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
netmath.dens2.rptu.de, ns1.rptu.de4 records

✅ Authoritative Response

Server:131.246.9.117

NS records: ns2.rptu.de, ns1.rptu.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netmath.de (unsigned zone)

⏱️ Timing

Total: 1211ms | Queries: -

📄 Records

TypeCountSample Data
A1131.246.123.140
AAAA12001:638:208:ef2f:fc02:28ff:fe42:d7f0
NS2ns1.rptu.de, ns2.rptu.de
MX2mailgate1.uni-kl.de (pri: 10), mailgate2.uni-kl.de (pri: 5)
SOA1ns1.rptu.de hostmaster.uni-kl.de

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.rptu.de, ns1.rptu.de, ns2.rptu.de...)

Analysis

IP Addresses

netmath.de resolves to the IP addresses 131.246.123.140 and 2001:638:208:ef2f:fc02:28ff:fe42:d7f0

netmath.de shares its IP numbers with other host names, including vcrp.de, webd.vcrp.de, elearningtag.de and vcrp-ecademy.de.

Name Servers

The NS records for netmath.de delegate to ns1.rptu.de and ns2.rptu.de.

netmath.de uses the same name servers as several other domains — among them architekturgalerie.org, german-lab.de, mensa-kl.com and two more.

netmath.de has at least partial name server overlap with other domains, such as ita-kl.de, 246.131.in-addr.arpa, 8.0.2.0.8.3.6.0.1.0.0.2.ip6.arpa and two others.

dns1.belwue.de, dns-3.dfn.de and dns-1.dfn.de — plus 6 other name servers — are commonly paired with these name servers.

ns1.rptu.de resolves to 131.246.9.117 and 2a03:63c0::53:1001. Likewise, ns2.rptu.de resolves to 131.246.1.117 and 2a03:63c0::53:1002 — two IP addresses apiece.

Mail Servers

Mail for netmath.de is handled by two mail servers — mailgate1.uni-kl.de and mailgate2.uni-kl.de.

netmath.de uses an identical mail server configuration to several other domains — among them vcrp-ecademy.de, datacenter-web-hosting-ipv4-0034.rhrk.uni-kl.de, bau42-mv-ag-mueller-ipv4-0023.mv.uni-kl.de and two more.

mailgate1.uni-kl.de resolves to 131.246.120.208 and 2001:638:208:120::208. Likewise, mailgate2.uni-kl.de resolves to 131.246.120.209 and 2001:638:208:120::209 — two IP addresses apiece.