biaoi.vn - robtex.com
biaoi.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.3.247.7🇻🇳 BKNS-AS-VN103.3.247.0/24 VDATA-VN | ||||||
| PTR | static.bkdata.vn | ||||||
| NS | ns1.zonedns.vn ⭐ | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| SOA | ns1.zonedns.vnroot@biaoi.vn 2025-08-11 #1 | ||||||
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=2030721280 | ||||||
Subdomains
www.biaoi.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-02 · 2 obs
● 2026-05-02 01:04:36
●NSns2.zonedns.vn2026-05-01 → 2026-05-02 · 2 obs
● 2026-05-02 01:04:36
●NSns3.zonedns.vn2026-05-01 → 2026-05-02 · 2 obs
● 2026-05-02 01:04:36
●NSns4.zonedns.vn2026-05-01 → 2026-05-02 · 2 obs
● 2026-05-02 01:04:36
●A103.3.247.72026-05-01 → 2026-05-02 · 2 obs
● 2026-05-02 01:04:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, a.dns-servers.vn, d.dns-servers.vn, g.dns-servers.vn... | - |
| biaoi.vn | ns3.zonedns.vn, ns4.zonedns.vn, ns2.zonedns.vn, ns1.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns3.zonedns.vn, ns4.zonedns.vn, ns2.zonedns.vn, ns1.zonedns.vn
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at vn: Error: DNS query timeout: 203.119.73.105 for DNSKEY vn
⏱️ Timing
Total: 4908ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.3.247.7 |
| NS | 4 | ns4.zonedns.vn, ns2.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.biaoi.vn |
Analysis
Hierarchy
biaoi.vn is the parent of www.biaoi.vn.
IP Addresses
biaoi.vn resolves to a single IP address: 103.3.247.7.
Other host names including cpcontacts.donganhland.com.vn, forum.biahalong.com, eaytbmail.billiardsngocmy.com.vn, webdisk.billiardsngocmy.com.vn and dcor.com.vn share IP numbers with biaoi.vn.
Name Servers
biaoi.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
biaoi.vn at least partially shares name servers with other domains, including phuongtandinh.gov.vn, bepteka.vn, giaiphaptongthe.vn, dovanminh.com and o-shan.com.
These name servers are commonly used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers:
ns1.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.
ns2.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.
ns3.zonedns.vn points to: 2001:df1:3200::15 and 103.28.36.30.
ns4.zonedns.vn points to: 2001:df1:3200::15 and 103.28.39.159.
Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.
Names pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn.