www.thinktech.vn - robtex.com

www.thinktech.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8ea1🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5f1e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.30Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.161🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.30, 172.67.142.161
IPv6 hints2606:4700:3032::ac43:8ea1, 2606:4700:3037::6815:5f1e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com

thinktech.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8ea1🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5f1e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.30Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.161🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSannabel.ns.cloudflare.com ⭐
NSnorm.ns.cloudflare.com
TXTgoogle-site-verification=8jBjO2wXaNbAMf4H717uj4whVke2fysSHzAKDtrTT0Y
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.30, 172.67.142.161
IPv6 hints2606:4700:3032::ac43:8ea1, 2606:4700:3037::6815:5f1e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOAannabel.ns.cloudflare.comdns@cloudflare.com serial=2399844655

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DNS History

14 records (4 active, 10 former)

20162017201820192020202120222023202420252026NSns69.it-4vn.comns70.it-4vn.comMXthinktech.vnA104.21.95.30172.67.142.1612606:4700:3032::ac43:8ea12606:4700:3037::6815:5f1e103.234.37.46125.253.118.46188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::CNAMEthinktech.vn
○NSns69.it-4vn.com2015-10-31 → 2017-01-10 · 4 obs
● 2015-10-31 15:01:02
● 2017-01-10 16:44:56
○ 2019-04-10 22:07:00
○ 2026-05-10 06:21:38
○NSns70.it-4vn.com2015-10-31 → 2017-01-10 · 4 obs
● 2015-10-31 15:01:02
● 2017-01-10 16:44:56
○ 2019-04-10 22:07:00
○ 2026-05-10 06:21:38
○MXthinktech.vn2015-10-31 → 2017-01-10 · 4 obs
● 2015-10-31 15:01:02
● 2017-01-10 16:44:56
○ 2019-04-10 22:07:00
○ 2026-05-10 06:21:38
○A103.234.37.462015-10-31 → 2017-01-10 · 5 obs
○ 2015-06-15 17:45:34
● 2015-10-31 15:01:02
● 2017-01-10 16:44:56
○ 2019-04-10 22:07:00
○ 2026-05-10 06:21:38
●A104.21.95.302026-05-01 → 2026-05-10 · 5 obs
○ 2019-04-10 22:07:00
● 2026-05-01 10:27:02
● 2026-05-09 08:38:50
○ 2026-05-09 16:13:12
● 2026-05-10 06:21:38
○A125.253.118.462015-06-15 → 2015-06-15 · 3 obs
● 2015-06-15 17:45:34
○ 2015-10-31 15:01:02
○ 2026-05-10 06:21:38
●A172.67.142.1612026-05-01 → 2026-05-10 · 5 obs
○ 2019-04-10 22:07:00
● 2026-05-01 10:27:02
● 2026-05-09 08:38:50
○ 2026-05-09 16:13:12
● 2026-05-10 06:21:38
○A188.114.96.02026-05-09 → 2026-05-09 · 3 obs
○ 2026-05-09 08:38:50
● 2026-05-09 16:13:12
○ 2026-05-10 06:21:38
○A188.114.97.02026-05-09 → 2026-05-09 · 3 obs
○ 2026-05-09 08:38:50
● 2026-05-09 16:13:12
○ 2026-05-10 06:21:38
●A2606:4700:3032::ac43:8ea12026-05-01 → 2026-05-10 · 5 obs
○ 2019-04-10 22:07:00
● 2026-05-01 10:27:02
● 2026-05-09 08:38:50
○ 2026-05-09 16:13:12
● 2026-05-10 06:21:38
●A2606:4700:3037::6815:5f1e2026-05-01 → 2026-05-10 · 5 obs
○ 2019-04-10 22:07:00
● 2026-05-01 10:27:02
● 2026-05-09 08:38:50
○ 2026-05-09 16:13:12
● 2026-05-10 06:21:38
○A2a06:98c1:3120::2026-05-09 → 2026-05-09 · 3 obs
○ 2026-05-09 08:38:50
● 2026-05-09 16:13:12
○ 2026-05-10 06:21:38
○A2a06:98c1:3121::2026-05-09 → 2026-05-09 · 3 obs
○ 2026-05-09 08:38:50
● 2026-05-09 16:13:12
○ 2026-05-10 06:21:38
○CNAMEthinktech.vn2015-10-31 → 2017-01-10 · 4 obs
● 2015-10-31 15:01:02
● 2017-01-10 16:44:56
○ 2019-04-10 22:07:00
○ 2026-05-10 06:21:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vne.dns-servers.vn, f.dns-servers.vn, g.dns-servers.vn, a.dns-servers.vn...-
thinktech.vnannabel.ns.cloudflare.com, norm.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.134

NS records: annabel.ns.cloudflare.com, norm.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinktech.vn (unsigned zone)

⏱️ Timing

Total: 1221ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.95.30, 172.67.142.161
AAAA22606:4700:3032::ac43:8ea1, 2606:4700:3037::6815:5f1e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.thinktech.vn resolves to four IP numbers: 2606:4700:3032::ac43:8ea1, 2606:4700:3037::6815:5f1e, 104.21.95.30 and 172.67.142.161.

Other host names such as www.turngs.com, www.nethui.org.nz, (0x787878)bullet.net, feifeigames.com and yourcoder.in share IPs with www.thinktech.vn.