tailieuvnu.com - robtex.com
tailieuvnu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:b27e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:43a7🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.167Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.178.126🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | braden.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2ca9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | braden.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3a9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | braden.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23a9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | braden.ns.cloudflare.com | ||||||
| A | 108.162.195.169🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | braden.ns.cloudflare.com | ||||||
| A | 162.159.44.169Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | braden.ns.cloudflare.com | ||||||
| A | 172.64.35.169🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | braden.ns.cloudflare.com | ||||||
| NS | sierra.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26f5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 108.162.194.245🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 162.159.38.245Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 172.64.34.245🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| TXT | google-site-verification=1wqUf27ci_EIFjEddFawUzkyjhmQYg46sJ9XZQSvl8c | ||||||
| TXT | google-site-verification=nZymr3-TFBQLuLxevRrFU1CZJXREBDLtWdfO4kT7mjg | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.67.167, 172.67.178.126 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:b27e, 2606:4700:3036::6815:43a7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com | ||||||
| SOA | braden.ns.cloudflare.comdns@cloudflare.com serial=2400456043 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776551922 | ||||||
Same first word
tailieuvnu.com |
DNS History
10 records (6 active, 4 former)
●NSbraden.ns.cloudflare.com2026-02-18 → 2026-04-18 · 2 obs
● 2026-04-18 22:48:50
●NSsierra.ns.cloudflare.com2026-02-18 → 2026-04-18 · 2 obs
● 2026-04-18 22:48:50
●A104.21.67.1672026-02-18 → 2026-04-18 · 3 obs
○ 2026-03-28 14:31:56
● 2026-04-18 22:48:50
●A172.67.178.1262026-02-18 → 2026-04-18 · 3 obs
○ 2026-03-28 14:31:56
● 2026-04-18 22:48:50
○A188.114.96.02026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 14:31:56
○ 2026-04-18 22:48:50
○A188.114.97.02026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 14:31:56
○ 2026-04-18 22:48:50
●A2606:4700:3033::ac43:b27e2026-02-18 → 2026-04-18 · 3 obs
○ 2026-03-28 14:31:56
● 2026-04-18 22:48:50
●A2606:4700:3036::6815:43a72026-02-18 → 2026-04-18 · 3 obs
○ 2026-03-28 14:31:56
● 2026-04-18 22:48:50
○A2a06:98c1:3120::2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 14:31:56
○ 2026-04-18 22:48:50
○A2a06:98c1:3121::2026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 14:31:56
○ 2026-04-18 22:48:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| tailieuvnu.com | sierra.ns.cloudflare.com, braden.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.245
NS records: sierra.ns.cloudflare.com, braden.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tailieuvnu.com (unsigned zone)
⏱️ Timing
Total: 108ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.178.126, 104.21.67.167 |
| AAAA | 2 | 2606:4700:3033::ac43:b27e, 2606:4700:3036::6815:43a7 |
| NS | 2 | braden.ns.cloudflare.com, sierra.ns.cloudflare.com |
| TXT | 2 | google-site-verification=1wqUf27ci_EIFjE, google-site-verification=nZymr3-TFBQLuLx |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | braden.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (sierra.ns.cloudflare.com, sierra.ns.cloudflare.com, sierra.ns.cloudflare.com...)
Analysis
IP Addresses
tailieuvnu.com resolves to four IP numbers: 2606:4700:3033::ac43:b27e, 2606:4700:3036::6815:43a7, 104.21.67.167 and 172.67.178.126.
Other host names such as www.locodiscgolf.com.cdn.cloudflare.net, rcps.k12.va.us, i1b2b.com, seac.org.br and ammaghanaradio.com share IPs with tailieuvnu.com.
Name Servers
tailieuvnu.com is delegated to two name servers: braden.ns.cloudflare.com and sierra.ns.cloudflare.com.
tailieuvnu.com uses the same name server setup as other domains, such as bromen.id, nguyenvietanh.net, gardenlightshop.com and 20again.com.vn.
tailieuvnu.com at least partially shares name servers with other domains, for instance revolution9.net, btfyqh.net, jessicaheiman.com, dbtruss.net and topfolder.be.
These name servers are commonly used together with love.ns.cloudflare.com, finley.ns.cloudflare.com and amanda.ns.cloudflare.com.
Host names with six IP numbers:
braden.ns.cloudflare.com points to 2606:4700:58::a29f:2ca9, 2803:f800:50::6ca2:c3a9, 2a06:98c1:50::ac40:23a9, 108.162.195.169, 162.159.44.169 and 172.64.35.169.
sierra.ns.cloudflare.com points to 2606:4700:50::a29f:26f5, 2803:f800:50::6ca2:c2f5, 2a06:98c1:50::ac40:22f5, 108.162.194.245, 162.159.38.245 and 172.64.34.245.