rt-w.com - robtex.com
rt-w.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.181.99.80🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www360.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | rt-w.com ⭐ | ||||||
| A | 202.181.99.80🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www360.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www360.sakura.ne.jp mx ~all | ||||||
| TXT | google-site-verification=nOVJzFcLCGBDjzFplQAadFuge0J-LbVxjiwtVQGA4y0 | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-12-18 #1 | ||||||
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=1776251812 | ||||||
MX for
rt-w.com |
Same first word
rt-w.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXrt-w.com2015-08-20 → 2026-04-15 · 2 obs
● 2026-04-15 11:36:58
●A202.181.99.802015-08-20 → 2026-04-15 · 2 obs
● 2026-04-15 11:36:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rt-w.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rt-w.com (unsigned zone)
⏱️ Timing
Total: 526ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.181.99.80 |
| NS | 2 | ns2.dns.ne.jp, ns1.dns.ne.jp |
| MX | 1 | rt-w.com (pri: 10) |
| TXT | 2 | v=spf1 a:www360.sakura.ne.jp mx ~all, google-site-verification=nOVJzFcLCGBDjzF |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
rt-w.com serves as the mail server for rt-w.com.
IP Addresses
rt-w.com points to a single IP number: 202.181.99.80.
Other host names, for instance kieken.sakura.ne.jp, ayumihoikuen.jp, symp.co.jp, acchi.org and chion.info share IP numbers with rt-w.com.
Name Servers
The delegation for rt-w.com is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
rt-w.com at least partially shares name servers with other domains, for instance ireba-ito.com, muraka-wa.com, sonodaturigu.sakura.ne.jp, 240ds.sakura.ne.jp and megane-market2.com.
These name servers are commonly used with dns.sakura.ad.jp and ns1.value-domain.com.
Host names with one IP number:
master.dns.ne.jp points to 210.224.172.18.
ns1.dns.ne.jp points to 61.211.236.1.
ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
A single mail server handles rt-w.com.
rt-w.com points to a single IP: 202.181.99.80.