mathproblem.org - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mathproblem.org

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:21fc🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9812🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.33.252Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.18🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScharles.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b53🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A2803:f800:50::6ca2:c153🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcharles.ns.cloudflare.com
A2a06:98c1:50::ac40:2153🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcharles.ns.cloudflare.com
A108.162.193.83🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A172.64.33.83🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A173.245.59.83🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
NSgrannbo.ns.cloudflare.com
A2606:4700:50::a29f:2696🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
A2803:f800:50::6ca2:c296🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgrannbo.ns.cloudflare.com
A2a06:98c1:50::ac40:2296🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgrannbo.ns.cloudflare.com
A108.162.194.150🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
A162.159.38.150Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
A172.64.34.150🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrannbo.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.33.252, 172.67.152.18
IPv6 hints2606:4700:3035::6815:21fc, 2606:4700:3037::ac43:9812
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOAcharles.ns.cloudflare.comdns@cloudflare.com serial=2414830060

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1789784410

Same first word

mathproblem.altervista.org
mathproblem.org
mathproblem.net
mathproblem.com

Previous names

mathpod.org
mathpodcast.org
mathpoint.org
mathpolitics.org
mathport.org
mathportal.org
mathpotentials.org
mathpower.org
mathpowers.org
mathpractice.org
mathpracticer.org
mathpracticetest.org
mathprep.org
mathprepa.org
mathprince.org
mathprint.org
mathprints.org
mathpro.org

Next names

mathproblems-ks.org
mathproblems.org
mathprod.org
mathprof.org
mathprofs.org
mathprog.org
mathprogramming.org
mathprograms.org
mathproinc.org
mathproject.org
mathprojects.org
mathproof.org
mathpros.org
mathprotege.org
mathps.org
mathpsy.org
mathpsych.org

DNS History

6 records (6 active, 0 former)

NScharles.ns.cloudflare.comgrannbo.ns.cloudflare.comA104.21.33.252172.67.152.182606:4700:3035::6815:21fc2606:4700:3037::ac43:9812
●NScharles.ns.cloudflare.com2026-09-17 → 2026-09-19 · 2 obs
● 2026-09-17 02:43:42
● 2026-09-19 02:40:30
●NSgrannbo.ns.cloudflare.com2026-09-17 → 2026-09-19 · 2 obs
● 2026-09-17 02:43:42
● 2026-09-19 02:40:30
●A104.21.33.2522026-09-17 → 2026-09-19 · 2 obs
● 2026-09-17 02:43:42
● 2026-09-19 02:40:30
●A172.67.152.182026-09-17 → 2026-09-19 · 2 obs
● 2026-09-17 02:43:42
● 2026-09-19 02:40:30
●A2606:4700:3035::6815:21fc2026-09-17 → 2026-09-19 · 2 obs
● 2026-09-17 02:43:42
● 2026-09-19 02:40:30
●A2606:4700:3037::ac43:98122026-09-17 → 2026-09-19 · 2 obs
● 2026-09-17 02:43:42
● 2026-09-19 02:40:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
mathproblem.orggrannbo.ns.cloudflare.com, charles.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.83

NS records: grannbo.ns.cloudflare.com, charles.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathproblem.org (unsigned zone)

⏱️ Timing

Total: 672ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.18, 104.21.33.252
AAAA22606:4700:3035::6815:21fc, 2606:4700:3037::ac43:9812
NS2charles.ns.cloudflare.com, grannbo.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1charles.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

mathproblem.org resolves to four IP addresses: 104.21.33.252, 172.67.152.18, 2606:4700:3035::6815:21fc and 2606:4700:3037::ac43:9812.

Additional host names — nouriza.com, prefirodelivery.net, 40358.cn and two others — share IP numbers with mathproblem.org.

Name Servers

mathproblem.org is delegated to two name servers: charles.ns.cloudflare.com and grannbo.ns.cloudflare.com.

mathproblem.org shares its name server setup with other domains, including 6968603.workers.dev, micronekoch.workers.dev, inlimbo.app and two others.

mathproblem.org has at least partial name server overlap with other domains, such as cybersmart.kiwi, afkarxyz.pages.dev, lucky-winnings.com and two others.

It is common to see these name servers used together with name servers norm.ns.cloudflare.com and piper.ns.cloudflare.com.

Host names with 6 IP numbers:

charles.ns.cloudflare.com resolves to 108.162.193.83, 172.64.33.83, 173.245.59.83 and 3 other IP addresses.

grannbo.ns.cloudflare.com resolves to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 other IP addresses.