gct.edu.com - robtex.com

gct.edu.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:92a4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:3993🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.147Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.147, 172.67.146.164
IPv6 hints2606:4700:3035::ac43:92a4, 2606:4700:3036::6815:3993
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com

edu.com

DNSSEC⚠️ Not signed
A13.248.188.218🇺🇸 Amazon13.248.176.0/20
NSjosephine.ns.cloudflare.com ⭐
NSsonny.ns.cloudflare.com
MXinbound-smtp.us-west-2.amazonaws.com ⭐
TXTgoogle-site-verification=XUwxzRiNw6-GXCUt8i5uonkV-HXKrdWqqUCY59zKzJQ
TXTv=spf1 include:amazonses.com ~all
SOAjosephine.ns.cloudflare.comdns@cloudflare.com serial=2409298745
WOT: SAFE (45/100)
rank #113352 globally
rank #49480 in the tld
WOT: SUSPICIOUS (41/100)
📈 Tranco rank: #195,877

Same first word

gct.cn
gct.at
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gct.ro
gct.tv
gct.tech
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Similar names

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tgc.mx
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tgc.org
gtc.co.za
gtc.com
tgc.info
tcg.media
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cgt.us
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cgt.ch
ctg.com.tr
tgc.gr
tcg.io
tcg.co.nz
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cgt.net.au
gtc.com.qa
tgc.net.mx
tgc.es
tcg.mobi
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tgc.ae
tgc.ph
gtc.cl
tcg.com.sa
cgt.nyc
cgt.vg
tcg.mx
cgt.nl
tcg.net.uk
ctg.me
tcg.co
ctg.nu
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tcg.agency
ctg.es
cgt.su
gtc.info
tgc.gmbh
cgt.co.in
cgt.bz
tgc.ro
cgt.info
tcg.com
ctg.tw
tcg.house
cgt.fr
gtc.ge
gtc.be
tcg.at
cgt.hosting
ctg.cn
gtc.in
tgc.productions
ctg.com
tcg.eu
ctg.co.uk
tgc.cl
tgc.eu
tcg.dk
tgc.ie
tgc.cc
gtc.ch
gtc.me
tcg.cl
tcg.im

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026A104.21.57.147172.67.146.1642606:4700:3035::ac43:92a42606:4700:3036::6815:39932606:4700:3035::6815:399352.25.91.8252.26.248.8852.34.195.11352.36.119.8754.148.237.20354.187.38.4154.218.21.6654.68.74.174
●A104.21.57.1472026-07-01 → 2026-08-03 · 3 obs
○ 2016-09-01 05:06:44
● 2026-07-01 01:04:52
● 2026-08-03 04:09:28
●A172.67.146.1642026-07-01 → 2026-08-03 · 3 obs
○ 2016-09-01 05:06:44
● 2026-07-01 01:04:52
● 2026-08-03 04:09:28
○A2606:4700:3035::6815:39932026-07-01 → 2026-07-01 · 3 obs
○ 2016-09-01 05:06:44
● 2026-07-01 01:04:52
○ 2026-08-03 04:09:28
●A2606:4700:3035::ac43:92a42026-07-01 → 2026-08-03 · 3 obs
○ 2016-09-01 05:06:44
● 2026-07-01 01:04:52
● 2026-08-03 04:09:28
●A2606:4700:3036::6815:39932026-08-03 → 2026-08-03 · 2 obs
○ 2026-07-01 01:04:52
● 2026-08-03 04:09:28
○A52.25.91.822016-03-13 → 2016-03-13 · 4 obs
○ 2015-12-10 14:04:08
● 2016-03-13 09:42:12
○ 2016-06-11 07:41:18
○ 2026-08-03 04:09:28
○A52.26.248.882015-08-23 → 2015-08-23 · 3 obs
● 2015-08-23 06:19:34
○ 2015-12-10 14:04:08
○ 2026-08-03 04:09:28
○A52.34.195.1132015-12-10 → 2015-12-10 · 4 obs
○ 2015-08-23 06:19:34
● 2015-12-10 14:04:08
○ 2016-03-13 09:42:12
○ 2026-08-03 04:09:28
○A52.36.119.872016-06-11 → 2016-09-01 · 5 obs
○ 2016-03-13 09:42:12
● 2016-06-11 07:41:18
● 2016-09-01 05:06:44
○ 2026-07-01 01:04:52
○ 2026-08-03 04:09:28
○A54.148.237.2032016-03-13 → 2016-03-13 · 4 obs
○ 2015-12-10 14:04:08
● 2016-03-13 09:42:12
○ 2016-06-11 07:41:18
○ 2026-08-03 04:09:28
○A54.187.38.412015-12-10 → 2015-12-10 · 4 obs
○ 2015-08-23 06:19:34
● 2015-12-10 14:04:08
○ 2016-03-13 09:42:12
○ 2026-08-03 04:09:28
○A54.218.21.662015-08-23 → 2015-08-23 · 3 obs
● 2015-08-23 06:19:34
○ 2015-12-10 14:04:08
○ 2026-08-03 04:09:28
○A54.68.74.1742016-06-11 → 2016-09-01 · 5 obs
○ 2016-03-13 09:42:12
● 2016-06-11 07:41:18
● 2016-09-01 05:06:44
○ 2026-07-01 01:04:52
○ 2026-08-03 04:09:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...-
edu.comjosephine.ns.cloudflare.com, sonny.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.66

NS records: josephine.ns.cloudflare.com, sonny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edu.com (unsigned zone)

⏱️ Timing

Total: 160ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.146.164, 104.21.57.147
AAAA22606:4700:3035::ac43:92a4, 2606:4700:3036::6815:3993
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

gct.edu.com points to the four IP addresses 104.21.57.147, 172.67.146.164, 2606:4700:3035::ac43:92a4 and 2606:4700:3036::6815:3993.

Two other host names, along with unused-91-224-220-115.hosteam.pl, host-91-206-26-69.hosteam.pl and unf.edu.com, also share IP numbers with gct.edu.com.