bigbrain.com.vn - robtex.com
bigbrain.com.vn
com.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=2022713031 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdayana.ns.cloudflare.com2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 05:16:48
●NSpablo.ns.cloudflare.com2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 05:16:48
●MXssl.emailserver.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 05:16:48
●A103.42.58.1702026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 05:16:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| bigbrain.com.vn | pablo.ns.cloudflare.com, dayana.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.220
NS records: pablo.ns.cloudflare.com, dayana.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bigbrain.com.vn (unsigned zone)
⏱️ Timing
Total: 787ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.42.58.170 |
| NS | 2 | dayana.ns.cloudflare.com, pablo.ns.cloudflare.com |
| MX | 1 | ssl.emailserver.vn (pri: 10) |
| TXT | 2 | v=spf1 a mx include:_spf.elasticemail.co, v=spf1 mx include:emailserver.vn -all |
| SOA | 1 | dayana.ns.cloudflare.com dns.cloudflare. |
Analysis
Hierarchy
bigbrain.com.vn is a parent of bantinh.bigbrain.com.vn and sach.bigbrain.com.vn.
IP Addresses
bigbrain.com.vn points to a single IP: 103.42.58.170.
Other host names such as bantinh.bigbrain.com.vn and sach.bigbrain.com.vn share IP numbers with bigbrain.com.vn.
Name Servers
Two name servers dayana.ns.cloudflare.com and pablo.ns.cloudflare.com handle delegation for bigbrain.com.vn.
bigbrain.com.vn uses the same name server setup as other domains, for example politicalconfectioneries.co.uk, datasteofperu.com, nekolab.it, coolwptips.com and chonlawoffice.com.
bigbrain.com.vn partially shares name servers with other domains; examples include myfavorite(0x637265616d706965)s.com, leachim.org, casaysol.eu, dlsmartcapture.com and tejevdykpms.fit.
These name servers are often used with the name servers gina.ns.cloudflare.com and roman.ns.cloudflare.com.
Host names with six IP numbers: dayana.ns.cloudflare.com points to: 2606:4700:50::a29f:2667, 2803:f800:50::6ca2:c267, 2a06:98c1:50::ac40:2267, 108.162.194.103, 162.159.38.103 and 172.64.34.103; pablo.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdc, 2803:f800:50::6ca2:c1dc, 2a06:98c1:50::ac40:21dc, 108.162.193.220, 172.64.33.220 and 173.245.59.220.
Mail Servers
bigbrain.com.vn is handled by a single mail server, ssl.emailserver.vn.
bigbrain.com.vn has the same mail server setup as other domains, including xuongin247.vn, thuvienleducanh.vn, e-smartbox.vn, vegas-m.com and hoangtratravel.vn.
bigbrain.com.vn shares some mail servers with other domains at least partially, for example timdaythay.com, eec.vn, maygoi.vn and tecwood.com.vn.
ssl.emailserver.vn points to a single IP: 203.171.31.205.