usb4g.net - robtex.com
usb4g.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 115.84.182.210🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object | ||||||
| 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 | usb4g.net ⭐ | ||||||
| A | 115.84.182.210🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object | ||||||
| SOA | ns1.zonedns.vnroot@usb4g.net 2020-04-05 #7 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774833157 | ||||||
MX for
usb4g.net |
Subdomains
www.usb4g.net |
Same first word
usb4g.net |
Similar names
DNS History
14 records (6 active, 8 former)
○NSns1.dotvndns.vn2015-06-06 → 2016-04-04 · 4 obs
● 2016-04-04 10:00:14
○ 2017-04-05 19:23:54
○ 2026-03-30 01:14:04
○NSns1.obcvn.com2017-04-05 → 2017-04-05 · 4 obs
● 2017-04-05 19:23:54
○ 2026-03-07 17:11:00
○ 2026-03-30 01:14:04
●NSns1.zonedns.vn2026-03-07 → 2026-03-30 · 3 obs
● 2026-03-07 17:11:00
● 2026-03-30 01:14:04
○NSns2.dotvndns.vn2015-06-06 → 2016-04-04 · 4 obs
● 2016-04-04 10:00:14
○ 2017-04-05 19:23:54
○ 2026-03-30 01:14:04
○NSns2.obcvn.com2017-04-05 → 2017-04-05 · 4 obs
● 2017-04-05 19:23:54
○ 2026-03-07 17:11:00
○ 2026-03-30 01:14:04
●NSns2.zonedns.vn2026-03-07 → 2026-03-30 · 3 obs
● 2026-03-07 17:11:00
● 2026-03-30 01:14:04
○NSns3.obcvn.com2017-04-05 → 2017-04-05 · 4 obs
● 2017-04-05 19:23:54
○ 2026-03-07 17:11:00
○ 2026-03-30 01:14:04
●NSns3.zonedns.vn2026-03-07 → 2026-03-30 · 3 obs
● 2026-03-07 17:11:00
● 2026-03-30 01:14:04
●NSns4.zonedns.vn2026-03-07 → 2026-03-30 · 3 obs
● 2026-03-07 17:11:00
● 2026-03-30 01:14:04
○NSnsbak.dotvndns.com2015-06-06 → 2015-06-06 · 3 obs
○ 2015-10-22 05:15:18
○ 2026-03-30 01:14:04
○MXmail.usb4g.net2015-06-06 → 2017-04-05 · 4 obs
● 2017-04-05 19:23:54
○ 2026-03-07 17:11:00
○ 2026-03-30 01:14:04
●MXusb4g.net2026-03-07 → 2026-03-30 · 3 obs
● 2026-03-07 17:11:00
● 2026-03-30 01:14:04
○A115.146.127.1462015-06-06 → 2017-04-05 · 4 obs
● 2017-04-05 19:23:54
○ 2026-03-07 17:11:00
○ 2026-03-30 01:14:04
●A115.84.182.2102026-03-07 → 2026-03-30 · 3 obs
● 2026-03-07 17:11:00
● 2026-03-30 01:14:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| usb4g.net | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:103.28.39.159
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usb4g.net (unsigned zone)
⏱️ Timing
Total: 1724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 115.84.182.210 |
| NS | 4 | ns1.zonedns.vn, ns2.zonedns.vn... |
| MX | 1 | usb4g.net (pri: 10) |
| SOA | 1 | ns1.zonedns.vn root.usb4g.net |
Analysis
Hierarchy
usb4g.net is the parent of www.usb4g.net.
Mail Server Role
usb4g.net serves as the mail server for usb4g.net.
IP Addresses
usb4g.net resolves to a single IP address: 115.84.182.210.
Other host names including aluspace.vn, vnhd.vn, www.aluspace.vn, vinatire.com and mail.giasuviet.net.vn share IP numbers with usb4g.net.
Name Servers
usb4g.net is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
usb4g.net at least partially shares name servers with other domains, including vantaithudo.com, isharevn.com, besanhdieu.com.vn, tieudungthongminhwise.com and tailieuhoctap.info.
these name servers are commonly used with ns2008.nhanhoa.com.vn, ns2009.nhanhoa.com.vn, ns2001.nhanhoa.com and ns2002.nhanhoa.com.
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.
Mail Servers
A single mail server handles usb4g.net.
usb4g.net points to a single IP: 115.84.182.210.