www.difftech.vn - dns.ninja

www.difftech.vn

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3b0🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9994🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.176Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.148🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.176, 172.67.153.148
IPv6 hints2606:4700:3030::6815:3b0, 2606:4700:3033::ac43:9994
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com

difftech.vn

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3b0🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9994🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.176Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.148🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSraegan.ns.cloudflare.com ⭐
NSyew.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.176, 172.67.153.148
IPv6 hints2606:4700:3030::6815:3b0, 2606:4700:3033::ac43:9994
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOAraegan.ns.cloudflare.comdns@cloudflare.com serial=2409633682

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DNS History

14 records (4 active, 10 former)

A104.21.3.176172.67.153.1482606:4700:3030::6815:3b02606:4700:3033::ac43:9994188.114.96.0188.114.96.4188.114.97.0188.114.97.42606:4700:3030::ac43:99942606:4700:3032::6815:3b02a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●A104.21.3.1762026-05-01 → 2026-07-29 · 11 obs
● 2026-05-01 16:35:40
● 2026-06-11 17:53:24
○ 2026-06-12 11:36:40
● 2026-06-12 12:17:56
● 2026-06-13 01:31:38
○ 2026-06-15 05:19:38
● 2026-06-22 02:26:42
○ 2026-06-22 21:35:38
● 2026-06-29 19:37:54
○ 2026-07-23 01:13:14
● 2026-07-29 04:57:18
●A172.67.153.1482026-05-01 → 2026-07-29 · 11 obs
● 2026-05-01 16:35:40
● 2026-06-11 17:53:24
○ 2026-06-12 11:36:40
● 2026-06-12 12:17:56
● 2026-06-13 01:31:38
○ 2026-06-15 05:19:38
● 2026-06-22 02:26:42
○ 2026-06-22 21:35:38
● 2026-06-29 19:37:54
○ 2026-07-23 01:13:14
● 2026-07-29 04:57:18
○A188.114.96.02026-06-15 → 2026-07-23 · 9 obs
○ 2026-06-13 01:31:38
● 2026-06-15 05:19:38
○ 2026-06-22 02:26:42
● 2026-06-22 21:35:38
○ 2026-06-23 02:00:04
● 2026-06-23 04:43:48
○ 2026-06-29 19:37:54
● 2026-07-23 01:13:14
○ 2026-07-29 04:57:18
○A188.114.96.42026-06-12 → 2026-06-23 · 6 obs
○ 2026-06-11 17:53:24
● 2026-06-12 11:36:40
○ 2026-06-12 12:17:56
● 2026-06-23 02:00:04
○ 2026-06-23 04:43:48
○ 2026-07-29 04:57:18
○A188.114.97.02026-06-15 → 2026-07-23 · 9 obs
○ 2026-06-13 01:31:38
● 2026-06-15 05:19:38
○ 2026-06-22 02:26:42
● 2026-06-22 21:35:38
○ 2026-06-23 02:00:04
● 2026-06-23 04:43:48
○ 2026-06-29 19:37:54
● 2026-07-23 01:13:14
○ 2026-07-29 04:57:18
○A188.114.97.42026-06-12 → 2026-06-23 · 6 obs
○ 2026-06-11 17:53:24
● 2026-06-12 11:36:40
○ 2026-06-12 12:17:56
● 2026-06-23 02:00:04
○ 2026-06-23 04:43:48
○ 2026-07-29 04:57:18
●A2606:4700:3030::6815:3b02026-06-22 → 2026-07-29 · 6 obs
○ 2026-06-15 05:19:38
● 2026-06-22 02:26:42
○ 2026-06-22 21:35:38
● 2026-06-29 19:37:54
○ 2026-07-23 01:13:14
● 2026-07-29 04:57:18
○A2606:4700:3030::ac43:99942026-05-01 → 2026-06-13 · 7 obs
● 2026-05-01 16:35:40
● 2026-06-11 17:53:24
○ 2026-06-12 11:36:40
● 2026-06-12 12:17:56
● 2026-06-13 01:31:38
○ 2026-06-15 05:19:38
○ 2026-07-29 04:57:18
○A2606:4700:3032::6815:3b02026-05-01 → 2026-06-13 · 7 obs
● 2026-05-01 16:35:40
● 2026-06-11 17:53:24
○ 2026-06-12 11:36:40
● 2026-06-12 12:17:56
● 2026-06-13 01:31:38
○ 2026-06-15 05:19:38
○ 2026-07-29 04:57:18
●A2606:4700:3033::ac43:99942026-06-22 → 2026-07-29 · 6 obs
○ 2026-06-15 05:19:38
● 2026-06-22 02:26:42
○ 2026-06-22 21:35:38
● 2026-06-29 19:37:54
○ 2026-07-23 01:13:14
● 2026-07-29 04:57:18
○A2a06:98c1:3120::2026-06-15 → 2026-07-23 · 7 obs
○ 2026-06-13 01:31:38
● 2026-06-15 05:19:38
○ 2026-06-22 02:26:42
● 2026-06-23 03:05:28
○ 2026-06-29 19:37:54
● 2026-07-23 01:13:14
○ 2026-07-29 04:57:18
○A2a06:98c1:3120::42026-06-12 → 2026-06-22 · 6 obs
○ 2026-06-11 17:53:24
● 2026-06-12 11:36:40
○ 2026-06-12 12:17:56
● 2026-06-22 21:35:38
○ 2026-06-23 03:05:28
○ 2026-07-29 04:57:18
○A2a06:98c1:3121::2026-06-15 → 2026-07-23 · 7 obs
○ 2026-06-13 01:31:38
● 2026-06-15 05:19:38
○ 2026-06-22 02:26:42
● 2026-06-23 03:05:28
○ 2026-06-29 19:37:54
● 2026-07-23 01:13:14
○ 2026-07-29 04:57:18
○A2a06:98c1:3121::42026-06-12 → 2026-06-22 · 6 obs
○ 2026-06-11 17:53:24
● 2026-06-12 11:36:40
○ 2026-06-12 12:17:56
● 2026-06-22 21:35:38
○ 2026-06-23 03:05:28
○ 2026-07-29 04:57:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnb.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn, a.dns-servers.vn...16 records
difftech.vnyew.ns.cloudflare.com, raegan.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.80

NS records: yew.ns.cloudflare.com, raegan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for difftech.vn (unsigned zone)

⏱️ Timing

Total: 863ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.148, 104.21.3.176
AAAA22606:4700:3033::ac43:9994, 2606:4700:3030::6815:3b0
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)

Analysis

IP Addresses

www.difftech.vn points to the four IP addresses 104.21.3.176, 172.67.153.148, 2606:4700:3030::6815:3b0 and 2606:4700:3033::ac43:9994.

www.officialfifajus0.shop, casino-5471.buzz, 789winva.com plus two other host names have IP numbers in common with www.difftech.vn.