tuanstudy.com - robtex.com

tuanstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:a2fa🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4171🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.65.113Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.162.250🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelmo.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3ba3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A2803:f800:50::6ca2:c1a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelmo.ns.cloudflare.com
A2a06:98c1:50::ac40:21a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelmo.ns.cloudflare.com
A108.162.193.163🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A172.64.33.163🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A173.245.59.163🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
NSwally.ns.cloudflare.com
A2606:4700:50::adf5:3aef🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwally.ns.cloudflare.com
A2803:f800:50::6ca2:c0ef🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwally.ns.cloudflare.com
A2a06:98c1:50::ac40:20ef🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwally.ns.cloudflare.com
A108.162.192.239🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwally.ns.cloudflare.com
A172.64.32.239🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwally.ns.cloudflare.com
A173.245.58.239🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwally.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.65.113, 172.67.162.250
IPv62606:4700:3033::ac43:a2fa, 2606:4700:3037::6815:4171
SOAelmo.ns.cloudflare.comdns@cloudflare.com serial=2399040924

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=1774649637

Same first word

tuanstudy.com

DNS History

12 records (6 active, 6 former)

2017201820192020202120222023202420252026NSelmo.ns.cloudflare.comwally.ns.cloudflare.coma.share-dns.comb.share-dns.netf1g1ns1.dnspod.netf1g1ns2.dnspod.netA104.21.65.113172.67.162.2502606:4700:3033::ac43:a2fa2606:4700:3037::6815:4171118.244.215.18942.51.4.236
○NSa.share-dns.com2026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 22:24:40
○NSb.share-dns.net2026-03-27 → 2026-03-27 · 1 obs
○ 2026-03-27 22:24:40
●NSelmo.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-20 00:43:20
● 2026-03-27 22:24:40
○NSf1g1ns1.dnspod.net2016-12-20 → 2016-12-20 · 2 obs
● 2016-12-20 00:43:20
○ 2026-03-27 22:24:40
○NSf1g1ns2.dnspod.net2016-12-20 → 2016-12-20 · 2 obs
● 2016-12-20 00:43:20
○ 2026-03-27 22:24:40
●NSwally.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-20 00:43:20
● 2026-03-27 22:24:40
●A104.21.65.1132026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-22 13:42:02
● 2026-03-27 22:24:40
○A118.244.215.1892016-12-20 → 2016-12-20 · 2 obs
● 2016-12-20 00:43:20
○ 2026-03-27 22:24:40
●A172.67.162.2502026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-22 13:42:02
● 2026-03-27 22:24:40
●A2606:4700:3033::ac43:a2fa2026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-22 13:42:02
● 2026-03-27 22:24:40
●A2606:4700:3037::6815:41712026-03-27 → 2026-03-27 · 2 obs
○ 2017-09-22 13:42:02
● 2026-03-27 22:24:40
○A42.51.4.2362017-09-22 → 2017-09-22 · 3 obs
○ 2016-12-20 00:43:20
● 2017-09-22 13:42:02
○ 2026-03-27 22:24:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...-
tuanstudy.comelmo.ns.cloudflare.com, wally.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.163

NS records: elmo.ns.cloudflare.com, wally.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tuanstudy.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.65.113, 172.67.162.250
AAAA22606:4700:3037::6815:4171, 2606:4700:3033::ac43:a2fa
NS2elmo.ns.cloudflare.com, wally.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elmo.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

tuanstudy.com refers to four IP numbers: 2606:4700:3033::ac43:a2fa, 2606:4700:3037::6815:4171, 104.21.65.113 and 172.67.162.250.

Other host names, for instance pasquier.se, kimcooperassociates.com, donovanglover.com, www.websistem.io and sc88game.com share IP numbers with tuanstudy.com.

Name Servers

tuanstudy.com's delegation uses two name servers: elmo.ns.cloudflare.com and wally.ns.cloudflare.com.

tuanstudy.com uses the same name server setup as other domains, such as xuefeifan.com, viphw.net, cyscwz.com, xkyos.com and lddlxy.net.

tuanstudy.com at least partially shares name servers with other domains, including logiwa.com, monotic.com, bizmatic.id, mobocracy.net and hillcountrycaskets.com.

These name servers are often used with thomas.ns.cloudflare.com and clint.ns.cloudflare.com.

Host names with six IP numbers:

elmo.ns.cloudflare.com points to 2606:4700:58::adf5:3ba3, 2803:f800:50::6ca2:c1a3, 2a06:98c1:50::ac40:21a3, 108.162.193.163, 172.64.33.163 and 173.245.59.163.

wally.ns.cloudflare.com points to 2606:4700:50::adf5:3aef, 2803:f800:50::6ca2:c0ef, 2a06:98c1:50::ac40:20ef, 108.162.192.239, 172.64.32.239 and 173.245.58.239.