firsttea.vn - robtex.com
firsttea.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.101.162.50🇻🇳 NHAN-HOA-AS-VN103.101.162.0/24 NHANHOA-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 | ||||||
| MX | mail.firsttea.vn ⭐ | ||||||
| A | 103.101.162.50🇻🇳 NHAN-HOA-AS-VN103.101.162.0/24 NHANHOA-VN | ||||||
| SOA | ns1.zonedns.vnroot@firsttea.vn 2025-12-10 #3 | ||||||
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=2030761044 | ||||||
Subdomains
mail.firsttea.vn |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:56:00
●NSns2.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:56:00
●NSns3.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:56:00
●NSns4.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:56:00
●MXmail.firsttea.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:56:00
●A103.101.162.502026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 21:56:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| firsttea.vn | ns2.zonedns.vn, ns1.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn | - |
✅ Authoritative Response
Server:103.28.39.159
NS records: ns2.zonedns.vn, ns1.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firsttea.vn (unsigned zone)
⏱️ Timing
Total: 2616ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.101.162.50 |
| NS | 4 | ns4.zonedns.vn, ns1.zonedns.vn... |
| MX | 1 | mail.firsttea.vn (pri: 10) |
| SOA | 1 | ns1.zonedns.vn root.firsttea.vn |
Analysis
Hierarchy
firsttea.vn is a parent of mail.firsttea.vn.
IP Addresses
firsttea.vn points to a single IP number: 103.101.162.50.
Other host names such as demo.ledlotek.com and mail.firsttea.vn share IP numbers with firsttea.vn.
Name Servers
firsttea.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
firsttea.vn at least partially shares name servers with other domains, for instance inphuongdong.com, rem69.vn, batdongsanhochiminh.vn, 5rtech.com.vn and thegioigameviet.com.
These name servers are commonly used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Hosts with two IPs:
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
Hosts pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn
Hosts pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn
Mail Servers
firsttea.vn is handled by a single mail server, mail.firsttea.vn.
mail.firsttea.vn points to a single IP: 103.101.162.50.