ryoyu-jp.com - robtex.com
ryoyu-jp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.77.162.45🇻🇳 SUPERDATA103.77.162.0/24 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 | trenton.maychu.cloud | ||||||
| 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 | ||||||
| MX | mail.ryoyu-jp.com ⭐ | ||||||
| A | 103.77.162.45🇻🇳 SUPERDATA103.77.162.0/24 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 | trenton.maychu.cloud | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | nsbak.pavietnam.nethostmaster@ryoyu-jp.com 2025-08-23 #3 | ||||||
com
| 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=1778353081 | ||||||
Subdomains
mail.ryoyu-jp.com |
Same first word
ryoyu-jp.com |
DNS History
8 records (5 active, 3 former)
○NSns1.dotvndns.vn2020-04-07 → 2020-04-07 · 3 obs
○ 2026-03-03 01:59:16
○ 2026-05-09 19:24:28
●NSns1.pavietnam.vn2026-03-03 → 2026-05-09 · 3 obs
● 2026-03-03 01:59:16
● 2026-05-09 19:24:28
○NSns2.dotvndns.vn2020-04-07 → 2020-04-07 · 3 obs
○ 2026-03-03 01:59:16
○ 2026-05-09 19:24:28
●NSns2.pavietnam.vn2026-03-03 → 2026-05-09 · 3 obs
● 2026-03-03 01:59:16
● 2026-05-09 19:24:28
●NSnsbak.pavietnam.net2026-03-03 → 2026-05-09 · 3 obs
● 2026-03-03 01:59:16
● 2026-05-09 19:24:28
●MXmail.ryoyu-jp.com2020-04-07 → 2026-05-09 · 2 obs
● 2026-05-09 19:24:28
●A103.77.162.452026-03-03 → 2026-05-09 · 3 obs
● 2026-03-03 01:59:16
● 2026-05-09 19:24:28
○A112.213.89.1432020-04-07 → 2020-04-07 · 3 obs
○ 2026-03-03 01:59:16
○ 2026-05-09 19:24:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net... | - |
| ryoyu-jp.com | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | - |
✅ 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 ryoyu-jp.com (unsigned zone)
⏱️ Timing
Total: 2273ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.77.162.45 |
| NS | 3 | ns2.pavietnam.vn, ns1.pavietnam.vn... |
| MX | 1 | mail.ryoyu-jp.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | nsbak.pavietnam.net hostmaster.ryoyu-jp. |
Analysis
Hierarchy
ryoyu-jp.com is the parent of mail.ryoyu-jp.com.
IP Addresses
ryoyu-jp.com resolves to one IP number: 103.77.162.45.
other host names including mail.anhemband.com, okleshop.com, sonhungphohue.com, afcgroup.vn and icc.iuh.edu.vn share IP numbers with ryoyu-jp.com.
Name Servers
ryoyu-jp.com is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
ryoyu-jp.com at least partially shares name servers with other domains, for instance honglinhco.vn, afcaudit.vn, suabotdinhduong.net, maioi.com and auraclub.vn.
these name servers are often used together with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and nsbak.pavietnam.vn.
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.
Mail Servers
ryoyu-jp.com is handled by a single mail server, mail.ryoyu-jp.com.
mail.ryoyu-jp.com resolves to IP 103.77.162.45.