ntcedu.org - robtex.com

ntcedu.org

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:460🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:99f7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.96Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.247🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelinore.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A2803:f800:50::6ca2:c099🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelinore.ns.cloudflare.com
A2a06:98c1:50::ac40:2099🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelinore.ns.cloudflare.com
A108.162.192.153🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A172.64.32.153🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A173.245.58.153🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
NSterin.ns.cloudflare.com
A2606:4700:58::adf5:3bec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A2803:f800:50::6ca2:c1ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRterin.ns.cloudflare.com
A2a06:98c1:50::ac40:21ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRterin.ns.cloudflare.com
A108.162.193.236🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A172.64.33.236🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A173.245.59.236🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.96, 172.67.153.247
IPv6 hints2606:4700:3032::6815:460, 2606:4700:3037::ac43:99f7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com
SOAelinore.ns.cloudflare.comdns@cloudflare.com serial=2408228593

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=1783723969
rank #780705 globally
rank #59035 in the tld

Same first word

ntcedu.com
ntcedu.org
ntcedu.cn

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cutend.com
ducent.org
ducent.net
cntedu.com
ducent.com
dcunet.org
eductn.com
ducent.eu
enduct.com
educnt.com
udcent.com
duntec.sakura.ne.jp
enduct.net
ucdnet.net
cdtuen.com
cdunet.de
ducnet.com
edutnc.com
(0x63756e74)ed.com
undtec.com
entucd.net
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udcnet.com
cdunet.com
netdcu.de
ducent.nl
cdtune.com
duntec.co.jp
ucdnet.com
ecundt.de
netdcu.com

DNS History

11 records (6 active, 5 former)

NSelinore.ns.cloudflare.comterin.ns.cloudflare.comns1.dns.comns2.dns.comA104.21.4.96172.67.153.2472606:4700:3032::6815:4602606:4700:3037::ac43:99f7107.163.47.2182606:4700:3030::6815:4602606:4700:3030::ac43:99f7
●NSelinore.ns.cloudflare.com2026-07-01 → 2026-07-10 · 3 obs
○ 2026-06-18 08:18:02
● 2026-07-01 05:38:12
● 2026-07-10 23:23:44
○NSns1.dns.com2026-06-16 → 2026-06-18 · 4 obs
● 2026-06-16 18:11:32
● 2026-06-18 08:18:02
○ 2026-07-01 05:38:12
○ 2026-07-10 23:23:44
○NSns2.dns.com2026-06-16 → 2026-06-18 · 4 obs
● 2026-06-16 18:11:32
● 2026-06-18 08:18:02
○ 2026-07-01 05:38:12
○ 2026-07-10 23:23:44
●NSterin.ns.cloudflare.com2026-07-01 → 2026-07-10 · 3 obs
○ 2026-06-18 08:18:02
● 2026-07-01 05:38:12
● 2026-07-10 23:23:44
●A104.21.4.962026-07-01 → 2026-07-10 · 3 obs
○ 2026-06-18 08:18:02
● 2026-07-01 05:38:12
● 2026-07-10 23:23:44
○A107.163.47.2182026-06-16 → 2026-06-18 · 4 obs
● 2026-06-16 18:11:32
● 2026-06-18 08:18:02
○ 2026-07-01 05:38:12
○ 2026-07-10 23:23:44
●A172.67.153.2472026-07-01 → 2026-07-10 · 3 obs
○ 2026-06-18 08:18:02
● 2026-07-01 05:38:12
● 2026-07-10 23:23:44
○A2606:4700:3030::6815:4602026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-18 08:18:02
● 2026-07-01 05:38:12
○ 2026-07-08 15:04:18
○ 2026-07-10 23:23:44
○A2606:4700:3030::ac43:99f72026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-18 08:18:02
● 2026-07-01 05:38:12
○ 2026-07-08 15:04:18
○ 2026-07-10 23:23:44
●A2606:4700:3032::6815:4602026-07-08 → 2026-07-10 · 3 obs
○ 2026-07-01 05:38:12
● 2026-07-08 15:04:18
● 2026-07-10 23:23:44
●A2606:4700:3037::ac43:99f72026-07-08 → 2026-07-10 · 3 obs
○ 2026-07-01 05:38:12
● 2026-07-08 15:04:18
● 2026-07-10 23:23:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
ntcedu.orgterin.ns.cloudflare.com, elinore.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.153

NS records: terin.ns.cloudflare.com, elinore.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ntcedu.org (unsigned zone)

⏱️ Timing

Total: 789ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.247, 104.21.4.96
AAAA22606:4700:3037::ac43:99f7, 2606:4700:3032::6815:460
NS2elinore.ns.cloudflare.com, terin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elinore.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

ntcedu.org directs to four IP numbers, which are 104.21.4.96, 172.67.153.247, 2606:4700:3032::6815:460 and 2606:4700:3037::ac43:99f7.

Additional host names — propc.no, ns1.likeany.com, torn.agency and two others — share IP numbers with ntcedu.org.

Name Servers

DNS delegation for ntcedu.org points to two name servers: elinore.ns.cloudflare.com and terin.ns.cloudflare.com.

ntcedu.org shares its name server setup with other domains, including epite-school.com, conquisegroup.com, acxiomaudiencesearch.com and two others.

The name servers of ntcedu.org overlap at least partially with those of other domains — among them automatis.io, 889992995.xyz, neurologicalresource.net and two more.

These name servers commonly appear alongside the name servers rosa.ns.cloudflare.com and julio.ns.cloudflare.com.

Host names with 6 IP numbers:

elinore.ns.cloudflare.com has IP addresses 108.162.192.153, 172.64.32.153 and 173.245.58.153, plus 3 other.

terin.ns.cloudflare.com has IP addresses 108.162.193.236, 172.64.33.236 and 173.245.59.236, plus 3 other.