gdustudent.com - robtex.com

gdustudent.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:9f70🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:426c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.108Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.159.112🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbob.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A2803:f800:50::6ca2:c168🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbob.ns.cloudflare.com
A2a06:98c1:50::ac40:2168🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbob.ns.cloudflare.com
A108.162.193.104🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A172.64.33.104🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A173.245.59.104🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
NSmona.ns.cloudflare.com
A2606:4700:50::adf5:3ace🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmona.ns.cloudflare.com
A2803:f800:50::6ca2:c0ce🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmona.ns.cloudflare.com
A2a06:98c1:50::ac40:20ce🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmona.ns.cloudflare.com
A108.162.192.206🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmona.ns.cloudflare.com
A172.64.32.206🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmona.ns.cloudflare.com
A173.245.58.206🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmona.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.108, 172.67.159.112
IPv6 hints2606:4700:3030::ac43:9f70, 2606:4700:3034::6815:426c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com
SOAbob.ns.cloudflare.comdns@cloudflare.com serial=2403980014

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=1778559281

Same first word

gdustudent.com

DNS History

9 records (6 active, 3 former)

2017201820192020202120222023202420252026NSbob.ns.cloudflare.commona.ns.cloudflare.comdns10.hichina.comdns9.hichina.comA104.21.66.108172.67.159.1122606:4700:3030::ac43:9f702606:4700:3034::6815:426c120.24.87.98
●NSbob.ns.cloudflare.com2026-04-09 → 2026-05-12 · 3 obs
○ 2017-09-14 18:41:14
● 2026-04-09 16:10:14
● 2026-05-12 04:20:30
○NSdns10.hichina.com2016-12-17 → 2017-09-14 · 4 obs
● 2016-12-17 11:52:58
● 2017-09-14 18:41:14
○ 2026-04-09 16:10:14
○ 2026-05-12 04:20:30
○NSdns9.hichina.com2016-12-17 → 2017-09-14 · 4 obs
● 2016-12-17 11:52:58
● 2017-09-14 18:41:14
○ 2026-04-09 16:10:14
○ 2026-05-12 04:20:30
●NSmona.ns.cloudflare.com2026-04-09 → 2026-05-12 · 3 obs
○ 2017-09-14 18:41:14
● 2026-04-09 16:10:14
● 2026-05-12 04:20:30
●A104.21.66.1082026-04-09 → 2026-05-12 · 3 obs
○ 2017-09-14 18:41:14
● 2026-04-09 16:10:14
● 2026-05-12 04:20:30
○A120.24.87.982016-12-17 → 2017-09-14 · 4 obs
● 2016-12-17 11:52:58
● 2017-09-14 18:41:14
○ 2026-04-09 16:10:14
○ 2026-05-12 04:20:30
●A172.67.159.1122026-04-09 → 2026-05-12 · 3 obs
○ 2017-09-14 18:41:14
● 2026-04-09 16:10:14
● 2026-05-12 04:20:30
●A2606:4700:3030::ac43:9f702026-04-09 → 2026-05-12 · 3 obs
○ 2017-09-14 18:41:14
● 2026-04-09 16:10:14
● 2026-05-12 04:20:30
●A2606:4700:3034::6815:426c2026-04-09 → 2026-05-12 · 3 obs
○ 2017-09-14 18:41:14
● 2026-04-09 16:10:14
● 2026-05-12 04:20:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
gdustudent.combob.ns.cloudflare.com, mona.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.206

NS records: bob.ns.cloudflare.com, mona.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gdustudent.com (unsigned zone)

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.159.112, 104.21.66.108
AAAA22606:4700:3030::ac43:9f70, 2606:4700:3034::6815:426c
NS2bob.ns.cloudflare.com, mona.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bob.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

gdustudent.com points to four IP numbers: 2606:4700:3030::ac43:9f70, 2606:4700:3034::6815:426c, 104.21.66.108 and 172.67.159.112.

Other host names including prazdnik-muline.ru, 3pg.3376495.cc, alphasb.com, capturedigitalmarketing.com and resolvetri.com share IP numbers with gdustudent.com.

Name Servers

gdustudent.com's delegation uses two name servers, bob.ns.cloudflare.com and mona.ns.cloudflare.com.

gdustudent.com shares the same name server setup as other domains, for example auditorsoft.com, newywedu.net, auditorsoft.info, autowy.com and kivii.net.

gdustudent.com at least partially shares name servers with other domains, including growmyfamily.com, catvetclinic.com, iliastrade.com, yeksite.com and garage-yvon.fr.

These name servers are often used together with dina.ns.cloudflare.com.

Host names with six IP numbers:

bob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b68, 2803:f800:50::6ca2:c168, 2a06:98c1:50::ac40:2168, 108.162.193.104, 172.64.33.104 and 173.245.59.104.

mona.ns.cloudflare.com points to: 2606:4700:50::adf5:3ace, 2803:f800:50::6ca2:c0ce, 2a06:98c1:50::ac40:20ce, 108.162.192.206, 172.64.32.206 and 173.245.58.206.