coretech.io.vn - robtex.com
coretech.io.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.96.17.195🇻🇳 LVHN-AS-VN42.96.17.0/24 LVSS-VN | ||||||
| PTR | mail.coretech.io.vn | ||||||
| NS | ns3.hostcheap.io.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 | ||||||
| PTR | ns8922.dotvndns.vn | ||||||
| MX | mail.coretech.io.vn ⭐ | ||||||
| A | 144.91.87.102🇩🇪 CONTABO144.91.86.0/23 | ||||||
| PTR | vmi2614891.contaboserver.net | ||||||
| TXT | v=spf1 ip4:46.250.238.133 include:_spf.google.com ~all | ||||||
| TXT | v=spf1 a mx ip4:144.91.87.102 ~all | ||||||
| SOA | ns3.hostcheap.io.vnhostmaster@coretech.io.vn 2026-04-04 #78 | ||||||
io.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=2023595096 | ||||||
rank #14 in the tld
this domain io.vn is a two-label domain name formed by the labels io and vn. It can be registered to host a website, route email, or point to other online services. Its actual use depends on DNS records and ownership; without those, it simply resolves to nothing.
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-08 · 2 obs
● 2026-05-08 21:45:42
●NSns2.pavietnam.vn2026-05-01 → 2026-05-08 · 2 obs
● 2026-05-08 21:45:42
●NSns3.hostcheap.io.vn2026-05-01 → 2026-05-08 · 2 obs
● 2026-05-08 21:45:42
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-08 · 2 obs
● 2026-05-08 21:45:42
●MXmail.coretech.io.vn2026-05-01 → 2026-05-08 · 2 obs
● 2026-05-08 21:45:42
●A42.96.17.1952026-05-01 → 2026-05-08 · 2 obs
● 2026-05-08 21:45:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | f.dns-servers.vn, h.dns-servers.vn, b.dns-servers.vn, g.dns-servers.vn... | - |
| coretech.io.vn | ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coretech.io.vn (unsigned zone)
⏱️ Timing
Total: 2198ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.96.17.195 |
| NS | 3 | ns1.pavietnam.vn, ns2.pavietnam.vn... |
| MX | 1 | mail.coretech.io.vn (pri: 10) |
| TXT | 2 | v=spf1 a mx ip4:144.91.87.102 ~all, v=spf1 ip4:46.250.238.133 include:_spf.g |
| SOA | 1 | ns3.hostcheap.io.vn hostmaster.coretech. |
Analysis
Hierarchy
coretech.io.vn is a parent of www.coretech.io.vn, s1.coretech.io.vn, ktv.coretech.io.vn and mail.coretech.io.vn.
IP Addresses
coretech.io.vn points to a single IP number: 42.96.17.195.
Other host names, for instance www.workmail.io.vn, www.corefintech.io.vn, s1.coretech.io.vn, module.erpcloud.io.vn and ktv.coretech.io.vn share IP numbers with coretech.io.vn.
Name Servers
coretech.io.vn is delegated to four name servers: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn and ns3.hostcheap.io.vn.
coretech.io.vn shares name servers with other domains at least partially, for instance ivodin.com, phongthuyduongthanhlong.vn, kinhtehoc.vn, stravel.vn and primemedicalcenter.vn.
these name servers are often used with ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com.
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
The mail server for coretech.io.vn is mail.coretech.io.vn.
Host name mail.coretech.io.vn resolves to IP 144.91.87.102.