mathgrading.app - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mathgrading.app

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3f75🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:9174🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.117Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.116🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkarl.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
A2803:f800:50::6ca2:c1be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkarl.ns.cloudflare.com
A2a06:98c1:50::ac40:21be🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkarl.ns.cloudflare.com
A108.162.193.190🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
A172.64.33.190🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
A173.245.59.190🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarl.ns.cloudflare.com
NSthea.ns.cloudflare.com
A2606:4700:50::a29f:26f7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A2803:f800:50::6ca2:c2f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRthea.ns.cloudflare.com
A2a06:98c1:50::ac40:22f7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRthea.ns.cloudflare.com
A108.162.194.247🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A162.159.38.247Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
A172.64.34.247🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthea.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.117, 172.67.145.116
IPv6 hints2606:4700:3032::6815:3f75, 2606:4700:3034::ac43:9174
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOAkarl.ns.cloudflare.comdns@cloudflare.com serial=2415859065

app

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=101427
🔒 HSTS Preload (+subdomains)

Same first word

mathgrading.app
mathgrading.com

Similar names

haggardmint.xyz
mthinggaard.dk
dragginmath.com
hmagtrading.us
maghtrading.com
minthaggard.xyz
mthinggaard.com

Previous names

mathforkids.app
mathfoundry.app
mathfox.app
mathfu.app
mathfun.app
mathfun4kids.app
mathfury.app
mathfy.app
mathgame.app
mathgameapp.app
mathgames.app
mathgate.app
mathgems.app
mathgen.app
mathgenie.app
mathgenius.app
mathgero.app
mathglasses.app
mathgoat.app
mathgpt.app

Next names

mathgraph.app
mathgrellic.app
mathgrid.app
mathgrove.app
mathgrow.app
mathguide.app
mathgym.app
mathhammer.app
mathhelper.app
mathhero.app
mathi.app
mathia.app
mathias-server.app
mathias.app
mathiasson.app
mathic.app
mathical.app
mathieson.app
mathiesonfamily.app
mathieu.app

DNS History

6 records (6 active, 0 former)

NSkarl.ns.cloudflare.comthea.ns.cloudflare.comA104.21.63.117172.67.145.1162606:4700:3032::6815:3f752606:4700:3034::ac43:9174
●NSkarl.ns.cloudflare.com2026-09-21 → 2026-10-23 · 2 obs
● 2026-09-21 00:19:12
● 2026-10-23 03:19:34
●NSthea.ns.cloudflare.com2026-09-21 → 2026-10-23 · 2 obs
● 2026-09-21 00:19:12
● 2026-10-23 03:19:34
●A104.21.63.1172026-09-26 → 2026-10-23 · 2 obs
● 2026-09-26 16:34:02
● 2026-10-23 03:19:34
●A172.67.145.1162026-09-26 → 2026-10-23 · 2 obs
● 2026-09-26 16:34:02
● 2026-10-23 03:19:34
●A2606:4700:3032::6815:3f752026-09-26 → 2026-10-23 · 2 obs
● 2026-09-26 16:34:02
● 2026-10-23 03:19:34
●A2606:4700:3034::ac43:91742026-09-26 → 2026-10-23 · 2 obs
● 2026-09-26 16:34:02
● 2026-10-23 03:19:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
mathgrading.appthea.ns.cloudflare.com, karl.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.247

NS records: thea.ns.cloudflare.com, karl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathgrading.app (unsigned zone)

⏱️ Timing

Total: 787ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.145.116, 104.21.63.117
AAAA22606:4700:3032::6815:3f75, 2606:4700:3034::ac43:9174
NS2karl.ns.cloudflare.com, thea.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1karl.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

mathgrading.app resolves to four IP addresses: 104.21.63.117, 172.67.145.116, 2606:4700:3032::6815:3f75 and 2606:4700:3034::ac43:9174.

xelranunavik.space, sgotik.cn, ikmlpo.cyou and two other host names share IP numbers with mathgrading.app.

Name Servers

DNS delegation for mathgrading.app points to two name servers: karl.ns.cloudflare.com and thea.ns.cloudflare.com.

mathgrading.app uses the same name servers as several other domains — among them arsilllafhadella.workers.dev, oxnfr59665.workers.dev, sistersushi.com and two more.

mathgrading.app has at least partial name server overlap with other domains, such as uwrq.cn, 49014ppt.app, 12223ee.com and two others.

It is common to find these name servers paired with the name servers tori.ns.cloudflare.com, benedict.ns.cloudflare.com, amber.ns.cloudflare.com and sara.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

karl.ns.cloudflare.com has IP addresses 108.162.193.190, 172.64.33.190 and 173.245.59.190, plus 3 other.

thea.ns.cloudflare.com has IP addresses 108.162.194.247, 162.159.38.247 and 172.64.34.247, plus 3 other.