cotuc.vn - robtex.com
cotuc.vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a09:8280:1::f:2288🇺🇸 FLYIO-12a09:8280:1::/48 Proxy Registration / Customer Route | ||||||
| PTR | ipv6.customer.flyio.net | ||||||
| A | 66.241.124.79🇺🇸 FLYIO-166.241.124.0/23 Fly.io Edge Network | ||||||
| NS | dnssec1.pavietnam.vn ⭐ | ||||||
| A | 2406:9c80::9000:202🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| A | 112.213.82.186🇻🇳 SUPERDATA112.213.82.0/24 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 | dnssec1.dotvndns.vn | ||||||
| NS | dnssec2.pavietnam.vn | ||||||
| A | 2406:9c80::9000:d202🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| A | 222.255.121.214🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | dnssec2.dotvndns.vn | ||||||
| NS | dnssecbak.pavietnam.net | ||||||
| A | 2406:9c80::9000:d203🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| A | 203.162.78.50🇻🇳 VDC203.162.78.0/24 VNPT | ||||||
| PTR | ci78-50.netnam.vn | ||||||
| TXT | google-site-verification=3QuuBjH_b7rH1_M5FG2BZkzm2NVTRRbGMQLOeO7uWWk | ||||||
| SOA | dnssec1.pavietnam.vnhostmaster@cotuc.vn 2026-05-07 #7 | ||||||
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=2030752027 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdnssec1.pavietnam.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 17:10:14
●NSdnssec2.pavietnam.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 17:10:14
●NSdnssecbak.pavietnam.net2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 17:10:14
●A2a09:8280:1::f:22882026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 17:10:14
●A66.241.124.792026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 17:10:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| cotuc.vn | dnssec1.pavietnam.vn, dnssec2.pavietnam.vn, dnssecbak.pavietnam.net | - |
✅ Authoritative Response
Server:112.213.82.186
NS records: dnssec1.pavietnam.vn, dnssec2.pavietnam.vn, dnssecbak.pavietnam.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2710ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.241.124.79 |
| AAAA | 1 | 2a09:8280:1::f:2288 |
| NS | 3 | dnssec2.pavietnam.vn, dnssec1.pavietnam.vn... |
| TXT | 1 | google-site-verification=3QuuBjH_b7rH1_M |
| SOA | 1 | dnssec1.pavietnam.vn hostmaster.cotuc.vn |
Analysis
IP Addresses
cotuc.vn points to two IP numbers: 2a09:8280:1::f:2288 and 66.241.124.79.
Other host names such as api-datasets.svit.one, lenitec.pt and weighteddown.co.uk share IP numbers with cotuc.vn.
Name Servers
The delegation for cotuc.vn is handled by three name servers: dnssecbak.pavietnam.net, dnssec1.pavietnam.vn and dnssec2.pavietnam.vn.
cotuc.vn at least partially shares name servers with other domains, for instance csa.vn, phela.vn, vsa.org.vn, rikisport.vn and fimostore.vn.
these name servers are commonly used with nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
Two IP numbers per host:
dnssecbak.pavietnam.net points to 2406:9c80::9000:d203 and 203.162.78.50.
dnssec1.pavietnam.vn points to 2406:9c80::9000:202 and 112.213.82.186.
dnssec2.pavietnam.vn points to 2406:9c80::9000:d202 and 222.255.121.214.