mathstudy.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mathstudy.dev

DNSSEC⚠️ Not signed
A2606:50c0:8000::153🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8001::153🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8002::153🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8003::153🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24
A185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24
A185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24
A185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24
NSfred.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfred.ns.cloudflare.com
A2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfred.ns.cloudflare.com
A108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
NSvida.ns.cloudflare.com
A2606:4700:50::adf5:3aec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvida.ns.cloudflare.com
A2803:f800:50::6ca2:c0ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvida.ns.cloudflare.com
A2a06:98c1:50::ac40:20ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvida.ns.cloudflare.com
A108.162.192.236🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvida.ns.cloudflare.com
A172.64.32.236🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvida.ns.cloudflare.com
A173.245.58.236🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvida.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute1.mx.cloudflare.net(86)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(96)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
TXTgoogle-site-verification=mBRcjR7yN_WPmHl83Zpaw3Nx_Q1-jB2VnAo_aCrRfs0
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
SOAfred.ns.cloudflare.comdns@cloudflare.com serial=2410770962

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

mathstudy.com
mathstudy.jp
mathstudy.in
mathstudy.dev
mathstudy.kz
mathstudy.tech
mathstudy.help
mathstudy.network

Similar names

studymath.net
studymath.buzz
studymath.in
studymath.academy
studymath.top
studymath.space

Previous names

mathisparpette.dev
mathix.dev
mathless.dev
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mathops.dev
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mathpage.dev
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mathroda.dev
mathrules.dev
mathsantos.dev
mathscircle.dev
mathsee.dev
mathspy.dev

Next names

mathsystem.dev
mathur.dev
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mathusan.dev
mathuse.dev
mathvisualized.dev
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DNS History

13 records (13 active, 0 former)

NSfred.ns.cloudflare.comvida.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA185.199.108.153185.199.109.153185.199.110.153185.199.111.1532606:50c0:8000::1532606:50c0:8001::1532606:50c0:8002::1532606:50c0:8003::153
●NSfred.ns.cloudflare.com2026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●NSvida.ns.cloudflare.com2026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●MXroute1.mx.cloudflare.net2026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●MXroute2.mx.cloudflare.net2026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●MXroute3.mx.cloudflare.net2026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A185.199.108.1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A185.199.109.1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A185.199.110.1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A185.199.111.1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A2606:50c0:8000::1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A2606:50c0:8001::1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A2606:50c0:8002::1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14
●A2606:50c0:8003::1532026-08-29 → 2026-09-10 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-10 08:13:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
mathstudy.devvida.ns.cloudflare.com, fred.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.236

NS records: vida.ns.cloudflare.com, fred.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathstudy.dev (unsigned zone)

⏱️ Timing

Total: 791ms | Queries: -

📄 Records

TypeCountSample Data
A4185.199.109.153, 185.199.111.153...
AAAA42606:50c0:8001::153, 2606:50c0:8000::153...
NS2fred.ns.cloudflare.com, vida.ns.cloudflare.com
MX3route3.mx.cloudflare.net (pri: 64), route1.mx.cloudflare.net (pri: 86)...
TXT2google-site-verification=mBRcjR7yN_WPmHl, v=spf1 include:_spf.mx.cloudflare.net ~a
SOA1fred.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

mathstudy.dev directs to 8 IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Two other host names, along with reali.ch, chhaytech009-boop.github.io and leahdgarber.com, also share IP numbers with mathstudy.dev.

Name Servers

mathstudy.dev uses two name servers for its delegation: fred.ns.cloudflare.com and vida.ns.cloudflare.com.

mathstudy.dev shares its NS records with other domains, for example amirzamani2126.workers.dev, xabin.me, lasergameinfo.com and two others.

mathstudy.dev shares at least some of its name servers with other domains, including reconquistabrand.us, sheng-snav.pages.dev, noindex-pedangwindua.com and two others.

These name servers are frequently seen alongside the name servers daisy.ns.cloudflare.com, fatima.ns.cloudflare.com, magali.ns.cloudflare.com and elsa.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname fred.ns.cloudflare.com directs to 108.162.193.113, 172.64.33.113 and 173.245.59.113 along with 3 other IP addresses.

Hostname vida.ns.cloudflare.com directs to 108.162.192.236, 172.64.32.236 and 173.245.58.236 along with 3 other IP addresses.

Mail Servers

mathstudy.dev is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between mathstudy.dev and other domains, including oxiplus.vn, jonaswrightphoto.com, superviseur-xr.com and two others.

DNS names with 6 IP addresses:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.