a1plus.io.vn - robtex.com
a1plus.io.vn
io.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=2023595834 | ||||||
rank #14 in the tld
this domain io.vn is a two-label domain name formed by the labels io and vn. It can be registered to host a website, route email, or point to other online services. Its actual use depends on DNS records and ownership; without those, it simply resolves to nothing.
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSns-master.inet.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 00:21:28
●MXmx1.larksuite.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 00:21:28
●MXmx2.larksuite.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 00:21:28
●MXmx3.larksuite.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 00:21:28
●A103.57.223.362026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 00:21:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| a1plus.io.vn | ns3.inet.vn, ns2.inet.vn, ns1.inet.vn | - |
✅ Authoritative Response
Server:203.113.174.42
NS records: ns3.inet.vn, ns2.inet.vn, ns1.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a1plus.io.vn (unsigned zone)
⏱️ Timing
Total: 1694ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.57.223.36 |
| NS | 3 | ns2.inet.vn, ns3.inet.vn... |
| MX | 3 | mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)... |
| TXT | 3 | verification-code-site-App_lark=9sXaqtgT, v=spf1 +include:spf.onlarksuite.com -all... |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
Analysis
IP Addresses
a1plus.io.vn resolves to one IP number: 103.57.223.36.
other host names including vinsaigon.com, halalmeat.vn, xinfangyinvn.com, vungoctho.com and pntzone.id.vn share IP numbers with a1plus.io.vn.
Name Servers
a1plus.io.vn is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
a1plus.io.vn at least partially shares name servers with other domains, for instance phuckhanh.com, edintech.vn, bookland.vn, tiengtrungkimoanh.vn and avay.io.vn.
Host names with two IP numbers:
ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25.
ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.
ns3.inet.vn points to 2401:5f80:4001:4::14 and 203.113.174.42.
Host names with one IP number:
ns-master.inet.vn points to 202.92.4.8.
Mail Servers
a1plus.io.vn is handled by three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.
a1plus.io.vn shares some mail servers with other domains, at least partially, for instance fooriend.com, ooii.net, 3ae.jp, trustifyreview.app and basis-corp.jp.
Host names with three IP numbers:
mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.
Host names with one IP number:
mx1.larksuite.com points to 18.139.153.173.
mx2.larksuite.com points to 18.139.153.173.
Host names that point to 18.139.153.173:
mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com point to 18.139.153.173.