3c-edu.com - robtex.com

3c-edu.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:9424🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:2999🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.153Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.148.36🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadaline.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2631🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A2803:f800:50::6ca2:c231🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadaline.ns.cloudflare.com
A2a06:98c1:50::ac40:2231🇺🇸 Cloudflare2a06:98c1:50::/45
PTRadaline.ns.cloudflare.com
A108.162.194.49🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A162.159.38.49Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
A172.64.34.49🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadaline.ns.cloudflare.com
NSsean.ns.cloudflare.com
A2606:4700:58::adf5:3be7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
A2803:f800:50::6ca2:c1e7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsean.ns.cloudflare.com
A2a06:98c1:50::ac40:21e7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsean.ns.cloudflare.com
A108.162.193.231🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
A172.64.33.231🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
A173.245.59.231🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.153, 172.67.148.36
IPv6 hints2606:4700:3030::ac43:9424, 2606:4700:3033::6815:2999
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAadaline.ns.cloudflare.comdns@cloudflare.com serial=2401206025

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776943917

Same first word

3c-edu.com

DNS History

11 records (6 active, 5 former)

200920112013201520172019202120232025NSadaline.ns.cloudflare.comsean.ns.cloudflare.coma.bidns.comb.bidns.comns1.3c-edu.comA104.21.41.153172.67.148.362606:4700:3030::ac43:94242606:4700:3033::6815:2999103.232.215.133222.187.122.133
○NSa.bidns.com2008-03-09 → 2008-03-09 · 3 obs
● 2008-03-09 08:17:18
○ 2026-04-07 14:05:38
○ 2026-04-23 11:49:38
●NSadaline.ns.cloudflare.com2026-04-07 → 2026-04-23 · 3 obs
○ 2016-04-02 09:49:46
● 2026-04-07 14:05:38
● 2026-04-23 11:49:38
○NSb.bidns.com2008-03-09 → 2008-03-09 · 3 obs
● 2008-03-09 08:17:18
○ 2026-04-07 14:05:38
○ 2026-04-23 11:49:38
○NSns1.3c-edu.com2015-10-27 → 2016-04-02 · 5 obs
○ 2008-03-09 08:17:18
● 2015-10-27 06:31:56
● 2016-04-02 09:49:46
○ 2026-04-07 14:05:38
○ 2026-04-23 11:49:38
●NSsean.ns.cloudflare.com2026-04-07 → 2026-04-23 · 3 obs
○ 2016-04-02 09:49:46
● 2026-04-07 14:05:38
● 2026-04-23 11:49:38
○A103.232.215.1332016-09-24 → 2016-09-24 · 4 obs
○ 2008-03-09 08:17:18
● 2016-09-24 06:48:20
○ 2026-04-07 14:05:38
○ 2026-04-23 11:49:38
●A104.21.41.1532026-04-07 → 2026-04-23 · 3 obs
○ 2016-09-24 06:48:20
● 2026-04-07 14:05:38
● 2026-04-23 11:49:38
●A172.67.148.362026-04-07 → 2026-04-23 · 3 obs
○ 2016-09-24 06:48:20
● 2026-04-07 14:05:38
● 2026-04-23 11:49:38
○A222.187.122.1332008-03-09 → 2008-03-09 · 3 obs
● 2008-03-09 08:17:18
○ 2016-09-24 06:48:20
○ 2026-04-23 11:49:38
●A2606:4700:3030::ac43:94242026-04-07 → 2026-04-23 · 3 obs
○ 2016-09-24 06:48:20
● 2026-04-07 14:05:38
● 2026-04-23 11:49:38
●A2606:4700:3033::6815:29992026-04-07 → 2026-04-23 · 3 obs
○ 2016-09-24 06:48:20
● 2026-04-07 14:05:38
● 2026-04-23 11:49:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
3c-edu.comsean.ns.cloudflare.com, adaline.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.49

NS records: sean.ns.cloudflare.com, adaline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3c-edu.com (unsigned zone)

⏱️ Timing

Total: 375ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.148.36, 104.21.41.153
AAAA22606:4700:3030::ac43:9424, 2606:4700:3033::6815:2999
NS2adaline.ns.cloudflare.com, sean.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1adaline.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

3c-edu.com points to four IP numbers: 2606:4700:3030::ac43:9424, 2606:4700:3033::6815:2999, 104.21.41.153 and 172.67.148.36.

Other host names, for instance allaboutmovement.com.au, adeoliva.com, bisomlavia.com, blogbright.net and melchiorsen-ramsey.blogbright.net share IP numbers with 3c-edu.com.

Name Servers

3c-edu.com is delegated to two name servers: adaline.ns.cloudflare.com and sean.ns.cloudflare.com.

3c-edu.com uses the same name server setup as other domains, for instance doulaiying.com, xagbpx.com, chinalongcn.com, hnxlm.com and jshtz.com.

3c-edu.com shares name servers with other domains at least partially, for instance 28162023.com, paques.com.br, pon.sucks, lysozymegridio.click and markonreview.com.

These name servers are commonly used with luciana.ns.cloudflare.com, logan.ns.cloudflare.com, greg.ns.cloudflare.com and robert.ns.cloudflare.com.

Host names with six IP numbers: adaline.ns.cloudflare.com points to 2606:4700:50::a29f:2631, 2803:f800:50::6ca2:c231, 2a06:98c1:50::ac40:2231, 108.162.194.49, 162.159.38.49 and 172.64.34.49; sean.ns.cloudflare.com points to 2606:4700:58::adf5:3be7, 2803:f800:50::6ca2:c1e7, 2a06:98c1:50::ac40:21e7, 108.162.193.231, 172.64.33.231 and 173.245.59.231.