contedu.org - robtex.com

contedu.org

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:de3d🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:2e0d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.13Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.61🇺🇸 Cloudflare172.67.208.0/20 , 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 hints104.21.46.13, 172.67.222.61
IPv6 hints2606:4700:3030::ac43:de3d, 2606:4700:3031::6815:2e0d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOAelinore.ns.cloudflare.comdns@cloudflare.com serial=2408228354

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=1782902606
rank #703236 globally
rank #53370 in the tld

Previously MX for

contedu.org

Same first word

contedu.org
contedu.com
contedu.ru
contedu.com.br
contedu.net

Similar names

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conduet.cx
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codenut.de
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counted.org
docunet.blogspot.com
de(0x63756e74)o.me
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neutocd.com
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codenut.org
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docunet.it
neoduct.com
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counted.ru
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educont.cz
codenut.com
netdocu.com
docunet.com
counted.shop
ocudent.ca
denotcu.com
docunet.be
ducento.com
counted.net

DNS History

28 records (6 active, 22 former)

20162017201820192020202120222023202420252026NSelinore.ns.cloudflare.comterin.ns.cloudflare.comns-cloud-d1.googledomains.comns-cloud-d2.googledomains.comns-cloud-d3.googledomains.comns-cloud-d4.googledomains.comns1.dns.comns1.shockoestudios1.comns1.usm3.siteground.bizns2.dns.comns2.shockoestudios1.comns2.usm3.siteground.bizMXcontedu.orgA104.21.46.13172.67.222.612606:4700:3030::ac43:de3d2606:4700:3031::6815:2e0d107.163.47.120173.254.85.2292001:4860:4802:32::152001:4860:4802:34::152001:4860:4802:36::152001:4860:4802:38::15216.239.32.21216.239.34.21216.239.36.21216.239.38.2137.60.247.226
●NSelinore.ns.cloudflare.com2026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-13 03:17:12
● 2026-07-01 11:08:32
○NSns-cloud-d1.googledomains.com2016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○NSns-cloud-d2.googledomains.com2016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○NSns-cloud-d3.googledomains.com2016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○NSns-cloud-d4.googledomains.com2016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○NSns1.dns.com2026-05-22 → 2026-06-13 · 4 obs
○ 2017-09-04 14:22:28
● 2026-05-22 07:24:24
● 2026-06-13 03:17:12
○ 2026-07-01 11:08:32
○NSns1.shockoestudios1.com2015-07-18 → 2015-11-16 · 4 obs
● 2015-07-18 02:47:18
● 2015-11-16 19:23:24
○ 2016-02-10 20:14:50
○ 2026-07-01 11:08:32
○NSns1.usm3.siteground.biz2016-02-10 → 2016-02-10 · 4 obs
○ 2015-11-16 19:23:24
● 2016-02-10 20:14:50
○ 2016-08-19 03:30:24
○ 2026-07-01 11:08:32
○NSns2.dns.com2026-05-22 → 2026-06-13 · 4 obs
○ 2017-09-04 14:22:28
● 2026-05-22 07:24:24
● 2026-06-13 03:17:12
○ 2026-07-01 11:08:32
○NSns2.shockoestudios1.com2015-07-18 → 2015-11-16 · 4 obs
● 2015-07-18 02:47:18
● 2015-11-16 19:23:24
○ 2016-02-10 20:14:50
○ 2026-07-01 11:08:32
○NSns2.usm3.siteground.biz2016-02-10 → 2016-02-10 · 4 obs
○ 2015-11-16 19:23:24
● 2016-02-10 20:14:50
○ 2016-08-19 03:30:24
○ 2026-07-01 11:08:32
●NSterin.ns.cloudflare.com2026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-13 03:17:12
● 2026-07-01 11:08:32
○MXcontedu.org2015-07-18 → 2017-09-04 · 4 obs
● 2015-07-18 02:47:18
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
●A104.21.46.132026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-13 03:17:12
● 2026-07-01 11:08:32
○A107.163.47.1202026-05-22 → 2026-06-03 · 5 obs
○ 2017-09-04 14:22:28
● 2026-05-22 07:24:24
● 2026-06-03 09:28:50
○ 2026-06-13 03:17:12
○ 2026-07-01 11:08:32
●A172.67.222.612026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-13 03:17:12
● 2026-07-01 11:08:32
○A173.254.85.2292015-07-18 → 2015-11-16 · 4 obs
● 2015-07-18 02:47:18
● 2015-11-16 19:23:24
○ 2016-02-10 20:14:50
○ 2026-07-01 11:08:32
○A2001:4860:4802:32::152016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○A2001:4860:4802:34::152016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○A2001:4860:4802:36::152016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○A2001:4860:4802:38::152016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○A216.239.32.212016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○A216.239.34.212016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○A216.239.36.212016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
○A216.239.38.212016-08-19 → 2017-09-04 · 5 obs
○ 2016-02-10 20:14:50
● 2016-08-19 03:30:24
● 2017-09-04 14:22:28
○ 2026-05-22 07:24:24
○ 2026-07-01 11:08:32
●A2606:4700:3030::ac43:de3d2026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-13 03:17:12
● 2026-07-01 11:08:32
●A2606:4700:3031::6815:2e0d2026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-13 03:17:12
● 2026-07-01 11:08:32
○A37.60.247.2262016-02-10 → 2016-02-10 · 4 obs
○ 2015-11-16 19:23:24
● 2016-02-10 20:14:50
○ 2016-08-19 03:30:24
○ 2026-07-01 11:08:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
contedu.orgterin.ns.cloudflare.com, elinore.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.236

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contedu.org (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.46.13, 172.67.222.61
AAAA22606:4700:3031::6815:2e0d, 2606:4700:3030::ac43:de3d
NS2elinore.ns.cloudflare.com, terin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elinore.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

contedu.org resolves to four IP addresses: 104.21.46.13, 172.67.222.61, 2606:4700:3030::ac43:de3d and 2606:4700:3031::6815:2e0d.

Additional host names — salembalhamer.net, boru.tv, pixtures.fr and two others — share IP numbers with contedu.org.

Name Servers

The NS records for contedu.org delegate to elinore.ns.cloudflare.com and terin.ns.cloudflare.com.

contedu.org shares its name server setup with other domains, including 4schoolz.com, chinalianhai.com, mzhuapu.com and two others.

contedu.org shares at least some of its name servers with other domains, including hlcsm32.top, biliboom.com, ayunovanti.com and two others.

These name servers are frequently paired with the name servers julio.ns.cloudflare.com and harmony.ns.cloudflare.com.

Host names with 6 IP numbers:

elinore.ns.cloudflare.com maps to 108.162.192.153, 172.64.32.153, 173.245.58.153 and 3 additional IP addresses.

terin.ns.cloudflare.com maps to 108.162.193.236, 172.64.33.236, 173.245.59.236 and 3 additional IP addresses.