s21.online - robtex.com
s21.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| 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 | ||||||
| SOA | ns1.pavietnam.vnhostmaster@s21.online 2025-11-01 #2 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1778366310 | ||||||
Same first word
s21.com.br |
s21.com.au |
s21.in |
s21.us |
s21.com.cn |
s21.online |
s21.cz |
s21.dk |
s21.es |
s21.it |
s21.me |
s21.de |
s21.eu |
s21.cc |
s21.mobi |
s21.co.jp |
s21.net |
s21.info |
s21.pl |
s21.ru |
s21.com.gt |
s21.gt |
s21.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.pavietnam.vn2026-05-06 → 2026-05-09 · 2 obs
● 2026-05-09 22:45:22
●NSns2.pavietnam.vn2026-05-06 → 2026-05-09 · 2 obs
● 2026-05-09 22:45:22
●NSnsbak.pavietnam.net2026-05-06 → 2026-05-09 · 2 obs
● 2026-05-09 22:45:22
●A216.198.79.12026-05-06 → 2026-05-09 · 2 obs
● 2026-05-09 22:45:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| s21.online | ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net | - |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for s21.online (unsigned zone)
⏱️ Timing
Total: 772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 3 | ns1.pavietnam.vn, ns2.pavietnam.vn... |
| SOA | 1 | ns1.pavietnam.vn hostmaster.s21.online |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)
Analysis
IP Addresses
s21.online points to a single IP: 216.198.79.1.
Other host names, for instance pogonsolana.com, anta.ae, puribahasa.com, m5max.com and richarddillman.com share IP numbers with s21.online.
Name Servers
s21.online is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
s21.online partially shares name servers with other domains; examples include oilsnfats.com, atomi.vn, vceo.edu.vn, nongtraiviet.com.vn and vief.vn.
These name servers are commonly 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.