mathster.org - dns.ninja

mathster.org

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a552🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:b41🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.65Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.165.82🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSleah.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A2803:f800:50::6ca2:c081🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleah.ns.cloudflare.com
A2a06:98c1:50::ac40:2081🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleah.ns.cloudflare.com
A108.162.192.129🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A172.64.32.129🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A173.245.58.129🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
NSsam.ns.cloudflare.com
A2606:4700:58::adf5:3b8d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsam.ns.cloudflare.com
A2803:f800:50::6ca2:c18d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsam.ns.cloudflare.com
A2a06:98c1:50::ac40:218d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsam.ns.cloudflare.com
A108.162.193.141🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsam.ns.cloudflare.com
A172.64.33.141🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsam.ns.cloudflare.com
A173.245.59.141🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsam.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.65, 172.67.165.82
IPv6 hints2606:4700:3030::ac43:a552, 2606:4700:3031::6815:b41
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com
SOAleah.ns.cloudflare.comdns@cloudflare.com serial=2405619471

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=1782871242

Previously MX for

mathster.org

Same first word

mathster.com
mathster.org

Similar names

tehsmart.ru
thesmart.academy
smartteh.eu
thesmart.ca
thesmart.co.uk
thesmart.com.au
matherst.com
thesmart.com.br
hamstert.com
themarts.com
thesmart.pics
thesmart.me
themarts.net
thesmart.money
matthers.com
thesmart.nl
hmatters.co.uk
stratehm.fr
estathmr.com
hamstert.nl
thesmart.network
matthers.ro
thesmart.ru
rmatthes.de
thesmart.net
htstream.com
thesmart.com
mthearts.com
thestarm.com
thesmart.one
thesmart.guide
estthmar.com
thesmart.de
thetrams.co.uk
shmatter.com
thesmart.cloud
ethsmart.com

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSleah.ns.cloudflare.comsam.ns.cloudflare.comcns5.hostgator.comcns6.hostgator.comns6097.hostgator.comns6098.hostgator.comMXmathster.orgA104.21.11.65172.67.165.822606:4700:3030::ac43:a5522606:4700:3031::6815:b41108.167.164.198188.114.96.0188.114.97.0192.232.249.1272a06:98c1:3120::2a06:98c1:3121::
○NScns5.hostgator.com2016-04-22 → 2018-08-27 · 5 obs
○ 2016-01-27 20:02:52
● 2016-04-22 23:19:46
● 2018-08-27 11:17:52
○ 2026-04-08 17:19:24
○ 2026-07-01 02:10:28
○NScns6.hostgator.com2016-04-22 → 2018-08-27 · 5 obs
○ 2016-01-27 20:02:52
● 2016-04-22 23:19:46
● 2018-08-27 11:17:52
○ 2026-04-08 17:19:24
○ 2026-07-01 02:10:28
●NSleah.ns.cloudflare.com2026-04-08 → 2026-07-01 · 3 obs
○ 2018-08-27 11:17:52
● 2026-04-08 17:19:24
● 2026-07-01 02:10:28
○NSns6097.hostgator.com2015-08-12 → 2016-01-27 · 4 obs
● 2015-08-12 14:46:58
● 2016-01-27 20:02:52
○ 2016-04-22 23:19:46
○ 2026-07-01 02:10:28
○NSns6098.hostgator.com2015-08-12 → 2016-01-27 · 4 obs
● 2015-08-12 14:46:58
● 2016-01-27 20:02:52
○ 2016-04-22 23:19:46
○ 2026-07-01 02:10:28
●NSsam.ns.cloudflare.com2026-04-08 → 2026-07-01 · 3 obs
○ 2018-08-27 11:17:52
● 2026-04-08 17:19:24
● 2026-07-01 02:10:28
○MXmathster.org2015-08-12 → 2018-08-27 · 4 obs
● 2015-08-12 14:46:58
● 2018-08-27 11:17:52
○ 2026-04-08 17:19:24
○ 2026-07-01 02:10:28
●A104.21.11.652026-07-01 → 2026-07-01 · 2 obs
○ 2026-04-08 17:19:24
● 2026-07-01 02:10:28
○A108.167.164.1982016-04-22 → 2018-08-27 · 5 obs
○ 2016-01-27 20:02:52
● 2016-04-22 23:19:46
● 2018-08-27 11:17:52
○ 2026-04-08 17:19:24
○ 2026-07-01 02:10:28
●A172.67.165.822026-07-01 → 2026-07-01 · 2 obs
○ 2026-04-08 17:19:24
● 2026-07-01 02:10:28
○A188.114.96.02026-04-08 → 2026-04-08 · 3 obs
○ 2018-08-27 11:17:52
● 2026-04-08 17:19:24
○ 2026-07-01 02:10:28
○A188.114.97.02026-04-08 → 2026-04-08 · 3 obs
○ 2018-08-27 11:17:52
● 2026-04-08 17:19:24
○ 2026-07-01 02:10:28
○A192.232.249.1272015-08-12 → 2016-01-27 · 4 obs
● 2015-08-12 14:46:58
● 2016-01-27 20:02:52
○ 2016-04-22 23:19:46
○ 2026-07-01 02:10:28
●A2606:4700:3030::ac43:a5522026-07-01 → 2026-07-01 · 2 obs
○ 2026-04-08 17:19:24
● 2026-07-01 02:10:28
●A2606:4700:3031::6815:b412026-07-01 → 2026-07-01 · 2 obs
○ 2026-04-08 17:19:24
● 2026-07-01 02:10:28
○A2a06:98c1:3120::2026-04-08 → 2026-04-08 · 3 obs
○ 2018-08-27 11:17:52
● 2026-04-08 17:19:24
○ 2026-07-01 02:10:28
○A2a06:98c1:3121::2026-04-08 → 2026-04-08 · 3 obs
○ 2018-08-27 11:17:52
● 2026-04-08 17:19:24
○ 2026-07-01 02:10:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
mathster.orgsam.ns.cloudflare.com, leah.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.129

NS records: sam.ns.cloudflare.com, leah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathster.org (unsigned zone)

⏱️ Timing

Total: 400ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.165.82, 104.21.11.65
AAAA22606:4700:3030::ac43:a552, 2606:4700:3031::6815:b41
NS2leah.ns.cloudflare.com, sam.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1leah.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

mathster.org directs to four IP numbers, which are 104.21.11.65, 172.67.165.82, 2606:4700:3030::ac43:a552 and 2606:4700:3031::6815:b41.

Among the host names that share IP numbers with mathster.org are 9953p.com, flowingconcept.com, keonhacai.com.ng and two others.

Name Servers

DNS delegation for mathster.org points to two name servers: leah.ns.cloudflare.com and sam.ns.cloudflare.com.

mathster.org has the same name server delegation as a number of other domains, such as 0-u.com, (0x666170)sty.com, parrotmail.net and two more.

There is at least partial name server overlap between mathster.org and other domains — hdfilmdelisi.com, tusdata.com.tr, mcls.lib.wi.us and two more among them.

These name servers frequently co-occur with the name servers mark.ns.cloudflare.com and woz.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

leah.ns.cloudflare.com has IP addresses 108.162.192.129, 172.64.32.129 and 173.245.58.129, plus 3 other.

sam.ns.cloudflare.com has IP addresses 108.162.193.141, 172.64.33.141 and 173.245.59.141, plus 3 other.