exercise-api.fullstack.edu.vn - dns.ninja
exercise-api.fullstack.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:82c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:92c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:45e2🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.8.44Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.9.44Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.69.226🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.8.44, 104.26.9.44, 172.67.69.226 | ||||||
| IPv6 hints | 2606:4700:20::681a:82c, 2606:4700:20::681a:92c, 2606:4700:20::ac43:45e2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com | ||||||
fullstack.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:82c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:92c🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:45e2🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.8.44Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.9.44Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.69.226🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | courtney.ns.cloudflare.com ⭐ | ||||||
| NS | reese.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.8.44, 104.26.9.44, 172.67.69.226 | ||||||
| IPv6 hints | 2606:4700:20::681a:82c, 2606:4700:20::681a:92c, 2606:4700:20::ac43:45e2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com | ||||||
| SOA | courtney.ns.cloudflare.comdns@cloudflare.com serial=2410907967 | ||||||
DNS History
6 records (6 active, 0 former)
●A104.26.8.442026-05-01 → 2026-08-04 · 2 obs
● 2026-05-01 00:55:28
● 2026-08-04 08:31:50
● 2026-08-04 08:31:50
●A104.26.9.442026-05-01 → 2026-08-04 · 2 obs
● 2026-05-01 00:55:28
● 2026-08-04 08:31:50
● 2026-08-04 08:31:50
●A172.67.69.2262026-05-01 → 2026-08-04 · 2 obs
● 2026-05-01 00:55:28
● 2026-08-04 08:31:50
● 2026-08-04 08:31:50
●A2606:4700:20::681a:82c2026-05-01 → 2026-08-04 · 2 obs
● 2026-05-01 00:55:28
● 2026-08-04 08:31:50
● 2026-08-04 08:31:50
●A2606:4700:20::681a:92c2026-05-01 → 2026-08-04 · 2 obs
● 2026-05-01 00:55:28
● 2026-08-04 08:31:50
● 2026-08-04 08:31:50
●A2606:4700:20::ac43:45e22026-05-01 → 2026-08-04 · 2 obs
● 2026-05-01 00:55:28
● 2026-08-04 08:31:50
● 2026-08-04 08:31:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, h.dns-servers.vn, e.dns-servers.vn, d.dns-servers.vn... | - |
| fullstack.edu.vn | reese.ns.cloudflare.com, courtney.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.130
NS records: reese.ns.cloudflare.com, courtney.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fullstack.edu.vn (unsigned zone)
⏱️ Timing
Total: 1553ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.26.9.44, 172.67.69.226... |
| AAAA | 3 | 2606:4700:20::ac43:45e2, 2606:4700:20::681a:92c... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
exercise-api.fullstack.edu.vn resolves to 6 IP numbers: 104.26.8.44, 104.26.9.44, 172.67.69.226 and 3 other.
Additional host names — maintain.fullstack.edu.vn, cryptodata.com, q-artvilt.com and two others — share IP numbers with exercise-api.fullstack.edu.vn.