bits2bigenglish.com - robtex.com
bits2bigenglish.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.107.182.121🇻🇳 VTN-1103.107.180.0/22 PEGA-VN PEGA-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@bits2bigenglish.com 2026-01-06 #2 | ||||||
com
| 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=1778494756 | ||||||
Subdomains
DNS History
5 records (5 active, 0 former)
●NSns1.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:36
●NSns2.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:36
●NSns3.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:36
●NSns4.zonedns.vn2026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:36
●A103.107.182.1212026-05-11 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net... | - |
| bits2bigenglish.com | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bits2bigenglish.com (unsigned zone)
⏱️ Timing
Total: 1785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.107.182.121 |
| NS | 4 | ns1.zonedns.vn, ns2.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.bits2bigenglish.com |
Analysis
Hierarchy
bits2bigenglish.com is a parent of www.bits2bigenglish.com and admin.bits2bigenglish.com.
IP Addresses
bits2bigenglish.com points to a single IP number: 103.107.182.121.
Other host names, for instance prelive.proskills.edu.vn, api.celt.hanoiacademy.edu.vn, api.thenglish.edu.vn, api.hoaieltskids.edu.vn and ieltsmaily.edu.vn share IP numbers with bits2bigenglish.com.
Name Servers
bits2bigenglish.com is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
bits2bigenglish.com at least partially shares name servers with other domains, for instance balietour.com, bepdep.net, auto369.vn, yeumoitruong.com.vn and ttvlangiang.gov.vn.
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