mathnotes.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mathnotes.dev

DNSSEC⚠️ Not signed
NSdns1.registrar-servers.com ⚠️ Not in zone NS records
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com ⚠️ Not in zone NS records
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com

dev

DNSSEC⚠️ Not signed
NSns-tld1.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld2.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld3.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld4.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld5.charlestonroadregistry.com ⚠️ Not in zone NS records
🔒 HSTS Preload (+subdomains)

Same first word

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

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mathijsdegroot.dev
mathilda.dev
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mathng.dev

Next names

mathoholic.dev
mathom.dev
mathon.dev
mathops.dev
mathopt.dev
mathotech.dev
mathpage.dev
mathpholio.dev
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DNS History

5 records (2 active, 3 former)

NSdns1.registrar-servers.comdns2.registrar-servers.comMXmx1.privateemail.commx2.privateemail.comA162.255.119.164
●NSdns1.registrar-servers.com2026-09-10 → 2026-09-12 · 2 obs
● 2026-09-10 13:10:08
● 2026-09-12 21:18:16
●NSdns2.registrar-servers.com2026-09-10 → 2026-09-12 · 2 obs
● 2026-09-10 13:10:08
● 2026-09-12 21:18:16
○MXmx1.privateemail.com2026-09-10 → 2026-09-10 · 3 obs
● 2026-09-10 13:10:08
○ 2026-09-12 20:53:50
○ 2026-09-12 21:18:16
○MXmx2.privateemail.com2026-09-10 → 2026-09-10 · 3 obs
● 2026-09-10 13:10:08
○ 2026-09-12 20:53:50
○ 2026-09-12 21:18:16
○A162.255.119.1642026-09-10 → 2026-09-10 · 3 obs
● 2026-09-10 13:10:08
○ 2026-09-12 20:53:50
○ 2026-09-12 21:18:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...-
mathnotes.devdns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnotes.dev (unsigned zone)

⏱️ Timing

Total: 283ms | Queries: -

📄 Records

TypeCountSample Data
A1162.255.119.164
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX2mx1.privateemail.com (pri: 10), mx2.privateemail.com (pri: 10)
TXT1v=spf1 include:spf.privateemail.com ~all
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

Name Servers

mathnotes.dev has two authoritative name servers — dns1.registrar-servers.com and dns2.registrar-servers.com.

The name server configuration of mathnotes.dev is shared with other domains, for instance rentmiyo.com, schematicpro.com, ohiobarndobuilders.com and two others.

Both dns1.registrar-servers.com and dns2.registrar-servers.com have two IP addresses each. dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200; dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200.