cdn.hncode.edu.vn - robtex.com

cdn.hncode.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:346b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c62f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.107Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.198.47🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.107, 172.67.198.47
IPv6 hints2606:4700:3032::6815:346b, 2606:4700:3037::ac43:c62f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com

hncode.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:346b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c62f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.107Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.198.47🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalgin.ns.cloudflare.com ⭐
NSulla.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.107, 172.67.198.47
IPv6 hints2606:4700:3032::6815:346b, 2606:4700:3037::ac43:c62f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOAalgin.ns.cloudflare.comdns@cloudflare.com serial=2409997563

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DNS History

13 records (4 active, 9 former)

A104.21.52.107172.67.198.472606:4700:3032::6815:346b2606:4700:3037::ac43:c62f104.21.91.170172.67.175.207188.114.96.0188.114.97.02606:4700:3030::6815:5baa2606:4700:3031::ac43:afcf2606:4700:3032::ac43:afcf2a06:98c1:3120::2a06:98c1:3121::
●A104.21.52.1072026-07-27 → 2026-07-28 · 3 obs
○ 2026-07-03 11:54:42
● 2026-07-27 12:27:40
● 2026-07-28 06:21:00
○A104.21.91.1702026-05-01 → 2026-07-03 · 6 obs
● 2026-05-01 05:54:16
● 2026-06-05 23:12:58
○ 2026-06-30 12:14:42
● 2026-07-03 11:54:42
○ 2026-07-27 12:27:40
○ 2026-07-28 06:21:00
○A172.67.175.2072026-05-01 → 2026-07-03 · 6 obs
● 2026-05-01 05:54:16
● 2026-06-05 23:12:58
○ 2026-06-30 12:14:42
● 2026-07-03 11:54:42
○ 2026-07-27 12:27:40
○ 2026-07-28 06:21:00
●A172.67.198.472026-07-27 → 2026-07-28 · 3 obs
○ 2026-07-03 11:54:42
● 2026-07-27 12:27:40
● 2026-07-28 06:21:00
○A188.114.96.02026-06-30 → 2026-06-30 · 4 obs
○ 2026-06-05 23:12:58
● 2026-06-30 12:14:42
○ 2026-07-03 11:54:42
○ 2026-07-28 06:21:00
○A188.114.97.02026-06-30 → 2026-06-30 · 4 obs
○ 2026-06-05 23:12:58
● 2026-06-30 12:14:42
○ 2026-07-03 11:54:42
○ 2026-07-28 06:21:00
○A2606:4700:3030::6815:5baa2026-05-01 → 2026-07-03 · 6 obs
● 2026-05-01 05:54:16
● 2026-06-05 23:12:58
○ 2026-06-30 12:14:42
● 2026-07-03 11:54:42
○ 2026-07-27 12:27:40
○ 2026-07-28 06:21:00
○A2606:4700:3031::ac43:afcf2026-05-01 → 2026-06-05 · 4 obs
● 2026-05-01 05:54:16
● 2026-06-05 23:12:58
○ 2026-06-30 12:14:42
○ 2026-07-28 06:21:00
●A2606:4700:3032::6815:346b2026-07-27 → 2026-07-28 · 3 obs
○ 2026-07-03 11:54:42
● 2026-07-27 12:27:40
● 2026-07-28 06:21:00
○A2606:4700:3032::ac43:afcf2026-07-03 → 2026-07-03 · 4 obs
○ 2026-06-30 12:14:42
● 2026-07-03 11:54:42
○ 2026-07-27 12:27:40
○ 2026-07-28 06:21:00
●A2606:4700:3037::ac43:c62f2026-07-27 → 2026-07-28 · 3 obs
○ 2026-07-03 11:54:42
● 2026-07-27 12:27:40
● 2026-07-28 06:21:00
○A2a06:98c1:3120::2026-06-30 → 2026-06-30 · 4 obs
○ 2026-06-05 23:12:58
● 2026-06-30 12:14:42
○ 2026-07-03 11:54:42
○ 2026-07-28 06:21:00
○A2a06:98c1:3121::2026-06-30 → 2026-06-30 · 4 obs
○ 2026-06-05 23:12:58
● 2026-06-30 12:14:42
○ 2026-07-03 11:54:42
○ 2026-07-28 06:21:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
hncode.edu.vnalgin.ns.cloudflare.com, ulla.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.61

NS records: algin.ns.cloudflare.com, ulla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hncode.edu.vn (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.52.107, 172.67.198.47
AAAA22606:4700:3037::ac43:c62f, 2606:4700:3032::6815:346b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

cdn.hncode.edu.vn directs to four IP numbers, which are 104.21.52.107, 172.67.198.47, 2606:4700:3032::6815:346b and 2606:4700:3037::ac43:c62f.

Two other host names, along with www.diet2x.com, yargininnabzi.com and il1it926v.dkhlkrxc.vouggacv.com, also share IP numbers with cdn.hncode.edu.vn.