cau.vn - robtex.com
cau.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.119.84.172🇻🇳 LVSS-AS-VN45.119.84.0/24 LVSS-VN | ||||||
| PTR | cp-apac08.hvn.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.cau.vn ⭐ | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.pavietnam.vnhostmaster@cau.vn 2022-11-06 #4 | ||||||
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=2030750678 | ||||||
Subdomains
mail.cau.vn |
www.cau.vn |
cpanel.cau.vn |
webdisk.cau.vn |
cpcontacts.cau.vn |
webmail.cau.vn |
autodiscover.cau.vn |
cpcalendars.cau.vn |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSns-master.inet.vn2017-03-27 → 2018-04-25 · 4 obs
● 2018-04-25 22:57:42
○ 2026-05-01 08:32:34
○ 2026-05-09 04:27:28
○NSns1.inet.vn2017-03-27 → 2018-04-25 · 4 obs
● 2018-04-25 22:57:42
○ 2026-05-01 08:32:34
○ 2026-05-09 04:27:28
●NSns1.pavietnam.vn2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:32:34
● 2026-05-09 04:27:28
○NSns2.inet.vn2017-03-27 → 2018-04-25 · 4 obs
● 2018-04-25 22:57:42
○ 2026-05-01 08:32:34
○ 2026-05-09 04:27:28
●NSns2.pavietnam.vn2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:32:34
● 2026-05-09 04:27:28
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:32:34
● 2026-05-09 04:27:28
●MXmail.cau.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 04:27:28
○A123.30.50.1112017-03-27 → 2018-04-25 · 4 obs
● 2018-04-25 22:57:42
○ 2026-05-01 08:32:34
○ 2026-05-09 04:27:28
●A45.119.84.1722026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 08:32:34
● 2026-05-09 04:27:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| cau.vn | ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cau.vn (unsigned zone)
⏱️ Timing
Total: 1286ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.119.84.172 |
| NS | 3 | ns2.pavietnam.vn, nsbak.pavietnam.net... |
| MX | 1 | mail.cau.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.pavietnam.vn hostmaster.cau.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)
Analysis
Hierarchy
cau.vn is a parent of mail.cau.vn, www.cau.vn, cpanel.cau.vn, webdisk.cau.vn, cpcontacts.cau.vn and several other host names.
IP Addresses
cau.vn points to a single IP number: 45.119.84.172.
other host names for instance dig.vn, mpd.vn, webdisk.eq.edu.vn, bpa.vn and dht.vn share IP numbers with cau.vn.
Name Servers
cau.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
cau.vn at least partially shares name servers with other domains, for instance luongkhoquandoi.vn, solarpump.vn, ipn.com.vn, kingphar.vn and intritue.vn.
These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.
Host names with two IP numbers:
Host nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22.
Host ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3.
Host ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247.