boltun.com.vn - robtex.com
boltun.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.ix1000.com ⭐ | ||||||
| A | 219.84.160.181🇹🇼 SO-NET-TW219.84.160.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | ns1.ix1000.com | ||||||
| NS | ns2.ix1000.com | ||||||
| A | 219.84.160.182🇹🇼 SO-NET-TW219.84.160.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | ns2.ix1000.com | ||||||
| NS | ns3.ix1000.com | ||||||
| A | 61.56.223.220🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | fa223-220.asiawhere.com | ||||||
| NS | ns4.ix1000.com | ||||||
| A | 61.56.223.221🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | fa223-221.asiawhere.com | ||||||
| MX | mx1.boltun.com.vn ⭐ | ||||||
| A | 101.99.20.218🇻🇳 CMC-1101.99.20.0/24 CMCTELECOM-VN | ||||||
| MX | mx2.boltun.com.vn(20) | ||||||
| A | 14.241.76.170🇻🇳 VTN-114.241.72.0/21 VNPT-Net | ||||||
| TXT | v=spf1 ip4:101.99.20.218 ip4:14.241.76.170 ip4:59.125.217.171 mx ~all | ||||||
| SOA | ns1.ix1000.comroot@boltun.com.vn serial=1679649083 | ||||||
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=2022714332 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.ix1000.com2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 18:47:50
●NSns2.ix1000.com2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 18:47:50
●NSns3.ix1000.com2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 18:47:50
●NSns4.ix1000.com2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 18:47:50
●MXmx1.boltun.com.vn2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 18:47:50
●MXmx2.boltun.com.vn2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 18:47:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| boltun.com.vn | ns1.ix1000.com, ns2.ix1000.com, ns3.ix1000.com, ns4.ix1000.com | - |
✅ Authoritative Response
Server:61.56.223.221
NS records: ns1.ix1000.com, ns2.ix1000.com, ns3.ix1000.com, ns4.ix1000.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for boltun.com.vn (unsigned zone)
⏱️ Timing
Total: 1913ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.ix1000.com, ns4.ix1000.com... |
| MX | 2 | mx1.boltun.com.vn (pri: 10), mx2.boltun.com.vn (pri: 20) |
| TXT | 1 | v=spf1 ip4:101.99.20.218 ip4:14.241.76.1 |
| SOA | 1 | ns1.ix1000.com root.boltun.com.vn |
Analysis
Hierarchy
boltun.com.vn is a parent of mx2.boltun.com.vn, mx1.boltun.com.vn, mail.boltun.com.vn, spam.boltun.com.vn and sslvpn.boltun.com.vn.
Name Servers
boltun.com.vn is delegated to four name servers: ns1.ix1000.com, ns2.ix1000.com, ns3.ix1000.com and ns4.ix1000.com.
boltun.com.vn shares some name servers with other domains, for example blackgold.tw, piwen.com.tw, 9stravel.com, 121.198.31.61.in-addr.arpa and 28.198.31.61.in-addr.arpa.
These name servers are commonly used together with ns1.wt550.com and ns2.wt550.com.
Host names with a single IP
ns1.ix1000.com resolves to 219.84.160.181
ns2.ix1000.com resolves to 219.84.160.182
ns3.ix1000.com resolves to 61.56.223.220
ns4.ix1000.com resolves to 61.56.223.221
Mail Servers
boltun.com.vn is served by two mail servers: mx1.boltun.com.vn and mx2.boltun.com.vn.
Host names with a single IP:
mx1.boltun.com.vn points to 101.99.20.218
mx2.boltun.com.vn points to 14.241.76.170