open-api.vn - robtex.com
open-api.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2400:b520::2a🇻🇳 HANOITELECOM-AS-VN2400:b520::/48 HICLOUDHN-VN | ||||||
| A | 103.17.141.2🇻🇳 HANOITELECOM-AS-VN103.17.140.0/23 HICLOUDHN-VN | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| SOA | ns1.digitalocean.comhostmaster@open-api.vn serial=0 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030776587 | ||||||
Subdomains
portal.open-api.vn |
provinces.open-api.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.digitalocean.com2026-05-01 → 2026-05-15 · 2 obs
● 2026-05-15 13:26:20
●NSns2.digitalocean.com2026-05-01 → 2026-05-15 · 2 obs
● 2026-05-15 13:26:20
●NSns3.digitalocean.com2026-05-01 → 2026-05-15 · 2 obs
● 2026-05-15 13:26:20
●A103.17.141.22026-05-01 → 2026-05-15 · 2 obs
● 2026-05-15 13:26:20
●A2400:b520::2a2026-05-01 → 2026-05-15 · 2 obs
● 2026-05-15 13:26:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, f.dns-servers.vn, c.dns-servers.vn, h.dns-servers.vn... | - |
| open-api.vn | ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for open-api.vn (unsigned zone)
⏱️ Timing
Total: 874ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.17.141.2 |
| AAAA | 1 | 2400:b520::2a |
| NS | 3 | ns3.digitalocean.com, ns1.digitalocean.com... |
| SOA | 1 | ns1.digitalocean.com hostmaster.open-api |
Analysis
Hierarchy
open-api.vn is parent of portal.open-api.vn and provinces.open-api.vn.
IP Addresses
open-api.vn points to two IP numbers: 2400:b520::2a and 103.17.141.2.
Name Servers
open-api.vn is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
open-api.vn at least partially shares its name servers with other domains, for instance iloveschoolphotos.com, scopeapp.io, jydebussen.dk, mnsig.com and native-enterprise.net.
Host names with two IP numbers:
ns1.digitalocean.com points to: 2606:4700:52::ac40:34d2 and 172.64.52.210.
ns2.digitalocean.com points to: 2606:4700:5a::ac40:3515 and 172.64.53.21.
ns3.digitalocean.com points to: 2606:4700:52::ac40:31d1 and 172.64.49.209.