75stu.com - robtex.com

75stu.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:2f37🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:90d9🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.55Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.144.217🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShaley.ns.cloudflare.com ⭐
A2606:4700:50::a29f:260f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhaley.ns.cloudflare.com
A2803:f800:50::6ca2:c20f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhaley.ns.cloudflare.com
A2a06:98c1:50::ac40:220f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhaley.ns.cloudflare.com
A108.162.194.15🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhaley.ns.cloudflare.com
A162.159.38.15Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhaley.ns.cloudflare.com
A172.64.34.15🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhaley.ns.cloudflare.com
NShunts.ns.cloudflare.com
A2606:4700:58::a29f:2c2e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhunts.ns.cloudflare.com
A2803:f800:50::6ca2:c32e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhunts.ns.cloudflare.com
A2a06:98c1:50::ac40:232e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhunts.ns.cloudflare.com
A108.162.195.46🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhunts.ns.cloudflare.com
A162.159.44.46Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhunts.ns.cloudflare.com
A172.64.35.46🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhunts.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.55, 172.67.144.217
IPv6 hints2606:4700:3033::6815:2f37, 2606:4700:3034::ac43:90d9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com
SOAhaley.ns.cloudflare.comdns@cloudflare.com serial=2398365936

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=1776780067

Same first word

75stu.com

DNS History

14 records (6 active, 8 former)

2017201820192020202120222023202420252026NShaley.ns.cloudflare.comhunts.ns.cloudflare.coma.share-dns.coma7.share-dns.comb.share-dns.netb7.share-dns.netdns10.hichina.comdns9.hichina.comA104.21.47.55172.67.144.2172606:4700:3033::6815:2f372606:4700:3034::ac43:90d9121.42.81.218CNAME239265.vhost26.nobeian.top
○NSa.share-dns.com2026-04-02 → 2026-04-21 · 2 obs
○ 2026-04-02 08:19:26
○ 2026-04-21 14:01:58
○NSa7.share-dns.com2026-04-02 → 2026-04-21 · 2 obs
○ 2026-04-02 08:19:26
○ 2026-04-21 14:01:58
○NSb.share-dns.net2026-04-02 → 2026-04-21 · 2 obs
○ 2026-04-02 08:19:26
○ 2026-04-21 14:01:58
○NSb7.share-dns.net2026-04-02 → 2026-04-21 · 2 obs
○ 2026-04-02 08:19:26
○ 2026-04-21 14:01:58
○NSdns10.hichina.com2016-12-14 → 2017-07-08 · 4 obs
● 2016-12-14 17:09:34
● 2017-07-08 04:23:00
○ 2026-04-02 08:19:26
○ 2026-04-21 14:01:58
○NSdns9.hichina.com2016-12-14 → 2017-07-08 · 4 obs
● 2016-12-14 17:09:34
● 2017-07-08 04:23:00
○ 2026-04-02 08:19:26
○ 2026-04-21 14:01:58
●NShaley.ns.cloudflare.com2026-04-02 → 2026-04-21 · 3 obs
○ 2017-07-08 04:23:00
● 2026-04-02 08:19:26
● 2026-04-21 14:01:58
●NShunts.ns.cloudflare.com2026-04-02 → 2026-04-21 · 3 obs
○ 2017-07-08 04:23:00
● 2026-04-02 08:19:26
● 2026-04-21 14:01:58
●A104.21.47.552026-04-02 → 2026-04-21 · 3 obs
○ 2017-07-08 04:23:00
● 2026-04-02 08:19:26
● 2026-04-21 14:01:58
○A121.42.81.2182017-07-08 → 2017-07-08 · 3 obs
● 2017-07-08 04:23:00
○ 2026-04-02 08:19:26
○ 2026-04-21 14:01:58
●A172.67.144.2172026-04-02 → 2026-04-21 · 3 obs
○ 2017-07-08 04:23:00
● 2026-04-02 08:19:26
● 2026-04-21 14:01:58
●A2606:4700:3033::6815:2f372026-04-02 → 2026-04-21 · 3 obs
○ 2017-07-08 04:23:00
● 2026-04-02 08:19:26
● 2026-04-21 14:01:58
●A2606:4700:3034::ac43:90d92026-04-02 → 2026-04-21 · 3 obs
○ 2017-07-08 04:23:00
● 2026-04-02 08:19:26
● 2026-04-21 14:01:58
○CNAME239265.vhost26.nobeian.top2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:09:34
○ 2017-07-08 04:23:00
○ 2026-04-21 14:01:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net...-
75stu.comhaley.ns.cloudflare.com, hunts.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.46

NS records: haley.ns.cloudflare.com, hunts.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 75stu.com (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.47.55, 172.67.144.217
AAAA22606:4700:3034::ac43:90d9, 2606:4700:3033::6815:2f37
NS2haley.ns.cloudflare.com, hunts.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1haley.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

75stu.com points to four IP numbers: 2606:4700:3033::6815:2f37, 2606:4700:3034::ac43:90d9, 104.21.47.55 and 172.67.144.217.

For instance, other host names ogpnpauyoknvc.online, 014tg.top, rapidcashprogram.com, przodek.pl and 7pwatch-terabox-video.biz share IP numbers with 75stu.com.

Name Servers

75stu.com is delegated to two name servers: haley.ns.cloudflare.com and hunts.ns.cloudflare.com.

75stu.com uses the same name server setup as other domains such as skbu.cn, gxqlfz.com, gwsjf.com, wqndtz.com and lojkhf.com.

75stu.com shares name servers with other domains at least partially, for example ttt.co.th, cdrreportwriters.com, 9hkxs.com, banzai24.com and tjhaitaimenye.com.

These name servers are commonly used together with kurt.ns.cloudflare.com, vida.ns.cloudflare.com, kinsley.ns.cloudflare.com and malcolm.ns.cloudflare.com.

Host names with six IP numbers: host name haley.ns.cloudflare.com points to: 2606:4700:50::a29f:260f, 2803:f800:50::6ca2:c20f, 2a06:98c1:50::ac40:220f, 108.162.194.15, 162.159.38.15 and 172.64.34.15; host name hunts.ns.cloudflare.com points to: 2606:4700:58::a29f:2c2e, 2803:f800:50::6ca2:c32e, 2a06:98c1:50::ac40:232e, 108.162.195.46, 162.159.44.46 and 172.64.35.46.