cothu.net - robtex.com
cothu.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 14.225.253.165🇻🇳 VNPT-AS-VN14.225.253.0/24 VNPT | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | nsbak.pavietnam.nethostmaster@cothu.net 2026-05-17 #4 | ||||||
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=1783660152 | ||||||
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSjake.ns.cloudflare.com2015-07-19 → 2015-12-03 · 4 obs
● 2015-12-03 11:01:46
○ 2016-03-06 06:02:30
○ 2026-07-10 05:24:50
●NSns1.pavietnam.vn2017-07-24 → 2026-07-10 · 3 obs
● 2017-07-24 12:48:32
● 2026-07-10 05:24:50
●NSns2.pavietnam.vn2017-07-24 → 2026-07-10 · 3 obs
● 2017-07-24 12:48:32
● 2026-07-10 05:24:50
●NSnsbak.pavietnam.net2017-07-24 → 2026-07-10 · 3 obs
● 2017-07-24 12:48:32
● 2026-07-10 05:24:50
○NSsara.ns.cloudflare.com2015-09-10 → 2015-12-03 · 5 obs
● 2015-09-10 04:26:08
● 2015-12-03 11:01:46
○ 2016-03-06 06:02:30
○ 2026-07-10 05:24:50
○MXmr.pavietnam.vn2017-07-24 → 2017-07-24 · 3 obs
○ 2026-05-18 10:06:34
○ 2026-07-10 05:24:50
○A103.234.39.882015-12-03 → 2015-12-03 · 4 obs
● 2015-12-03 11:01:46
○ 2016-03-06 06:02:30
○ 2026-07-10 05:24:50
○A112.78.9.1192015-07-19 → 2015-10-24 · 4 obs
● 2015-10-24 17:44:14
○ 2015-12-03 11:01:46
○ 2026-07-10 05:24:50
○A123.31.19.722017-07-24 → 2017-07-24 · 4 obs
● 2017-07-24 12:48:32
○ 2026-05-18 10:06:34
○ 2026-07-10 05:24:50
●A14.225.253.1652026-05-18 → 2026-07-10 · 3 obs
● 2026-05-18 10:06:34
● 2026-07-10 05:24:50
○A78.24.190.62015-07-19 → 2015-07-19 · 3 obs
○ 2015-09-10 04:26:08
○ 2026-07-10 05:24:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | b.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net... | - |
| cothu.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 cothu.net (unsigned zone)
⏱️ Timing
Total: 1555ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 14.225.253.165 |
| NS | 3 | ns2.pavietnam.vn, nsbak.pavietnam.net... |
| SOA | 1 | nsbak.pavietnam.net hostmaster.cothu.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (nsbak.pavietnam.net, nsbak.pavietnam.net)
Analysis
IP Addresses
cothu.net directs to one IP number, which is 14.225.253.165.
Name Servers
Three name servers are authoritative for cothu.net: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
At least some of cothu.net's name servers are shared with other domains, for example kitchenproplus.vn, mayintoannhan.com, california.vn and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com.
nsbak.pavietnam.net resolves to 112.213.89.22 and 2406:9c80::9000:302. ns1.pavietnam.vn resolves to 112.213.89.3 and 2406:9c80::66. ns2.pavietnam.vn resolves to 222.255.121.247 and 2406:9c80::9000:111. All three hostnames point to two IP numbers each.