congtyhoachat.net - robtex.com
congtyhoachat.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.210.209.199🇻🇳 VTN-1203.210.208.0/20 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| NS | ns1.dotvndns.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 | 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.congtyhoachat.net ⭐ | ||||||
| A | 14.161.45.246🇻🇳 VTN-114.161.40.0/21 VNPT-Net | ||||||
| PTR | static.vnpt.vn | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.dotvndns.vnhostmaster@congtyhoachat.net 2021-02-23 #7 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778515516 | ||||||
Subdomains
mail.congtyhoachat.net |
Same first word
congtyhoachat.vn |
congtyhoachat.com.vn |
congtyhoachat.net |
DNS History
12 records (6 active, 6 former)
●NSns1.dotvndns.vn2026-05-01 → 2026-05-11 · 3 obs
● 2026-05-01 15:59:24
● 2026-05-11 16:28:00
○NSns1.namebrightdns.com2015-05-27 → 2015-10-23 · 4 obs
● 2015-10-23 20:48:18
○ 2016-01-02 22:31:48
○ 2026-05-11 16:28:00
●NSns1.pavietnam.vn2026-05-01 → 2026-05-11 · 3 obs
● 2026-05-01 15:59:24
● 2026-05-11 16:28:00
○NSns2.namebrightdns.com2015-05-27 → 2015-10-23 · 4 obs
● 2015-10-23 20:48:18
○ 2016-01-02 22:31:48
○ 2026-05-11 16:28:00
●NSns2.pavietnam.vn2026-05-01 → 2026-05-11 · 3 obs
● 2026-05-01 15:59:24
● 2026-05-11 16:28:00
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-11 · 3 obs
● 2026-05-01 15:59:24
● 2026-05-11 16:28:00
○NSnsg1.namebrightdns.com2015-10-23 → 2015-10-23 · 4 obs
● 2015-10-23 20:48:18
○ 2016-01-02 22:31:48
○ 2026-05-11 16:28:00
●MXmail.congtyhoachat.net2026-05-01 → 2026-05-11 · 3 obs
● 2026-05-01 15:59:24
● 2026-05-11 16:28:00
○MXmail1.namebrightmail.com2015-05-27 → 2015-10-23 · 4 obs
● 2015-10-23 20:48:18
○ 2016-01-02 22:31:48
○ 2026-05-11 16:28:00
○MXmail2.namebrightmail.com2015-05-27 → 2015-10-23 · 4 obs
● 2015-10-23 20:48:18
○ 2016-01-02 22:31:48
○ 2026-05-11 16:28:00
●A203.210.209.1992026-05-01 → 2026-05-11 · 3 obs
● 2026-05-01 15:59:24
● 2026-05-11 16:28:00
○A54.175.122.202015-05-27 → 2015-10-23 · 4 obs
● 2015-10-23 20:48:18
○ 2016-01-02 22:31:48
○ 2026-05-11 16:28:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| congtyhoachat.net | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | 2 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for congtyhoachat.net (unsigned zone)
⏱️ Timing
Total: 622ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.210.209.199 |
| NS | 3 | nsbak.pavietnam.net, ns1.pavietnam.vn... |
| MX | 1 | mail.congtyhoachat.net (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.dotvndns.vn hostmaster.congtyhoachat |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (nsbak.pavietnam.net, nsbak.pavietnam.net)
Analysis
Hierarchy
congtyhoachat.net is the parent of mail.congtyhoachat.net.
IP Addresses
congtyhoachat.net resolves to one IP number: 203.210.209.199.
other host names including cungcaphoachat.com.vn, www.muabanhoachat.com.vn, www.kimphuong.com, hoachatxulynuoc.com.vn and hoachatxulynuoc.com share IP numbers with congtyhoachat.net.
Name Servers
congtyhoachat.net is delegated to four name servers: nsbak.pavietnam.net, ns1.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.
congtyhoachat.net at least partially shares name servers with other domains, for instance thiena.vn, lyson.vn, khanhvantv.com, thegioiloc.com.vn and vogel.vn.
These name servers are commonly used with 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.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3
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
Names pointing to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn
Names pointing to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn
Note: ns1.dotvndns.vn and ns1.pavietnam.vn both point to 2406:9c80::66 and 112.213.89.3
Mail Servers
congtyhoachat.net is handled by a single mail server, mail.congtyhoachat.net.
mail.congtyhoachat.net resolves to IP 14.161.45.246.