ko.edu.vn - robtex.com
ko.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:5b59🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d6c4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.91.89Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.214.196🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aurora.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:266e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c26e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:226e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 108.162.194.110🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 162.159.38.110Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| A | 172.64.34.110🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aurora.ns.cloudflare.com | ||||||
| NS | mario.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bcb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1cb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21cb🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 108.162.193.203🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 172.64.33.203🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 173.245.59.203🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| TXT | brevo-code:3b310677dbe0afd03d67ffc74e943018 | ||||||
| TXT | zalo-platform-site-verification=O82zBfJtDNTBnUGXdE5V2LResYkwdWjpCZGo | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.91.89, 172.67.214.196 | ||||||
| IPv6 hints | 2606:4700:3036::6815:5b59, 2606:4700:3037::ac43:d6c4 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com | ||||||
| SOA | aurora.ns.cloudflare.comdns@cloudflare.com serial=2401993614 | ||||||
edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564973 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSaurora.ns.cloudflare.com2026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:08:36
●NSmario.ns.cloudflare.com2026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:08:36
●A104.21.91.892026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:08:36
●A172.67.214.1962026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:08:36
●A2606:4700:3036::6815:5b592026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:08:36
●A2606:4700:3037::ac43:d6c42026-04-30 → 2026-05-11 · 2 obs
● 2026-05-11 06:08:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, g.dns-servers.vn, h.dns-servers.vn, c.dns-servers.vn... | - |
| ko.edu.vn | mario.ns.cloudflare.com, aurora.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.110
NS records: mario.ns.cloudflare.com, aurora.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ko.edu.vn (unsigned zone)
⏱️ Timing
Total: 890ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.91.89, 172.67.214.196 |
| AAAA | 2 | 2606:4700:3037::ac43:d6c4, 2606:4700:3036::6815:5b59 |
| NS | 2 | aurora.ns.cloudflare.com, mario.ns.cloudflare.com |
| TXT | 2 | brevo-code:3b310677dbe0afd03d67ffc74e943, zalo-platform-site-verification=O82zBfJt |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aurora.ns.cloudflare.com dns.cloudflare. |
Analysis
Hierarchy
ko.edu.vn is a parent of file-bgd.ko.edu.vn, blog.ko.edu.vn, api.ko.edu.vn, minio-ui.ko.edu.vn, _.ko.edu.vn and several other host names.
IP Addresses
ko.edu.vn points to four IP numbers: 2606:4700:3036::6815:5b59, 2606:4700:3037::ac43:d6c4, 104.21.91.89 and 172.67.214.196.
Other host names, for instance www.kimiluy.com, xwuhzupgrade.ko.edu.vn, everlist.com, modernminimalist.co and bahsineresmi.live share IP numbers with ko.edu.vn.
Name Servers
Delegation for ko.edu.vn rests with two name servers, aurora.ns.cloudflare.com and mario.ns.cloudflare.com.
ko.edu.vn shares the same name server setup as other domains, including so.edu.vn, elearn.vn, kidsonline.edu.vn, center.edu.vn and rrup.in.
ko.edu.vn at least partially shares name servers with other domains, for instance grandprixracewear.fr, yeelok.com, observing-monitoring-advert-branding.pages.dev, churchofstpeternsp.org and ladyrosary.org.
These name servers are commonly used with the name servers nataly.ns.cloudflare.com.
Host names with six IP numbers: aurora.ns.cloudflare.com points to: 2606:4700:50::a29f:266e, 2803:f800:50::6ca2:c26e, 2a06:98c1:50::ac40:226e, 108.162.194.110, 162.159.38.110 and 172.64.34.110. mario.ns.cloudflare.com points to: 2606:4700:58::adf5:3bcb, 2803:f800:50::6ca2:c1cb, 2a06:98c1:50::ac40:21cb, 108.162.193.203, 172.64.33.203 and 173.245.59.203.