sunlink.edu.vn - robtex.com
sunlink.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.245.90.240🇻🇳 FPT-AS-AP210.245.88.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | 210-245-90-240.shared.hostvn.net | ||||||
| NS | a.ns.hostvn.net ⭐ | ||||||
| A | 185.136.96.112🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd | ||||||
| PTR | a.ns.hostvn.net | ||||||
| A | 185.136.97.112CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd | ||||||
| PTR | a.ns.hostvn.net | ||||||
| NS | b.ns.hostvn.net | ||||||
| A | 185.136.98.112🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd | ||||||
| PTR | b.ns.hostvn.net | ||||||
| A | 185.136.99.112CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd | ||||||
| PTR | b.ns.hostvn.net | ||||||
| SOA | a.ns.hostvn.nethostmaster@hostvn.net 2025-08-06 #5 | ||||||
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=2018564961 | ||||||
Subdomains
www.sunlink.edu.vn |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSa.ns.hostvn.net2026-04-30 → 2026-05-11 · 3 obs
● 2026-04-30 19:58:42
● 2026-05-11 04:25:52
●NSb.ns.hostvn.net2026-04-30 → 2026-05-11 · 3 obs
● 2026-04-30 19:58:42
● 2026-05-11 04:25:52
○NSns1.bkdns.vn2020-01-28 → 2020-01-28 · 3 obs
○ 2026-04-30 19:58:42
○ 2026-05-11 04:25:52
○NSns2.bkdns.vn2020-01-28 → 2020-01-28 · 3 obs
○ 2026-04-30 19:58:42
○ 2026-05-11 04:25:52
○NSns3.bkdns.vn2020-01-28 → 2020-01-28 · 3 obs
○ 2026-04-30 19:58:42
○ 2026-05-11 04:25:52
○MXmail.sunlink.edu.vn2020-01-28 → 2020-01-28 · 3 obs
○ 2026-04-30 19:58:42
○ 2026-05-11 04:25:52
●A210.245.90.2402020-01-28 → 2026-05-11 · 2 obs
● 2026-05-11 04:25:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| sunlink.edu.vn | b.ns.hostvn.net, a.ns.hostvn.net | - |
✅ Authoritative Response
Server:185.136.96.112
NS records: b.ns.hostvn.net, a.ns.hostvn.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sunlink.edu.vn (unsigned zone)
⏱️ Timing
Total: 757ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.245.90.240 |
| NS | 2 | b.ns.hostvn.net, a.ns.hostvn.net |
| SOA | 1 | a.ns.hostvn.net hostmaster.hostvn.net |
Analysis
Hierarchy
The parent of www.sunlink.edu.vn is sunlink.edu.vn.
IP Addresses
sunlink.edu.vn points to a single IP: 210.245.90.240.
Other host names, for instance caunoiviet.vn, mail.khunganhdep.net, tangmiendich.com, giaiphapmaychu.com and botyan.vn share IP numbers with sunlink.edu.vn.
Name Servers
Two name servers a.ns.hostvn.net and b.ns.hostvn.net handle delegation for sunlink.edu.vn.
sunlink.edu.vn uses the same name server setup as other domains, for example aobongda.net, vuaketnoi.com, th-thcsso2truongthuy.edu.vn, bactrungbo.vn and sspm.vn.
sunlink.edu.vn shares name servers with other domains at least partially, for instance thanhoattinhtad.com, laptrinhcuocsong.com and zebratech.vn.
These name servers commonly accompany ns1.anycast.vn, ns2.anycast.vn, ns3.anycast.vn and ns4.anycast.vn.
Host names with two IP numbers:
a.ns.hostvn.net points to: 185.136.96.112 and 185.136.97.112
b.ns.hostvn.net points to: 185.136.98.112 and 185.136.99.112