code247.edu.vn - robtex.com
code247.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-cloud-b1.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:32::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b1.googledomains.com | ||||||
| A | 216.239.32.107🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns-cloud-b1.googledomains.com | ||||||
| NS | ns-cloud-b2.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:34::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b2.googledomains.com | ||||||
| A | 216.239.34.107🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns-cloud-b2.googledomains.com | ||||||
| NS | ns-cloud-b3.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:36::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b3.googledomains.com | ||||||
| A | 216.239.36.107🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns-cloud-b3.googledomains.com | ||||||
| NS | ns-cloud-b4.googledomains.com ⚠️ Not in zone NS records | ||||||
| A | 2001:4860:4802:38::6b🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-b4.googledomains.com | ||||||
| A | 216.239.38.107🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns-cloud-b4.googledomains.com | ||||||
edu.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=2018565841 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●NSns-cloud-b1.googledomains.com2026-04-30 → 2026-05-14 · 2 obs
● 2026-05-14 02:55:26
●NSns-cloud-b2.googledomains.com2026-04-30 → 2026-05-14 · 2 obs
● 2026-05-14 02:55:26
●NSns-cloud-b3.googledomains.com2026-04-30 → 2026-05-14 · 2 obs
● 2026-05-14 02:55:26
●NSns-cloud-b4.googledomains.com2026-04-30 → 2026-05-14 · 2 obs
● 2026-05-14 02:55:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, g.dns-servers.vn, e.dns-servers.vn... | - |
| code247.edu.vn | ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.38.107
NS records: ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for code247.edu.vn (unsigned zone)
⏱️ Timing
Total: 746ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
code247.edu.vn is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
code247.edu.vn at least partially shares name servers with other domains, for instance terreaterre.co.uk, swt8.com, prevailxbrand.com, healingtreehouse.com and gocpap.net.
Host names with two IP numbers:
ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107; ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107; ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107; ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107.