program.edu.vn - dns.ninja
program.edu.vn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::ac43:cafcπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:163cπΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.22.60Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.202.252πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | coen.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::a29f:2c97πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c397π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2397πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 108.162.195.151πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 162.159.44.151Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 172.64.35.151πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| NS | hattie.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26acπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2acπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22acπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 108.162.194.172πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 162.159.38.172Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| A | 172.64.34.172πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hattie.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.22.60, 172.67.202.252 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:cafc, 2606:4700:3036::6815:163c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com | ||||||
| SOA | coen.ns.cloudflare.comdns@cloudflare.com serial=2409636519 | ||||||
edu.vn
| DNSSEC | β οΈ Not signed | ||||||
| NS | dns-master.vnnic.vn β | ||||||
| NS | a.dns-servers.vn β οΈ Not in parent delegation | ||||||
| NS | b.dns-servers.vn β οΈ Not in parent delegation | ||||||
| NS | c.dns-servers.vn β οΈ Not in parent delegation | ||||||
| NS | d.dns-servers.vn β οΈ Not in parent delegation | ||||||
| NS | e.dns-servers.vn β οΈ Not in parent delegation | ||||||
| NS | f.dns-servers.vn β οΈ Not in parent delegation | ||||||
| NS | g.dns-servers.vn β οΈ Not in parent delegation | ||||||
| NS | h.dns-servers.vn β οΈ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018582816 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
βNScoen.ns.cloudflare.com2026-04-30 β 2026-07-25 Β· 2 obs
β 2026-07-25 22:06:08
βNShattie.ns.cloudflare.com2026-04-30 β 2026-07-25 Β· 2 obs
β 2026-07-25 22:06:08
βA104.21.22.602026-04-30 β 2026-07-25 Β· 5 obs
β 2026-06-11 23:17:52
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-07-25 22:06:08
βA172.67.202.2522026-04-30 β 2026-07-25 Β· 5 obs
β 2026-06-11 23:17:52
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-07-25 22:06:08
βA188.114.96.02026-06-17 β 2026-06-17 Β· 4 obs
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-07-25 22:06:08
βA188.114.97.02026-06-17 β 2026-06-17 Β· 4 obs
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-07-25 22:06:08
βA2606:4700:3031::6815:163c2026-04-30 β 2026-06-21 Β· 6 obs
β 2026-06-11 23:17:52
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-06-24 16:50:04
β 2026-07-25 22:06:08
βA2606:4700:3033::ac43:cafc2026-04-30 β 2026-07-25 Β· 5 obs
β 2026-06-11 23:17:52
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-07-25 22:06:08
βA2606:4700:3036::6815:163c2026-06-24 β 2026-07-25 Β· 3 obs
β 2026-06-24 16:50:04
β 2026-07-25 22:06:08
βA2a06:98c1:3120::2026-06-17 β 2026-06-17 Β· 4 obs
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-07-25 22:06:08
βA2a06:98c1:3121::2026-06-17 β 2026-06-17 Β· 4 obs
β 2026-06-17 08:50:40
β 2026-06-21 22:58:32
β 2026-07-25 22:06:08
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, e.dns-servers.vn, f.dns-servers.vn, c.dns-servers.vn... | - |
| program.edu.vn | hattie.ns.cloudflare.com, coen.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.194.172
NS records: hattie.ns.cloudflare.com, coen.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for program.edu.vn (unsigned zone)
β±οΈ Timing
Total: 1011ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.202.252, 104.21.22.60 |
| AAAA | 2 | 2606:4700:3033::ac43:cafc, 2606:4700:3036::6815:163c |
| NS | 2 | coen.ns.cloudflare.com, hattie.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | coen.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.