cotio.vn - robtex.com
cotio.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.142.137.51🇻🇳 ECOCLOUD-AS-VN103.142.137.0/24 Customer of Viettel ECOCLOUD-AS-VN | ||||||
| NS | ns1.pavietnam.vn ⭐ | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.pavietnam.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | nsbak.pavietnam.net | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| MX | mail.cotio.vn ⭐ | ||||||
| A | 103.142.137.51🇻🇳 ECOCLOUD-AS-VN103.142.137.0/24 Customer of Viettel ECOCLOUD-AS-VN | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.pavietnam.vnhostmaster@cotio.vn 2025-09-10 #6 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030766574 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 04:41:56
●NSns2.pavietnam.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 04:41:56
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 04:41:56
●MXmail.cotio.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 04:41:56
●A103.142.137.512026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 04:41:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| cotio.vn | ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net | 4 records |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cotio.vn (unsigned zone)
⏱️ Timing
Total: 1766ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.142.137.51 |
| NS | 3 | ns2.pavietnam.vn, ns1.pavietnam.vn... |
| MX | 1 | mail.cotio.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.pavietnam.vn hostmaster.cotio.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)
Analysis
Hierarchy
cotio.vn is parent of mail.cotio.vn and www.cotio.vn.
IP Addresses
cotio.vn points to a single IP: 103.142.137.51.
Other host names, for instance mail.cotio.vn, www.ecocloud.vn and www.cotio.vn share IP numbers with cotio.vn.
Name Servers
cotio.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
cotio.vn at least partially shares its name servers with other domains, for instance pna.com.vn, quanlygiaoduc.vn, rubymart.com.vn, vantaiminhtoan.com and nanibi.com.
these name servers are commonly used together with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.
Host names with two IP numbers:
nsbak.pavietnam.net points to: 2406:9c80::9000:302 and 112.213.89.22.
ns1.pavietnam.vn points to: 2406:9c80::66 and 112.213.89.3.
ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247.
Mail Servers
cotio.vn is served by a single mail server, mail.cotio.vn.
mail.cotio.vn points to IP number 103.142.137.51.