104.21.ndteach.com - robtex.com

104.21.ndteach.com

DNSSEC⚠️ Not signed
A104.21.43.79Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.185🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.79, 172.67.175.185
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com

21.ndteach.com

DNSSEC⚠️ Not signed
A104.21.43.79Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.185🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.79, 172.67.175.185
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com

Subdomains

46.104.21.ndteach.com

Same first word

104.in.ua
104.tv
104.tw
104.info
104.media
104.eu
104.com.pe
104.cz
104.gr
104.be
104.dk
104.com.cn
104.biz
104.us
104.in
104.at
104.pl
104.net
104.com.tw
104.am
104.org
104.au
104.it
104.nl
104.ca
104.ch
104.hu
104.in-addr.arpa
104.cl
104.studio
104.io
104.de
104.bz
104.fr
104.net.cn
104.se
104.com
104.agency
104.jp
104.ua
104.la
104.cn
104.co.jp
104.ph
104.by
104.ru

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140.one
140.ro
014.it
140.in
401.cool
014.me
014.yoga
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140.ninja
140.ru
410.amsterdam
014.la
140.it
140.cm
041.ink
410.eu
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140.eu
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140.me
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140.be
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140.to
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140.com.ua
401.cn
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014.eu
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041.jp
410.ac
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041.la
041.li
014.net.il
014.co.za
401.fr
140.co.kr
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140.fr
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401.lv
410.nl
014.fr
401.at
041.ru
041.app
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140.co.in
410.com.au
401.eu
410.ch

DNS History

3 records (2 active, 1 former)

201820192020202120222023202420252026A104.21.43.79172.67.175.185109.68.33.25
●A104.21.43.792026-03-11 → 2026-04-13 · 3 obs
○ 2017-07-27 21:14:56
● 2026-03-11 17:26:32
● 2026-04-13 06:30:34
○A109.68.33.252017-07-27 → 2017-07-27 · 3 obs
● 2017-07-27 21:14:56
○ 2026-03-11 17:26:32
○ 2026-04-13 06:30:34
●A172.67.175.1852026-03-11 → 2026-04-13 · 3 obs
○ 2017-07-27 21:14:56
● 2026-03-11 17:26:32
● 2026-04-13 06:30:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...-
ndteach.comaddilyn.ns.cloudflare.com, michael.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.217

NS records: addilyn.ns.cloudflare.com, michael.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ndteach.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.175.185, 104.21.43.79
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (addilyn.ns.cloudflare.com, addilyn.ns.cloudflare.com, addilyn.ns.cloudflare.com...)

Analysis

Hierarchy

104.21.ndteach.com is the parent of 46.104.21.ndteach.com.

IP Addresses

104.21.ndteach.com resolves to two IP numbers: 104.21.43.79 and 172.67.175.185.

other host names including www.bestgames-2024.com, masquemedicos.com.ve, daftarlinkmpo.com, www.globaltvcalgary.com and one222driv.debbie-22d.workers.dev share IP numbers with 104.21.ndteach.com.