mathnotes.de - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mathnotes.de

DNSSEC⚠️ Not signed
A91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl1.sedo.com ⭐
A91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl2.sedo.com
A91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
MXlocalhost ⭐
TXTv=spf1 -all
SOAsl1.sedo.comhostmaster@sedo.de 2018-05-16 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net
NSn.de.net
NSs.de.net
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1789354010

Same first word

mathnotes.live
mathnotes.net
mathnotes.xyz
mathnotes.top
mathnotes.pages.dev
mathnotes.com
mathnotes.cc
mathnotes.org
mathnotes.us
mathnotes.io
mathnotes.de
mathnotes.uk
mathnotes.icu
mathnotes.dev
mathnotes.dedyn.io

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stemathon.ca
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themontas.com
thomasnet.be
onthemats.com.au
thomasnet.io
tahmstone.com
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Previous names

mathman.de
mathmania.de
mathmann-online.de
mathmarketing.de
mathmates.de
mathmatters.de
mathmax.de
mathme.de
mathmind.de
mathminds.de
mathml-association.de
mathml.de
mathmobile.de
mathmos.de
mathmotion.de
mathmotors.de
mathmysteries.de
mathnasium.de
mathnat.de
mathnet.de

Next names

mathnugs.de
matho-alu-schmuck.de
matho-aluschmuck.de
matho-cantus.de
matho-center.de
matho-cms.de
matho-finance.de
matho-powertrain.de
matho.de
mathocms.de
mathod.de
mathods.de
mathoe.de
mathoele.de
mathofer.de
mathoid.de
mathoka.de
mathol-racing.de
mathol.de
mathology.de

DNS History

4 records (4 active, 0 former)

NSsl1.sedo.comsl2.sedo.comMXlocalhostA91.195.241.232
●NSsl1.sedo.com2026-09-07 → 2026-09-14 · 2 obs
● 2026-09-07 02:19:06
● 2026-09-14 03:20:52
●NSsl2.sedo.com2026-09-07 → 2026-09-14 · 2 obs
● 2026-09-07 02:19:06
● 2026-09-14 03:20:52
●MXlocalhost2026-09-07 → 2026-09-14 · 2 obs
● 2026-09-07 02:19:06
● 2026-09-14 03:20:52
●A91.195.241.2322026-09-07 → 2026-09-14 · 2 obs
● 2026-09-07 02:19:06
● 2026-09-14 03:20:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, l.de.net, n.de.net...12 records
mathnotes.desl2.sedo.com, sl1.sedo.com-

✅ Authoritative Response

Server:91.195.240.173

NS records: sl2.sedo.com, sl1.sedo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnotes.de (unsigned zone)

⏱️ Timing

Total: 823ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2sl2.sedo.com, sl1.sedo.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1sl1.sedo.com hostmaster.sedo.de

📌 Glue Records Collected

Total: 12

In-bailiwick: 6 (a.nic.de, a.nic.de, f.nic.de...)

Out-of-bailiwick: 6 (l.de.net, l.de.net, n.de.net...)

Analysis

IP Addresses

mathnotes.de resolves to just one IP address, 91.195.241.232.

Two other host names, along with updrive.de, lasvegas.amsterdam and sochat.de, also share IP numbers with mathnotes.de.

Name Servers

DNS delegation for mathnotes.de points to two name servers: sl1.sedo.com and sl2.sedo.com.

mathnotes.de shares its NS records with other domains, for example purevitamins.de, ethereumruler.xyz, virtualconsultant.de and two others.

mathnotes.de has partial name server overlap with other domains, including 1stforgames.co.uk.

sl1.sedo.com resolves to 91.195.240.173. sl2.sedo.com resolves to 91.195.241.173. Both host names point to a single IP number.

Mail Servers

The sole mail server for mathnotes.de is localhost.

Among the domains sharing a mail server setup with mathnotes.de are pawgo.de, limeanchor.de, mychecklist.de and two others.