program.edu.vn - dns.ninja

program.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cafcπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::6815:163cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.22.60Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.202.252πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NScoen.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c97πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
A2803:f800:50::6ca2:c397πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoen.ns.cloudflare.com
A2a06:98c1:50::ac40:2397πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRcoen.ns.cloudflare.com
A108.162.195.151πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
A162.159.44.151Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
A172.64.35.151πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoen.ns.cloudflare.com
NShattie.ns.cloudflare.com
A2606:4700:50::a29f:26acπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhattie.ns.cloudflare.com
A2803:f800:50::6ca2:c2acπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhattie.ns.cloudflare.com
A2a06:98c1:50::ac40:22acπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRhattie.ns.cloudflare.com
A108.162.194.172πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhattie.ns.cloudflare.com
A162.159.38.172Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhattie.ns.cloudflare.com
A172.64.34.172πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhattie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.22.60, 172.67.202.252
IPv6 hints2606:4700:3033::ac43:cafc, 2606:4700:3036::6815:163c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOAcoen.ns.cloudflare.comdns@cloudflare.com serial=2409636519

edu.vn

DNSSEC⚠️ Not signed
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn ⚠️ Not in parent delegation
NSb.dns-servers.vn ⚠️ Not in parent delegation
NSc.dns-servers.vn ⚠️ Not in parent delegation
NSd.dns-servers.vn ⚠️ Not in parent delegation
NSe.dns-servers.vn ⚠️ Not in parent delegation
NSf.dns-servers.vn ⚠️ Not in parent delegation
NSg.dns-servers.vn ⚠️ Not in parent delegation
NSh.dns-servers.vn ⚠️ Not in parent delegation
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2018582816

Subdomains

Same first word

Similar names

DNS History

11 records (6 active, 5 former)

NScoen.ns.cloudflare.comhattie.ns.cloudflare.comA104.21.22.60172.67.202.2522606:4700:3033::ac43:cafc2606:4700:3036::6815:163c188.114.96.0188.114.97.02606:4700:3031::6815:163c2a06:98c1:3120::2a06:98c1:3121::
●NScoen.ns.cloudflare.com2026-04-30 β†’ 2026-07-25 Β· 2 obs
● 2026-04-30 19:36:32
● 2026-07-25 22:06:08
●NShattie.ns.cloudflare.com2026-04-30 β†’ 2026-07-25 Β· 2 obs
● 2026-04-30 19:36:32
● 2026-07-25 22:06:08
●A104.21.22.602026-04-30 β†’ 2026-07-25 Β· 5 obs
● 2026-04-30 19:36:32
● 2026-06-11 23:17:52
β—‹ 2026-06-17 08:50:40
● 2026-06-21 22:58:32
● 2026-07-25 22:06:08
●A172.67.202.2522026-04-30 β†’ 2026-07-25 Β· 5 obs
● 2026-04-30 19:36:32
● 2026-06-11 23:17:52
β—‹ 2026-06-17 08:50:40
● 2026-06-21 22:58:32
● 2026-07-25 22:06:08
β—‹A188.114.96.02026-06-17 β†’ 2026-06-17 Β· 4 obs
β—‹ 2026-06-11 23:17:52
● 2026-06-17 08:50:40
β—‹ 2026-06-21 22:58:32
β—‹ 2026-07-25 22:06:08
β—‹A188.114.97.02026-06-17 β†’ 2026-06-17 Β· 4 obs
β—‹ 2026-06-11 23:17:52
● 2026-06-17 08:50:40
β—‹ 2026-06-21 22:58:32
β—‹ 2026-07-25 22:06:08
β—‹A2606:4700:3031::6815:163c2026-04-30 β†’ 2026-06-21 Β· 6 obs
● 2026-04-30 19:36:32
● 2026-06-11 23:17:52
β—‹ 2026-06-17 08:50:40
● 2026-06-21 22:58:32
β—‹ 2026-06-24 16:50:04
β—‹ 2026-07-25 22:06:08
●A2606:4700:3033::ac43:cafc2026-04-30 β†’ 2026-07-25 Β· 5 obs
● 2026-04-30 19:36:32
● 2026-06-11 23:17:52
β—‹ 2026-06-17 08:50:40
● 2026-06-21 22:58:32
● 2026-07-25 22:06:08
●A2606:4700:3036::6815:163c2026-06-24 β†’ 2026-07-25 Β· 3 obs
β—‹ 2026-06-21 22:58:32
● 2026-06-24 16:50:04
● 2026-07-25 22:06:08
β—‹A2a06:98c1:3120::2026-06-17 β†’ 2026-06-17 Β· 4 obs
β—‹ 2026-06-11 23:17:52
● 2026-06-17 08:50:40
β—‹ 2026-06-21 22:58:32
β—‹ 2026-07-25 22:06:08
β—‹A2a06:98c1:3121::2026-06-17 β†’ 2026-06-17 Β· 4 obs
β—‹ 2026-06-11 23:17:52
● 2026-06-17 08:50:40
β—‹ 2026-06-21 22:58:32
β—‹ 2026-07-25 22:06:08

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
vnb.dns-servers.vn, e.dns-servers.vn, f.dns-servers.vn, c.dns-servers.vn...-
program.edu.vnhattie.ns.cloudflare.com, coen.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.194.172

NS records: hattie.ns.cloudflare.com, coen.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1011ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.202.252, 104.21.22.60
AAAA22606:4700:3033::ac43:cafc, 2606:4700:3036::6815:163c
NS2coen.ns.cloudflare.com, hattie.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1coen.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

The domain program.edu.vn is a parent of mail.program.edu.vn, oj.program.edu.vn, thayhung.program.edu.vn and webmail.program.edu.vn.

IP Addresses

program.edu.vn directs to four IP numbers, which are 104.21.22.60, 172.67.202.252, 2606:4700:3033::ac43:cafc and 2606:4700:3036::6815:163c.

lineageproject.org, www.gc-saves.com, www.loewenthor.de and two other host names share IP numbers with program.edu.vn.

Name Servers

program.edu.vn has two authoritative name servers β€” coen.ns.cloudflare.com and hattie.ns.cloudflare.com.

program.edu.vn uses the same name servers as several other domains β€” among them huwsgray.co.uk, felorianthusem.sbs, loopvpn.org and two more.

At least some of program.edu.vn's name servers are shared with other domains, for example vpn.gold, mastamanga.com, whfhtzyyy.com and two more.

These name servers are often deployed together with the name servers khalid.ns.cloudflare.com, jakub.ns.cloudflare.com, dara.ns.cloudflare.com and adaline.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

coen.ns.cloudflare.com points to 108.162.195.151, 162.159.44.151, 172.64.35.151 and 3 other IP addresses.

hattie.ns.cloudflare.com points to 108.162.194.172, 162.159.38.172, 172.64.34.172 and 3 other IP addresses.