file-api.vais.vn - robtex.com
file-api.vais.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.191.56.63🇻🇳 HUT-AS-VN202.191.56.0/22 Hanoi Universsity of Technology 1, Dai Co Viet str, Hai Ba Trung Dist, Ha Noi Vietnam | ||||||
vais.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c768🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:54f2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.84.242Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.104🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cesar.ns.cloudflare.com ⭐ | ||||||
| NS | wally.ns.cloudflare.com | ||||||
| MX | vais-vn.mail.protection.outlook.com ⭐ | ||||||
| TXT | MS=ms52222791 | ||||||
| TXT | firebase=vais-213501 | ||||||
| TXT | google-site-verification=1tW87520Sj_svue4DeDhOUxks4D6YdX6GUfgZQ48-TI | ||||||
| TXT | google-site-verification=VrBQy_Ynpq6GC4rsd5JariPRyNnviGGWw-ZSZ3sxiDc | ||||||
| TXT | google-site-verification=f_O6jyJm32NhtRPbSBfK2wuP2ujW_MKxzhFaH4ujI98 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| TXT | yandex-verification: 6be5df98a6bfeebc | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.84.242, 172.67.199.104 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c768, 2606:4700:3035::6815:54f2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=11, name=cloudflare-ech.com | ||||||
| SOA | cesar.ns.cloudflare.comdns@cloudflare.com serial=2404061143 | ||||||
Same first word
DNS History
1 record (1 active, 0 former)
●A202.191.56.632026-05-01 → 2026-05-12 · 2 obs
● 2026-05-01 13:03:20
● 2026-05-12 13:34:38
● 2026-05-12 13:34:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| vais.vn | cesar.ns.cloudflare.com, wally.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.239
NS records: cesar.ns.cloudflare.com, wally.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for vais.vn (unsigned zone)
⏱️ Timing
Total: 548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.191.56.63 |
Analysis
IP Addresses
file-api.vais.vn points to a single IP number: 202.191.56.63.
Other host names, for instance tds-bpo-nhap-lieu.hidata.vn, danhmuc-ktnn-dev.vais.vn, uet-terminal.vais.vn, ktnn-thu-thap-du-lieu-api-dev.vais.vn and tds-bpo-admin.hidata.vn share IP numbers with file-api.vais.vn.