r2map.com - dns.ninja
r2map.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.198.106🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2896.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 | r2map.com ⭐ | ||||||
| A | 49.212.198.106🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www2896.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www2896.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-01-11 #10 | ||||||
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=1780988216 | ||||||
MX for
r2map.com |
Same first word
r2map.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXr2map.com2017-10-12 → 2026-06-09 · 2 obs
● 2026-06-09 07:02:50
●A49.212.198.1062017-10-12 → 2026-06-09 · 2 obs
● 2026-06-09 07:02:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net... | - |
| r2map.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for r2map.com (unsigned zone)
⏱️ Timing
Total: 1494ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.198.106 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | r2map.com (pri: 10) |
| TXT | 1 | v=spf1 a:www2896.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The MX record for r2map.com points back to r2map.com — it is its own mail server.
IP Addresses
r2map.com directs to one IP number, which is 49.212.198.106.
Among the host names that share IP numbers with r2map.com are gakkaiweb.com, iin-kaigyo.sakura.ne.jp, adotworks.sakura.ne.jp and two others.
Name Servers
r2map.com is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
r2map.com partially shares its NS delegation with several other domains, including deltasystem.org, gachinko.tv, with.sakura.ne.jp and two others.
master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.
Mail Servers
The MX record for r2map.com points to a single mail server: r2map.com.
r2map.com resolves to 49.212.198.106 and no other IP number.