mathstudy.dev - dns.ninja

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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.tech
mathstudy.help

Similar names

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

Previous names

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Next names

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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 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●NSvida.ns.cloudflare.com2026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●MXroute1.mx.cloudflare.net2026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●MXroute2.mx.cloudflare.net2026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●MXroute3.mx.cloudflare.net2026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A185.199.108.1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A185.199.109.1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A185.199.110.1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A185.199.111.1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A2606:50c0:8000::1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A2606:50c0:8001::1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A2606:50c0:8002::1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54
●A2606:50c0:8003::1532026-08-29 → 2026-09-05 · 2 obs
● 2026-08-29 06:54:14
● 2026-09-05 09:49:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.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: 587ms | Queries: -

📄 Records

TypeCountSample Data
A4185.199.109.153, 185.199.108.153...
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

With 8 IP addresses in total, mathstudy.dev resolves to 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Among the host names that share IP numbers with mathstudy.dev are reali.ch, chhaytech009-boop.github.io, agenticswimlanes.com and two others.

Name Servers

Two name servers handle the delegation for mathstudy.dev: fred.ns.cloudflare.com and vida.ns.cloudflare.com.

mathstudy.dev has the same name server delegation as a number of other domains, such as amirzamani2126.workers.dev, xabin.me, lasergameinfo.com and two more.

mathstudy.dev partially shares its NS delegation with several other domains, including noindex-pedangwindua.com, karel-c22.workers.dev, tv-8qb.pages.dev and two others.

The name servers daisy.ns.cloudflare.com, fatima.ns.cloudflare.com, magali.ns.cloudflare.com and elsa.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

fred.ns.cloudflare.com resolves to 108.162.193.113, 172.64.33.113 and 173.245.59.113 among others, with 3 other IP addresses in total.

vida.ns.cloudflare.com resolves to 108.162.192.236, 172.64.32.236 and 173.245.58.236 among others, with 3 other IP addresses in total.

Mail Servers

mathstudy.dev uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

mathstudy.dev shares at least some of its mail servers with other domains — for example oxiplus.vn, jonaswrightphoto.com, superviseur-xr.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.